:root {
  --bg-primary: #070a13;
  --bg-secondary: #0d1224;
  --bg-card: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-subtle: rgba(56, 189, 248, 0.15);
  --border-accent: rgba(56, 189, 248, 0.45);
  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background: radial-gradient(circle at 50% -20%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 100% 40%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 0% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
              var(--bg-primary);
  min-height: 100vh;
}

/* Background Canvas */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
}

/* Typography Utilities */
h1, h2, h3, h4, .brand-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.mono {
  font-family: var(--font-mono);
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 10%, #38bdf8 65%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #3b82f6 100%);
  box-shadow: 0 6px 28px rgba(56, 189, 248, 0.55);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.8);
  color: #e2e8f0;
  border-color: var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(30, 41, 59, 0.9);
  color: #ffffff;
  transform: translateY(-2px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  color: var(--accent-cyan);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(7, 10, 19, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.7rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 800;
}

.logo-chip {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(37, 99, 235, 0.2));
  border: 1px solid var(--accent-cyan);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

.logo-chip svg {
  width: 20px;
  height: 20px;
  fill: var(--accent-cyan);
}

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

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  padding: 0.4rem;
}

/* Hero Section */
.hero-section {
  padding: 9.5rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  line-height: 1.12;
  font-weight: 800;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.hero-emails-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.email-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.88rem;
  color: #e2e8f0;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.email-pill:hover {
  border-color: var(--accent-cyan);
  background: rgba(30, 41, 59, 0.9);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
}

.email-pill svg {
  width: 16px;
  height: 16px;
  fill: var(--accent-cyan);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* Interactive Hardware Visual / Telemetry Card */
.hero-telemetry-card {
  background: rgba(13, 18, 36, 0.85);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 30px rgba(56, 189, 248, 0.15);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.card-header-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #10b981; }

.telemetry-node-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.node-stat-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 0.9rem;
}

.stat-box-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.stat-box-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.telemetry-feed {
  background: #05070d;
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  height: 140px;
  overflow-y: hidden;
  position: relative;
}

.log-entry {
  color: #a5f3fc;
  margin-bottom: 0.4rem;
  white-space: nowrap;
  animation: fadeIn 0.4s ease;
}

.log-entry .timestamp {
  color: var(--text-dim);
}

.log-entry .tag-ok {
  color: #34d399;
}

.log-entry .tag-mqtt {
  color: #38bdf8;
}

.log-entry .tag-rtos {
  color: #c084fc;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Stats Counter Banner */
.stats-banner {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(13, 18, 36, 0.4);
}

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

.stat-card-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  font-family: var(--font-heading);
}

.stat-card-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Section Shared Layouts */
.section-padding {
  padding: 6.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-header .badge {
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  margin-bottom: 1rem;
}

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

/* Services Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  transition: all var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 25px rgba(56, 189, 248, 0.15);
}

.service-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.12), rgba(37, 99, 235, 0.12));
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-cyan);
}

.service-icon-box svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.service-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
  color: #ffffff;
}

.service-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin-top: auto;
}

.service-tag-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #7dd3fc;
}

/* Architecture & Engineering Process Section */
.architecture-section {
  background: linear-gradient(180deg, rgba(13, 18, 36, 0.6) 0%, rgba(7, 10, 19, 0.9) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  position: relative;
  transition: all var(--transition-fast);
}

.process-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-cyan);
  opacity: 0.4;
  margin-bottom: 0.5rem;
}

.process-card-title {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 0.65rem;
}

.process-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Technology Matrix */
.tech-matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.tech-column {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.tech-col-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.tech-col-header svg {
  width: 20px;
  height: 20px;
  fill: var(--accent-cyan);
}

.tech-items-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.tech-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.88rem;
  color: #e2e8f0;
}

.tech-item span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

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

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

.solution-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

.solution-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.solution-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.solution-icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.solution-title {
  font-size: 1.3rem;
  color: #ffffff;
}

.solution-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.solution-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.solution-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: #cbd5e1;
}

.solution-features li svg {
  width: 16px;
  height: 16px;
  fill: var(--accent-emerald);
  flex-shrink: 0;
}

/* Contact & Direct Inquiries Section */
.contact-section {
  position: relative;
  background: radial-gradient(circle at 50% 100%, rgba(37, 99, 235, 0.12) 0%, transparent 60%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-channel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  background: rgba(13, 18, 36, 0.7);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.contact-channel:hover {
  border-color: var(--accent-cyan);
  background: rgba(15, 23, 42, 0.95);
}

.channel-details {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.channel-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.channel-role {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.channel-email {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
}

.channel-email:hover {
  color: var(--accent-cyan);
}

.copy-btn {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.copy-btn:hover {
  background: rgba(56, 189, 248, 0.2);
  color: #ffffff;
  border-color: var(--accent-cyan);
}

/* Contact Form */
.contact-form-card {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(14px);
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(7, 10, 19, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.3);
  background: rgba(13, 18, 36, 0.9);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #0f172a;
  border: 1px solid var(--accent-cyan);
  color: #ffffff;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5), 0 0 20px rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2.5rem;
  background: #05070d;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 1rem;
  max-width: 340px;
  line-height: 1.6;
}

.footer-col-title {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.domain-badge {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(7, 10, 19, 0.97);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform var(--transition-smooth);
    backdrop-filter: blur(15px);
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .nav-toggle {
    display: block;
  }
  .nav-cta-group .btn {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  .process-steps-grid {
    grid-template-columns: 1fr;
  }
  .tech-matrix-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}