/* ============================================================
   Hardware Shortage Intelligence — 4R Consultancy
   Design Language: Matches 4R Consultancy brand exactly
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #0f5abc;
  --color-dell-blue: #008cb7;
  --color-graphite-900: #292d32;
  --color-graphite-700: #32383d;
  --color-graphite-500: #5e666d;
  --color-graphite-100: #f8f9fa;
  --color-white: #ffffff;
  --color-accent: #e8f0fe;
  --color-danger: #dc3545;
  --color-warning: #f59e0b;
  --color-success: #10b981;

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --shadow-custom: 0 4px 24px rgba(15, 90, 188, 0.08), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 40px rgba(15, 90, 188, 0.14), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.06);

  --radius-lg: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-graphite-700);
  background: var(--color-white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-dell-blue);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-graphite-900);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin-bottom: 1rem;
}

.text-muted {
  color: var(--color-graphite-500);
}

.text-white {
  color: var(--color-white);
}

.text-center {
  text-align: center;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  overflow-x: hidden;
}

.section-alt {
  background: var(--color-graphite-100);
}

.section-dark {
  background: var(--color-graphite-900);
  color: var(--color-white);
}

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

.section-dark p {
  color: rgba(255,255,255,0.85);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-header .overline {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-dell-blue);
  margin-bottom: 0.75rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-graphite-500);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow var(--transition), background var(--transition);
}

.nav.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-graphite-900);
}

.nav-brand .brand-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-dell-blue));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

/* --- Nav Dropdown --- */
.nav-dropdown {
  position: relative;
}

/* --- Mega Menu (click-based) --- */
.nav-drop-trigger {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-graphite-700);
  padding: 0.5rem 0;
  transition: color var(--transition);
}

.nav-drop-trigger:hover {
  color: var(--color-primary);
}

.nav-arrow {
  transition: transform 0.25s ease;
  opacity: 0.5;
}

.nav-dropdown.open .nav-arrow {
  transform: rotate(180deg);
  opacity: 0.9;
}

.mega-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 320px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 48px rgba(0,0,0,0.15), 0 4px 12px rgba(0,0,0,0.08);
  border: 1px solid rgba(0,0,0,0.06);
  padding: 0.75rem;
  z-index: 1001;
  opacity: 0;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-dropdown.open .mega-panel {
  display: block;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.mega-grid {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mega-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--color-graphite-700);
  transition: background 0.15s, color 0.15s;
}

.mega-item:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.mega-icon {
  font-size: 1.3rem;
  width: 2rem;
  text-align: center;
  flex-shrink: 0;
}

.mega-title {
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.3;
}

.mega-desc {
  font-size: 0.78rem;
  opacity: 0.6;
  margin-top: 0.15rem;
  line-height: 1.3;
}

/* --- Old dropdown styles (keep for fallback) --- */
.nav-drop-menu {
  display: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-graphite-700);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-white) !important;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--color-dell-blue);
  color: var(--color-white) !important;
  transform: translateY(-1px);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-graphite-900);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f5abc 0%, #008cb7 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--color-white), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 4rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: #f59e0b;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

.hero p {
  color: rgba(255,255,255,0.9);
  font-size: 1.2rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.2);
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  margin-top: 0.35rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: #0d4fa8;
  border-color: #0d4fa8;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15,90,188,0.3);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-white:hover {
  background: var(--color-graphite-100);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-custom);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  background: var(--color-accent);
  color: var(--color-primary);
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--color-graphite-500);
  font-size: 0.95rem;
  margin-bottom: 0;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* --- Crisis Stats --- */
.crisis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.crisis-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-custom);
  border-left: 4px solid var(--color-primary);
  transition: transform var(--transition), box-shadow var(--transition);
}

.crisis-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.crisis-card.warning {
  border-left-color: var(--color-warning);
}

.crisis-card.danger {
  border-left-color: var(--color-danger);
}

.crisis-card .crisis-stat {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-graphite-900);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.crisis-card .crisis-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-graphite-700);
  margin-bottom: 0.35rem;
}

.crisis-card .crisis-detail {
  font-size: 0.85rem;
  color: var(--color-graphite-500);
}

/* --- Impact Section --- */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.impact-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-custom);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.impact-card .impact-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

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

.impact-card ul {
  list-style: none;
  margin-top: 1rem;
}

.impact-card ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-graphite-700);
}

.impact-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

/* --- Solutions Section --- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.solution-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-custom);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

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

.solution-card .solution-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.solution-card h3 {
  margin-bottom: 0.75rem;
  padding-right: 2.5rem;
}

.solution-card p {
  color: var(--color-graphite-500);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.solution-card .deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.solution-card .deliverable-tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
}

/* --- Timeline / Roadmap --- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-dell-blue));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 45%;
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-custom);
  margin-bottom: 2rem;
}

.timeline-item:nth-child(odd) {
  margin-left: 0;
}

.timeline-item:nth-child(even) {
  margin-left: 55%;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 2rem;
  width: 14px;
  height: 14px;
  background: var(--color-primary);
  border: 3px solid var(--color-white);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--color-primary);
}

.timeline-item:nth-child(odd)::before {
  right: -8%;
}

.timeline-item:nth-child(even)::before {
  left: -8%;
}

.timeline-phase {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-dell-blue);
  margin-bottom: 0.5rem;
}

.timeline-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.timeline-item p {
  font-size: 0.9rem;
  color: var(--color-graphite-500);
  margin-bottom: 0;
}

/* --- Positioning / Trust --- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.trust-card {
  text-align: center;
  padding: 2.5rem 2rem;
}

.trust-card .trust-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-dell-blue));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
}

.trust-card h3 {
  margin-bottom: 0.75rem;
}

.trust-card p {
  color: var(--color-graphite-500);
  font-size: 0.95rem;
}

/* --- Contact Section --- */
.contact-section {
  background: linear-gradient(135deg, #0f5abc 0%, #008cb7 100%);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.contact-inner h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.contact-inner p {
  color: rgba(255,255,255,0.85);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.contact-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-info {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.2);
}

.contact-info p {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.contact-info a {
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

.contact-info a:hover {
  color: var(--color-white);
}

/* --- Footer --- */
.footer {
  background: var(--color-graphite-900);
  color: rgba(255,255,255,0.6);
  padding: 3rem 0 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-white);
  font-size: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-copy {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
}

/* --- Animations --- */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.animate-in.delay-1 { transition-delay: 0.1s; }
.animate-in.delay-2 { transition-delay: 0.2s; }
.animate-in.delay-3 { transition-delay: 0.3s; }
.animate-in.delay-4 { transition-delay: 0.4s; }
.animate-in.delay-5 { transition-delay: 0.5s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline::before {
    left: 2rem;
  }

  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 4rem;
  }

  .timeline-item::before,
  .timeline-item:nth-child(odd)::before,
  .timeline-item:nth-child(even)::before {
    left: -2.8rem;
    right: auto;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    gap: 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links > li {
    border-bottom: 1px solid rgba(0,0,0,0.05);
  }

  .nav-links > li:last-child {
    border-bottom: none;
  }

  .nav-links > li > a {
    display: block;
    padding: 0.75rem 0;
  }

  .nav-dropdown .nav-drop-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0 1rem;
    display: none;
  }

  .nav-dropdown.open .nav-drop-menu {
    display: block;
  }

  .nav-drop-menu li a {
    padding: 0.4rem 0;
    font-size: 0.85rem;
  }

  .nav-mobile-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 8rem 0 5rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    text-align: center;
    justify-content: center;
  }

  .crisis-grid,
  .impact-grid,
  .solutions-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    margin-left: 2.5rem;
  }

  .timeline::before {
    left: 0.75rem;
  }

  .timeline-item::before,
  .timeline-item:nth-child(odd)::before,
  .timeline-item:nth-child(even)::before {
    left: -2rem;
  }

  .chart-grid {
    grid-template-columns: 1fr !important;
  }
  .chart-grid-3 {
    grid-template-columns: 1fr !important;
  }
  .chart-card {
    padding: 1rem;
    overflow: hidden;
  }
  .chart-cat-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .price-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -1.5rem;
    padding: 0 1.5rem;
  }
  .price-table {
    min-width: 700px;
  }
  .alerts-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  .alert-item {
    min-width: 0;
    max-width: 100%;
  }
  .alerts-slider-track .alert-item {
    min-width: 260px;
    max-width: 280px;
  }
}

/* --- News Page --- */
.news-hero {
  background: linear-gradient(135deg, #0f5abc 0%, #008cb7 100%);
  padding: 8rem 0 4rem;
  text-align: center;
}

.news-hero h1 {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.news-hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.news-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-custom);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.news-card-body {
  padding: 1.75rem;
}

.news-card-meta {
  font-size: 0.8rem;
  color: var(--color-dell-blue);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.news-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.news-card p {
  font-size: 0.9rem;
  color: var(--color-graphite-500);
}

.news-card a.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 0.75rem;
}

.news-card a.read-more:hover {
  gap: 0.5rem;
}

.news-placeholder {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-graphite-500);
}

.news-placeholder p {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.news-categories {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2rem;
}

.news-category {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  transition: background var(--transition);
}

.news-category:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* --- Source Tag --- */
.source-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-graphite-500);
  background: var(--color-graphite-100);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-top: 0.75rem;
}

/* --- Footnote Superscripts --- */
sup.fn {
  font-size: 0.6em;
  line-height: 0;
  vertical-align: super;
  font-weight: 600;
}
sup.fn a {
  color: var(--color-primary);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s;
}
sup.fn a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* --- Sources Section --- */
.sources-section {
  padding-bottom: 3rem;
}
.sources-list {
  list-style: none;
  counter-reset: src;
  padding: 0;
  max-width: 900px;
  margin: 0 auto;
}
.sources-list li {
  counter-increment: src;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-size: 0.82rem;
  line-height: 1.5;
}
.sources-list li::before {
  content: counter(src) ".";
  font-weight: 700;
  color: var(--color-primary);
  min-width: 1.5rem;
  flex-shrink: 0;
}
.src-claim {
  font-weight: 600;
  color: var(--color-graphite-800);
}
.src-ref {
  color: var(--color-graphite-500);
  font-size: 0.78rem;
}
.sources-list li a {
  font-size: 0.72rem;
  color: var(--color-primary);
  font-weight: 500;
  opacity: 0.7;
  transition: opacity 0.2s;
  flex-shrink: 0;
}
.sources-list li a:hover {
  opacity: 1;
}

/* === WHAT CHANGED TODAY (ALERTS BAR) === */
.alerts-bar {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  padding: 1.5rem 0;
}
.alerts-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.alerts-header h3 {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}
.alerts-date {
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  margin-left: auto;
}
.alerts-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.6); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}
.alerts-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.alert-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border-left: 3px solid transparent;
  transition: background 0.2s;
}
.alert-item:hover {
  background: rgba(255,255,255,0.07);
}
.alert-critical { border-left-color: #ef4444; }
.alert-warning { border-left-color: #f59e0b; }
.alert-info { border-left-color: #3b82f6; }
.alert-badge {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  flex-shrink: 0;
  min-width: 60px;
  text-align: center;
}
.alert-critical .alert-badge { background: rgba(239,68,68,0.2); color: #fca5a5; }
.alert-warning .alert-badge { background: rgba(245,158,11,0.2); color: #fcd34d; }
.alert-info .alert-badge { background: rgba(59,130,246,0.2); color: #93c5fd; }
.alert-text {
  color: rgba(255,255,255,0.9);
  font-size: 0.85rem;
  flex: 1;
}
.alert-source {
  font-size: 0.7rem;
  flex-shrink: 0;
}
.alert-source a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
}
.alert-source a:hover { color: rgba(255,255,255,0.7); }

/* === SUPPLY STATUS HEATMAP === */
.heatmap-legend {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--color-graphite-600);
}
.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}
.status-normal { background: #22c55e; }
.status-watch { background: #eab308; }
.status-constrained { background: #f97316; }
.status-allocated { background: #ef4444; }
.heatmap-grid {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.heatmap-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-graphite-500);
  padding: 0.75rem 0 0.25rem;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.heatmap-category:first-child { border-top: none; padding-top: 0; }
.heatmap-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}
@media (max-width: 900px) {
  .heatmap-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .heatmap-row { grid-template-columns: 1fr; }
}
.heatmap-cell {
  padding: 0.75rem;
  border-radius: 8px;
  border-left: 4px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s;
}
.heatmap-cell:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.heatmap-cell.status-normal {
  background: rgba(34,197,94,0.08);
  border-left-color: #22c55e;
}
.heatmap-cell.status-watch {
  background: rgba(234,179,8,0.08);
  border-left-color: #eab308;
}
.heatmap-cell.status-constrained {
  background: rgba(249,115,22,0.08);
  border-left-color: #f97316;
}
.heatmap-cell.status-allocated {
  background: rgba(239,68,68,0.08);
  border-left-color: #ef4444;
}
.cell-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-graphite-800);
  margin-bottom: 0.2rem;
}
.cell-detail {
  font-size: 0.72rem;
  color: var(--color-graphite-500);
}

/* === PRICE / LEAD-TIME TABLE === */
.price-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.price-table thead th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-graphite-500);
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--color-graphite-200);
  white-space: nowrap;
}
.price-table tbody tr {
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: background 0.15s;
}
.price-table tbody tr:hover {
  background: rgba(15,90,188,0.03);
}
.price-table td {
  padding: 0.65rem 1rem;
  vertical-align: middle;
  white-space: nowrap;
}
.comp-name {
  font-weight: 600;
  color: var(--color-graphite-800);
}
.change-up { color: #ef4444; font-weight: 600; }
.change-down { color: #22c55e; font-weight: 600; }
.change-neutral { color: var(--color-graphite-400); }
.lt-critical {
  color: #ef4444;
  font-weight: 600;
  position: relative;
  padding-left: 1.2rem !important;
}
.lt-critical::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
}
.lt-warning {
  color: #f59e0b;
  font-weight: 600;
  position: relative;
  padding-left: 1.2rem !important;
}
.lt-warning::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f59e0b;
}
.lt-normal {
  color: #22c55e;
  font-weight: 600;
  position: relative;
  padding-left: 1.2rem !important;
}
.lt-normal::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
}
.trend-arrow {
  font-size: 1.2rem;
  font-weight: 700;
}
.trend-up { color: #ef4444; }
.trend-down { color: #22c55e; }
.trend-flat { color: var(--color-graphite-400); }
.outlook-bad { color: #ef4444; font-size: 0.8rem; }
.outlook-warn { color: #f59e0b; font-size: 0.8rem; }
.outlook-ok { color: #22c55e; font-size: 0.8rem; }
.price-footnote {
  font-size: 0.72rem;
  color: var(--color-graphite-400);
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.price-footnote a {
  color: var(--color-primary);
  text-decoration: none;
}
.price-footnote a:hover { text-decoration: underline; }

/* === NAV UPDATES (add new links) === */
.nav-links a[href="#heatmap"],
.nav-links a[href="#prices"] {
  /* inherits existing nav link styles */
}

/* === OVERLINE TEAL === */
.overline-teal {
  color: #5eead4;
}

/* === HERO STAT NUMBER === */
.hero-stat .number {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
}

/* ============================================================
   SUPPLY EVIDENCE LEDGER  (section #evidence, added 2026-09-14
   per t_1078b1be / operator Option A). Renders data/platform-data.json.
   Light section-alt to alternate with the dark sections around it.
   ============================================================ */

.evidence-stats {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.evidence-stat {
  flex: 0 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 1.25rem 1.75rem;
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--color-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 230px;
}

.evidence-stat-num {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.evidence-stat-label {
  font-size: 0.9rem;
  color: var(--color-graphite-500);
  margin-top: 0.4rem;
}

.evidence-cats {
  flex: 1 1 320px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.6rem;
  align-content: center;
}

.ev-cat-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border-left: 3px solid transparent;
  box-shadow: var(--shadow-card);
  padding: 0.55rem 0.8rem;
  font-size: 0.85rem;
  color: var(--color-graphite-700);
}

.ev-cat-chip i {
  width: 10px; height: 10px; border-radius: 50%;
  flex: 0 0 auto;
}

.ev-cat-name { font-weight: 600; flex: 1 1 auto; }

.ev-cat-count {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-graphite-900);
}

.evidence-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.evidence-search {
  flex: 1 1 260px;
  min-width: 220px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.7rem 1rem;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  color: var(--color-graphite-900);
  box-shadow: var(--shadow-card);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.evidence-search:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15,90,188,0.15);
}

.evidence-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  flex: 1 1 auto;
}

.ev-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-full);
  background: var(--color-white);
  color: var(--color-graphite-700);
  cursor: pointer;
  transition: all var(--transition);
}

.ev-filter-btn i {
  width: 9px; height: 9px; border-radius: 50%;
}

.ev-filter-count {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-graphite-500);
}

.ev-filter-btn:hover {
  border-color: var(--ev-color);
  color: var(--color-graphite-900);
}

.ev-filter-btn.is-active {
  background: var(--color-graphite-900);
  color: #fff;
  border-color: var(--color-graphite-900);
}

.ev-filter-btn.is-active .ev-filter-count { color: rgba(255,255,255,0.85); }

.evidence-result-count {
  font-size: 0.8rem;
  color: var(--color-graphite-500);
  white-space: nowrap;
}

.evidence-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.ev-item {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  border-left: 3px solid var(--ev-color, var(--color-primary));
  box-shadow: var(--shadow-card);
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.ev-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.ev-item-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.55rem;
}

.ev-id {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-white);
  background: var(--ev-color, var(--color-primary));
  border-radius: var(--radius-full);
  padding: 0.15rem 0.55rem;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ev-comp {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-graphite-900);
  flex: 1 1 auto;
}

.ev-conf {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  padding: 0.12rem 0.5rem;
  flex: 0 0 auto;
}

.ev-conf-high { color: #047857; background: rgba(16,185,129,0.14); }
.ev-conf-med  { color: #b45309; background: rgba(245,158,11,0.16); }
.ev-conf-low  { color: #b91c1c; background: rgba(220,53,69,0.14); }

.ev-claim {
  font-size: 0.9rem;
  color: var(--color-graphite-700);
  line-height: 1.55;
  margin-bottom: 0.5rem;
}

.ev-trend {
  font-size: 0.82rem;
  color: var(--color-graphite-500);
  font-style: italic;
  margin-bottom: 0.5rem;
}

.ev-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(0,0,0,0.06);
}

.ev-meta {
  font-size: 0.72rem;
  color: var(--color-graphite-500);
}

.ev-src {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--transition);
}

.ev-src:hover { color: var(--color-dell-blue); text-decoration: underline; }
.ev-src-none { color: var(--color-graphite-500); font-weight: 500; }

.ev-more, .ev-clear {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  background: var(--color-accent);
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition);
}

.ev-more:hover { background: var(--color-primary); color: #fff; }

.evidence-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-graphite-500);
  padding: 1.5rem;
}

.evidence-empty .ev-clear {
  width: auto;
  margin: 0.5rem auto 0;
  display: inline-block;
  background: var(--color-white);
}

.evidence-fallback {
  grid-column: 1 / -1;
  color: var(--color-graphite-500);
}

.evidence-fallback code {
  font-family: monospace;
  background: rgba(0,0,0,0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

/* keep the heading inline total styled like the rest of the copy */
.ev-total-inline { color: var(--color-primary); font-weight: 700; }

@media (max-width: 640px) {
  .evidence-stat-num { font-size: 2.25rem; }
  .evidence-list { grid-template-columns: 1fr; }
}