/* Design System & Variables */
:root {
  --bg-dark: #09090b;
  --bg-card: rgba(20, 20, 25, 0.65);
  --bg-card-hover: rgba(28, 28, 35, 0.8);
  --border-color: rgba(63, 63, 70, 0.3);
  --border-glow: rgba(168, 85, 247, 0.2);
  
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  
  --color-purple: #a855f7;
  --color-cyan: #06b6d4;
  --color-green: #22c55e;
  --color-red: #ef4444;
  
  --gradient-primary: linear-gradient(135deg, #a855f7 0%, #06b6d4 100%);
  --gradient-text: linear-gradient(135deg, #d8b4fe 0%, #818cf8 50%, #22d3ee 100%);
  --shadow-main: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px -5px rgba(168, 85, 247, 0.3);
  
  --font-family: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  
  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #27272a;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3f3f46;
}

/* Helper Classes */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-green { color: var(--color-green); }
.text-cyan { color: var(--color-cyan); }
.text-purple { color: var(--color-purple); }
.mt-4 { margin-top: 1rem; }

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-btn {
  background: var(--gradient-primary);
  color: white !important;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-weight: 600 !important;
  box-shadow: var(--shadow-glow);
  transition: transform 0.3s ease, box-shadow 0.3s ease !important;
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px -3px rgba(168, 85, 247, 0.5);
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  overflow: hidden;
  margin-bottom: 2rem;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  filter: blur(4px);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: linear-gradient(to top, var(--bg-dark), transparent);
  z-index: 2;
}

.hero-content-wrapper {
  position: relative;
  z-index: 3;
  max-width: 800px;
  margin: var(--nav-height) auto 0;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #c084fc;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  margin-bottom: 2.5rem;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px -3px rgba(168, 85, 247, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

/* Sections Layout */
.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.section {
  padding: 6rem 0;
  border-bottom: 1px solid rgba(63, 63, 70, 0.15);
}

.alt-bg {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding-left: calc((100vw - 1200px) / 2 + 2rem);
  padding-right: calc((100vw - 1200px) / 2 + 2rem);
  background: rgba(20, 20, 25, 0.3);
}

/* Adjustments for smaller viewports on alt-bg padding */
@media (max-width: 1240px) {
  .alt-bg {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Dashboard Section */
.dashboard-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

/* Sidebar Panel */
.control-panel {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  box-shadow: var(--shadow-main);
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.control-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.label-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge-value {
  color: var(--color-cyan);
  font-weight: 600;
  font-family: var(--font-display);
}

/* Industry pills */
.industry-selector {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.industry-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.3s ease;
}

.industry-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
}

.industry-btn.active {
  background: rgba(168, 85, 247, 0.12);
  border-color: var(--color-purple);
  color: var(--text-main);
  box-shadow: 0 0 15px -5px rgba(168, 85, 247, 0.3);
}

/* Range Slider Custom Styling */
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #27272a;
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-cyan);
  cursor: pointer;
  transition: transform 0.1s ease;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Toggle Switch Custom Styling */
.toggle-group {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.toggle-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-width: 75%;
}

.control-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
  flex-shrink: 0;
}

.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #27272a;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-muted);
  transition: .4s;
}

input:checked + .slider {
  background-color: var(--color-purple);
}

input:checked + .slider:before {
  transform: translateX(22px);
  background-color: white;
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Chart Panel */
.chart-panel {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-main);
}

.chart-header {
  margin-bottom: 1.5rem;
}

.chart-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.chart-helper {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.canvas-wrapper {
  flex-grow: 1;
  position: relative;
  min-height: 380px;
  max-height: 450px;
  width: 100%;
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-main);
  transition: border-color 0.3s, transform 0.3s;
}

.kpi-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.highlight-card {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
  border: 1px solid rgba(168, 85, 247, 0.25);
  box-shadow: var(--shadow-glow);
}

.highlight-card:hover {
  border-color: rgba(168, 85, 247, 0.4);
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.kpi-value-wrapper {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0.5rem 0;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
}

.kpi-change {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
}

.kpi-change.positive {
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-green);
}

.kpi-change.negative {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-red);
}

.kpi-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Comparison Section */
.comparison-selectors {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.select-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.select-wrapper label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.channel-select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.8rem 1.2rem;
  border-radius: 10px;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: all 0.3s;
}

.channel-select:focus {
  border-color: var(--color-purple);
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
}

.vs-divider {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.comparison-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-main);
}

.comp-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.comp-channel-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.comp-channel-tag.tag-purple {
  background: rgba(168, 85, 247, 0.15);
  color: var(--color-purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.comp-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
}

.comp-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comp-metric-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.metric-value {
  font-size: 1.05rem;
  font-weight: 500;
}

/* Funnel indicators inside matchup */
.comp-funnel {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.funnel-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.funnel-bar-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.funnel-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.funnel-bar {
  background: #27272a;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  width: 100%;
}

.funnel-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.bg-cyan { background: var(--color-cyan); }
.bg-purple { background: var(--color-purple); }

/* Deep Dive Section */
.deep-dive-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.highlight-p {
  font-size: 1.15rem;
  color: var(--text-main);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.deep-dive-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.deep-dive-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.deep-dive-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  color: var(--text-muted);
}

.list-bullet {
  color: var(--color-purple);
  font-size: 1.1rem;
  line-height: 1;
  margin-top: 0.2rem;
}

.deep-dive-list strong {
  color: var(--text-main);
}

.deep-dive-visuals {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.visual-graphic-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-main);
}

.agent-concept-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.visual-graphic-card:hover .agent-concept-img {
  transform: scale(1.02);
}

/* Terminal Simulator Card */
.terminal-card {
  background: #09090b;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-main);
}

.terminal-header {
  background: #18181b;
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot.red { background-color: var(--color-red); }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: var(--color-green); }

.terminal-title {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.5rem;
  min-height: 250px;
  max-height: 300px;
  overflow-y: auto;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  color: #a7f3d0; /* Soft matrix green */
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
}

.terminal-line {
  line-height: 1.4;
  opacity: 0.9;
}

.terminal-line.system {
  color: var(--text-muted);
}

.terminal-line.input {
  color: var(--color-cyan);
}

.terminal-line.success {
  color: var(--color-green);
}

/* Call to Action */
.cta-section {
  border-bottom: none;
}

.cta-card {
  background: linear-gradient(135deg, rgba(20, 20, 25, 0.9) 0%, rgba(9, 9, 11, 0.9) 100%), var(--gradient-primary);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 24px;
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(168, 85, 247, 0.3);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
}

.cta-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 700px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  gap: 1.25rem;
}

.form-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.9rem 1.4rem;
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.3s;
}

.form-input:focus {
  border-color: var(--color-purple);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.15);
}

.select-input {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1.2rem center;
}

.btn-submit {
  flex: 1;
  height: 100%;
  border-radius: 12px;
  padding: 0.9rem 1.4rem;
}

/* Footer */
.footer {
  background: #050507;
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 400px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-family);
  font-weight: 400;
  margin-top: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-main);
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

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

/* Responsive Breakpoints */
@media (max-width: 968px) {
  .dashboard-grid,
  .comparison-grid,
  .deep-dive-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    flex-direction: column;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 320px;
  }
  
  .nav-links {
    display: none; /* In production, we'd add a mobile menu burger */
  }
}