/* ==========================================================================
   Mechanical Minds (mechaminds.net | mechaminds.org)
   Theme: Cyber-Mechanical Neural Core & Autonomous Robotics Mission Control
   WCAG 2.1 AA High-Contrast Dark Design System
   ========================================================================== */

:root {
  --mm-bg-obsidian: #05070e;
  --mm-bg-elevated: #0a0f1d;
  --mm-bg-panel: #0f1629;
  --mm-bg-card-hover: #151f38;
  --mm-bg-terminal: #03050a;
  --mm-cyan: #00e5ff;
  --mm-cyan-light: #38bdf8;
  --mm-violet: #a855f7;
  --mm-green: #00ff66;
  --mm-amber: #f59e0b;
  --mm-text-bright: #ffffff;
  --mm-text-main: #f8fafc;
  --mm-text-secondary: #cbd5e1;
  --mm-text-muted: #94a3b8;
  --mm-text-dark: #05070e;
  --mm-border: rgba(255, 255, 255, 0.11);
  --mm-border-cyan: rgba(0, 229, 255, 0.35);
  --mm-font-display: 'Space Grotesk', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --mm-font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mm-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--mm-bg-obsidian);
  background-image:
    radial-gradient(circle at 15% 15%, rgba(0, 229, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 25%, rgba(168, 85, 247, 0.08) 0%, transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 36px 36px, 36px 36px;
  color: var(--mm-text-main);
  font-family: var(--mm-font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--mm-cyan-light);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover, a:focus-visible {
  color: var(--mm-cyan);
  text-decoration: underline;
}

.mm-hidden {
  display: none !important;
}

/* Container & Layout Grid */
.mm-wrapper, .iot-wrapper, .yoo-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.mm-container, .iot-container, .yoo-container {
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.mm-main-grid, .iot-main-grid, .yoo-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 2rem;
  align-items: start;
  margin: 1.75rem 0 3rem;
}

/* Header & Navigation */
.mm-header, .iot-header, .yoo-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.5rem;
  margin-top: 1rem;
  background: rgba(15, 22, 41, 0.88);
  border: 1px solid var(--mm-border-cyan);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 36px -10px rgba(0, 0, 0, 0.7);
}

.iot-brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.iot-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none !important;
}

.mm-logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.iot-brand-text h1,
.mm-brand-title {
  margin: 0;
  font-family: var(--mm-font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--mm-text-bright);
}

.iot-brand-text p {
  margin: 0.15rem 0 0;
  font-size: 0.8rem;
  color: var(--mm-text-secondary);
}

.sys-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: rgba(0, 255, 102, 0.1);
  border: 1px solid rgba(0, 255, 102, 0.35);
  border-radius: 9999px;
  font-family: var(--mm-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--mm-green);
}

.sys-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mm-green);
  box-shadow: 0 0 8px var(--mm-green);
}

.mobile-nav-toggle {
  display: none;
  background: var(--mm-bg-panel);
  color: var(--mm-text-bright);
  border: 1px solid var(--mm-border-cyan);
  border-radius: 8px;
  padding: 0.45rem 0.75rem;
  font-size: 1.2rem;
  cursor: pointer;
}

.iot-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.iot-nav-link {
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  font-family: var(--mm-font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--mm-text-main);
  text-decoration: none !important;
  transition: background 0.18s ease, color 0.18s ease;
}

.iot-nav-link:hover,
.iot-nav-link.active {
  background: rgba(0, 229, 255, 0.14);
  color: var(--mm-cyan);
  border: 1px solid rgba(0, 229, 255, 0.3);
}

/* Hero & Mission Control */
.mm-hero {
  background: linear-gradient(145deg, rgba(15, 22, 41, 0.95), rgba(8, 12, 24, 0.98));
  border: 1px solid var(--mm-border-cyan);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 20px 48px -12px rgba(0, 0, 0, 0.8);
}

.mm-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: stretch;
}

.mm-badge-cyan, .iot-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.38);
  border-radius: 9999px;
  font-family: var(--mm-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--mm-cyan);
  margin-bottom: 1rem;
}

.mm-hero-title {
  font-family: var(--mm-font-display);
  font-size: 2.35rem;
  line-height: 1.18;
  font-weight: 800;
  color: var(--mm-text-bright);
  margin: 0 0 1rem;
  letter-spacing: -0.025em;
}

.mm-text-gradient {
  color: var(--mm-cyan);
}

.mm-hero-lead {
  font-size: 1.04rem;
  color: var(--mm-text-secondary);
  margin: 0 0 1.5rem;
}

.mm-hero-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.6rem;
}

.mm-kpi-card {
  background: rgba(5, 7, 14, 0.75);
  border: 1px solid var(--mm-border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.mm-kpi-val {
  display: block;
  font-family: var(--mm-font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--mm-green);
}

.mm-kpi-label {
  display: block;
  font-size: 0.76rem;
  color: var(--mm-text-secondary);
  margin-top: 0.2rem;
}

.mm-hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.mm-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.4rem;
  background: var(--mm-cyan);
  color: var(--mm-text-dark) !important;
  font-family: var(--mm-font-display);
  font-weight: 800;
  font-size: 0.92rem;
  border-radius: 10px;
  text-decoration: none !important;
  border: 1px solid var(--mm-cyan);
  transition: transform 0.15s ease, background 0.15s ease;
}

.mm-btn-primary:hover {
  background: var(--mm-cyan-light);
  transform: translateY(-1px);
}

.mm-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.4rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--mm-text-bright) !important;
  font-family: var(--mm-font-display);
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: 10px;
  border: 1px solid var(--mm-border-cyan);
  text-decoration: none !important;
}

.mm-btn-secondary:hover {
  background: rgba(0, 229, 255, 0.12);
}

/* Interactive Widgets */
.mm-widget-card {
  background: var(--mm-bg-terminal);
  border: 1px solid var(--mm-border-cyan);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mm-widget-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.mm-widget-eyebrow {
  display: block;
  font-family: var(--mm-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--mm-cyan);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.mm-widget-title {
  margin: 0;
  font-family: var(--mm-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--mm-text-bright);
}

.mm-status-pill {
  font-family: var(--mm-font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--mm-green);
  background: rgba(0, 255, 102, 0.1);
  border: 1px solid rgba(0, 255, 102, 0.3);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
}

.mm-node-tabs, .mm-tier-tabs, .mm-code-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}

.mm-node-tab, .mm-code-tab {
  background: var(--mm-bg-panel);
  color: var(--mm-text-secondary);
  border: 1px solid var(--mm-border);
  border-radius: 8px;
  padding: 0.42rem 0.75rem;
  font-family: var(--mm-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.mm-node-tab.active, .mm-code-tab.active {
  background: var(--mm-cyan);
  color: var(--mm-text-dark);
  border-color: var(--mm-cyan);
  font-weight: 800;
}

.mm-wave-container {
  background: rgba(15, 22, 41, 0.7);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 8px;
  padding: 0.35rem 0.5rem;
  margin-bottom: 0.75rem;
}

.mm-wave-svg {
  width: 100%;
  height: 52px;
  display: block;
}

.mm-terminal-pre, .mm-code-pre, .mm-console-pre {
  background: #020409;
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 0.95rem 1.1rem;
  font-family: var(--mm-font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  overflow-x: auto;
  margin: 0 0 0.85rem;
}

.mm-widget-controls, .mm-code-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.mm-ctrl-btn {
  background: var(--mm-bg-panel);
  color: var(--mm-text-bright);
  border: 1px solid var(--mm-border-cyan);
  border-radius: 8px;
  padding: 0.45rem 0.85rem;
  font-family: var(--mm-font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
}

.mm-ctrl-btn:hover {
  background: rgba(0, 229, 255, 0.16);
}

.mm-ctrl-btn-green {
  background: var(--mm-green);
  color: var(--mm-text-dark);
  border-color: var(--mm-green);
}

.mm-ctrl-btn-amber {
  border-color: rgba(245, 158, 11, 0.5);
  color: #fbbf24;
}

.mm-ctrl-btn-violet {
  border-color: rgba(168, 85, 247, 0.5);
  color: #d8b4fe;
}

/* Section Cards */
.mm-section-card, .iot-card, .yoo-card {
  background: var(--mm-bg-panel);
  border: 1px solid var(--mm-border);
  border-radius: 16px;
  padding: 1.85rem;
  margin-bottom: 2rem;
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.7);
}

.mm-section-header {
  margin-bottom: 1.4rem;
}

.mm-section-title, .entry-title {
  font-family: var(--mm-font-display);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--mm-text-bright);
  margin: 0.25rem 0 0.65rem;
}

.mm-section-desc {
  color: var(--mm-text-secondary);
  margin: 0;
  font-size: 0.96rem;
}

/* 4-Tier Stack Explorer */
.mm-tier-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.mm-tier-tab {
  background: var(--mm-bg-elevated);
  color: var(--mm-text-main);
  border: 1px solid var(--mm-border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mm-tier-tab.active {
  background: rgba(0, 229, 255, 0.14);
  border-color: var(--mm-cyan);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
}

.mm-tier-num {
  font-family: var(--mm-font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--mm-cyan);
}

.mm-tier-panel {
  background: var(--mm-bg-elevated);
  border: 1px solid var(--mm-border-cyan);
  border-radius: 12px;
  padding: 1.4rem;
}

.mm-tier-panel h3 {
  margin-top: 0;
  font-family: var(--mm-font-display);
  color: var(--mm-text-bright);
}

.mm-spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  margin-top: 1rem;
}

.mm-spec-box {
  background: var(--mm-bg-panel);
  border: 1px solid var(--mm-border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mm-spec-box strong {
  font-size: 0.78rem;
  font-family: var(--mm-font-mono);
  color: var(--mm-cyan);
  text-transform: uppercase;
}

.mm-spec-box span {
  font-size: 0.9rem;
  color: var(--mm-text-main);
}

/* Code Toolbar & Console */
.mm-code-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.mm-console-box {
  background: #020409;
  border: 1px solid rgba(0, 255, 102, 0.3);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.mm-console-title {
  font-family: var(--mm-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--mm-green);
  margin-bottom: 0.45rem;
}

/* ROI Calculator */
.mm-calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
}

.mm-calc-field {
  margin-bottom: 1.15rem;
}

.mm-calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--mm-text-main);
  margin-bottom: 0.45rem;
}

.mm-calc-label strong {
  color: var(--mm-cyan);
  font-family: var(--mm-font-mono);
}

.mm-range-input {
  width: 100%;
  accent-color: var(--mm-cyan);
  cursor: pointer;
}

.mm-select-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--mm-bg-elevated);
  color: var(--mm-text-bright);
  border: 1px solid var(--mm-border-cyan);
  border-radius: 8px;
  font-family: var(--mm-font-body);
  font-size: 0.9rem;
}

.mm-calc-results {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.mm-result-box {
  background: var(--mm-bg-elevated);
  border: 1px solid var(--mm-border);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.mm-result-highlight {
  border-color: rgba(0, 255, 102, 0.45);
  background: rgba(0, 255, 102, 0.06);
}

.mm-result-label {
  font-size: 0.85rem;
  color: var(--mm-text-secondary);
}

.mm-result-val {
  font-family: var(--mm-font-mono);
  font-size: 1.1rem;
  font-weight: 800;
}

.mm-val-cyan { color: var(--mm-cyan); }
.mm-val-green { color: var(--mm-green); }
.mm-val-amber { color: var(--mm-amber); }
.mm-val-muted { color: var(--mm-text-secondary); }

/* Pillars & Article Cards */
.mm-pillars-grid, .mm-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.mm-pillar-card, .mm-article-card {
  background: var(--mm-bg-elevated);
  border: 1px solid var(--mm-border);
  border-radius: 12px;
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.mm-pillar-card:hover, .mm-article-card:hover {
  border-color: var(--mm-border-cyan);
  transform: translateY(-2px);
}

.mm-pillar-tag {
  font-family: var(--mm-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--mm-cyan);
  margin-bottom: 0.5rem;
}

.mm-pillar-card h2, .mm-pillar-card h3, .mm-article-card-title {
  font-family: var(--mm-font-display);
  font-size: 1.18rem;
  color: var(--mm-text-bright);
  margin: 0 0 0.65rem;
}

.mm-article-card-title a {
  color: var(--mm-text-bright);
}

.mm-article-meta {
  display: flex;
  gap: 0.45rem;
  font-family: var(--mm-font-mono);
  font-size: 0.73rem;
  color: var(--mm-cyan);
  margin-bottom: 0.5rem;
}

.mm-article-card-excerpt {
  font-size: 0.9rem;
  color: var(--mm-text-secondary);
  margin: 0 0 1rem;
}

.mm-card-link {
  font-family: var(--mm-font-display);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--mm-cyan);
  margin-top: auto;
}

/* Article Body & Tables */
.entry-content h2 {
  font-family: var(--mm-font-display);
  font-size: 1.45rem;
  color: var(--mm-text-bright);
  margin: 1.85rem 0 0.75rem;
  border-bottom: 1px solid var(--mm-border);
  padding-bottom: 0.4rem;
}

.entry-content h3 {
  font-family: var(--mm-font-display);
  font-size: 1.18rem;
  color: var(--mm-cyan-light);
  margin: 1.4rem 0 0.5rem;
}

.entry-content p.lead {
  font-size: 1.08rem;
  color: var(--mm-text-bright);
  background: rgba(0, 229, 255, 0.07);
  border-left: 4px solid var(--mm-cyan);
  padding: 1rem 1.25rem;
  border-radius: 0 10px 10px 0;
}

.callout, .callout-box {
  background: rgba(168, 85, 247, 0.09);
  border-left: 4px solid var(--mm-violet);
  border-radius: 0 10px 10px 0;
  padding: 1.1rem 1.3rem;
  margin: 1.4rem 0;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.4rem 0;
}

.table, .mm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.table th, .table td {
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--mm-border);
  text-align: left;
}

.table th {
  background: var(--mm-bg-elevated);
  color: var(--mm-cyan);
  font-family: var(--mm-font-mono);
  font-weight: 700;
}

.table td code, p code, li code {
  background: rgba(0, 229, 255, 0.12);
  color: var(--mm-cyan-light);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: var(--mm-font-mono);
  font-size: 0.82em;
}

/* Sidebar */
.mm-sidebar-card, .yoo-sidebar-card {
  background: var(--mm-bg-panel);
  border: 1px solid var(--mm-border);
  border-radius: 14px;
  padding: 1.35rem;
  margin-bottom: 1.5rem;
}

.iot-widget-title {
  margin: 0 0 0.75rem;
  font-family: var(--mm-font-display);
  font-size: 1.08rem;
  color: var(--mm-text-bright);
}

.iot-widget-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.iot-widget-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.iot-widget-list li:last-child {
  border-bottom: none;
}

/* Author Box & Breadcrumbs */
.yoo-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-family: var(--mm-font-mono);
  font-size: 0.78rem;
  color: var(--mm-text-muted);
  margin-bottom: 1rem;
}

.yoo-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.84rem;
  color: var(--mm-text-secondary);
  margin-bottom: 1.4rem;
}

.author-box {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--mm-bg-elevated);
  border: 1px solid var(--mm-border-cyan);
  border-radius: 12px;
  padding: 1.35rem;
  margin-top: 2rem;
}

.yoo-author-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--mm-cyan);
}

/* CTA Banner */
.mm-cta-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.12), rgba(168, 85, 247, 0.12));
  border: 1px solid var(--mm-border-cyan);
  border-radius: 12px;
  padding: 1.4rem 1.6rem;
  margin-top: 2rem;
}

/* Footer */
.mm-footer, .iot-footer {
  background: #080c17;
  border: 1px solid var(--mm-border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.iot-footer-diagnostics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--mm-border);
}

.telemetry-metric-pill {
  background: var(--mm-bg-panel);
  border: 1px solid var(--mm-border);
  border-radius: 9999px;
  padding: 0.35rem 0.85rem;
  font-family: var(--mm-font-mono);
  font-size: 0.74rem;
  color: var(--mm-text-secondary);
}

.telemetry-metric-pill span {
  color: var(--mm-cyan);
  font-weight: 700;
}

.iot-footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.iot-footer-brand-title, .iot-footer-col-title {
  color: var(--mm-text-bright);
  font-family: var(--mm-font-display);
  margin: 0 0 0.75rem;
}

.iot-footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.iot-footer-list li {
  margin-bottom: 0.45rem;
  font-size: 0.86rem;
  color: var(--mm-text-secondary);
}

.iot-footer-compliance {
  border-top: 1px solid var(--mm-border);
  padding-top: 1rem;
  font-size: 0.78rem;
  color: var(--mm-text-muted);
}

.iot-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid var(--mm-border);
  padding-top: 1rem;
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--mm-text-secondary);
}

.iot-footer-bottom-links {
  display: flex;
  gap: 1.25rem;
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  .mm-main-grid, .iot-main-grid, .yoo-main-grid,
  .mm-hero-grid,
  .mm-calc-grid,
  .mm-pillars-grid,
  .mm-articles-grid,
  .iot-footer-grid {
    grid-template-columns: 1fr;
  }
  .mm-tier-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .mm-hero-title {
    font-size: 1.75rem;
  }
  .mm-hero-kpi-row,
  .mm-tier-tabs,
  .mm-spec-grid {
    grid-template-columns: 1fr;
  }
  .mobile-nav-toggle {
    display: inline-block;
  }
}