/**
 * BitItUp s.r.l. - Modern Design System & Stylesheet
 * High-performance, lightweight, responsive CSS
 */

:root {
  /* Brand Tokens */
  --brand-cyan: #00aad4;
  --brand-cyan-hover: #00c0f0;
  --brand-cyan-dark: #0088ab;
  --brand-glow: rgba(0, 170, 212, 0.25);
  --brand-glow-strong: rgba(0, 170, 212, 0.45);
  
  /* Dark Theme Tokens (Default) */
  --bg-base: #07090e;
  --bg-surface: #0e121b;
  --bg-surface-elevated: #151c2a;
  --bg-surface-hover: #1c2638;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-accent: rgba(0, 170, 212, 0.5);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --header-bg: rgba(7, 9, 14, 0.85);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --glow-shadow: 0 0 35px -5px rgba(0, 170, 212, 0.3);
  
  /* Layout & Spacing */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Geist Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-hover: #e2e8f0;
  
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.15);
  --border-accent: rgba(0, 170, 212, 0.6);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --header-bg: rgba(248, 250, 252, 0.85);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
  --glow-shadow: 0 10px 25px -5px rgba(0, 170, 212, 0.2);
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.brand-logo-symbol {
  height: 40px;
  width: 40px;
  object-fit: contain;
  filter: drop-shadow(0 2px 10px rgba(59, 177, 220, 0.4));
  transition: transform var(--transition-fast);
  display: block;
}

.brand-link:hover .brand-logo-symbol {
  transform: scale(1.06);
}

.brand-name-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-name-text {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
}

.brand-tagline-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.22rem 0.55rem;
  background: rgba(0, 170, 212, 0.12);
  color: var(--brand-cyan);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 170, 212, 0.25);
  text-transform: uppercase;
}


.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

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

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

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

/* Theme Toggle Button */
.btn-theme-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-theme-toggle:hover {
  color: var(--brand-cyan);
  border-color: var(--border-medium);
  background: var(--bg-surface-elevated);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.65rem 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--brand-cyan);
  color: #ffffff;
  box-shadow: 0 4px 14px 0 rgba(0, 170, 212, 0.35);
}

.btn-primary:hover {
  background: var(--brand-cyan-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 170, 212, 0.45);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--brand-cyan);
  color: var(--brand-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.85rem 1.8rem;
  font-size: 1rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.hero {
  position: relative;
  padding-top: calc(72px + 4.5rem);
  padding-bottom: 5rem;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 550px;
  background: radial-gradient(circle, rgba(0, 170, 212, 0.18) 0%, rgba(0, 170, 212, 0.05) 45%, rgba(0, 0, 0, 0) 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.95rem;
  background: rgba(0, 170, 212, 0.09);
  border: 1px solid rgba(0, 170, 212, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-family: var(--font-mono);
  color: var(--brand-cyan);
  margin-bottom: 1.75rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-title .highlight {
  background: linear-gradient(135deg, #ffffff 0%, var(--brand-cyan) 60%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .hero-title .highlight {
  background: linear-gradient(135deg, #0f172a 0%, var(--brand-cyan-dark) 70%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 2.25rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

/* Metric Cards */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 1rem;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.2rem;
  text-align: left;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.metric-card:hover::before {
  opacity: 1;
}

.metric-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--brand-cyan);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.metric-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--brand-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Trust / Client Logos Section */
.clients-section {
  padding: 4rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.clients-title {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
  align-items: center;
}

.client-logo-item {
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 84px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  transition: opacity 0.2s ease, transform 0.2s ease, border-color var(--transition-normal), box-shadow var(--transition-normal);
}

[data-theme="light"] .client-logo-item {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.client-logo-item img {
  max-height: 52px;
  max-width: 90%;
  width: auto;
  height: auto;
  object-fit: contain;
  /* Original brand colors directly, no grayscale */
  filter: none;
  opacity: 1;
  transition: transform var(--transition-normal);
}

.client-logo-item:hover {
  border-color: var(--brand-cyan);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px -4px rgba(0, 170, 212, 0.32);
}

.client-logo-item:hover img {
  transform: scale(1.05);
}

/* Bento Grid Services */
.services-section {
  padding: 6rem 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--glow-shadow);
}

.bento-col-8 {
  grid-column: span 8;
}

.bento-col-4 {
  grid-column: span 4;
}

.bento-col-6 {
  grid-column: span 6;
}

.bento-col-12 {
  grid-column: span 12;
}

.bento-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 170, 212, 0.1);
  border: 1px solid rgba(0, 170, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-cyan);
  margin-bottom: 1.5rem;
}

.bento-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.bento-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* Case Studies Section */
.case-studies-section {
  padding: 6rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.filter-pills {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-pill {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover,
.filter-pill.active {
  background: var(--brand-cyan);
  color: #ffffff;
  border-color: var(--brand-cyan);
}

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

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

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

.case-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.case-category {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  color: var(--brand-cyan);
  background: rgba(0, 170, 212, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.case-card h3 {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.case-card-body {
  margin-bottom: 1.5rem;
}

.case-spec {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}

.case-spec-item {
  display: flex;
  gap: 0.5rem;
}

.case-spec-label {
  font-weight: 700;
  color: var(--text-primary);
  min-width: 85px;
}

.case-spec-val {
  color: var(--text-secondary);
}

.case-metric-highlight {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  background: rgba(0, 170, 212, 0.08);
  border-left: 3px solid var(--brand-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 1.2rem;
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Lab Section */
.lab-section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.lab-card {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-surface-elevated) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.lab-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.lab-preview-box {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--card-shadow);
}

.code-mock {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: #38bdf8;
  line-height: 1.7;
}

.code-mock .comment {
  color: var(--text-muted);
}

/* Method Timeline */
.method-section {
  padding: 6rem 0;
  border-top: 1px solid var(--border-subtle);
}

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

.timeline-step {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  position: relative;
  transition: all var(--transition-normal);
}

.timeline-step:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--brand-cyan);
  opacity: 0.7;
  margin-bottom: 0.75rem;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Contact Section */
.contact-section {
  padding: 6rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.contact-direct-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: stretch;
}

.contact-email-card {
  background: var(--bg-base);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.contact-email-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
}

.contact-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 170, 212, 0.1);
  border: 1px solid rgba(0, 170, 212, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--brand-cyan);
  margin-bottom: 1.5rem;
  width: fit-content;
}

.contact-card-title {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
  line-height: 1.25;
}

.contact-card-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.email-action-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.email-display {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--brand-cyan);
}

.email-text {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.email-text:hover {
  color: var(--brand-cyan);
  text-decoration: underline;
}

.email-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.email-buttons .btn {
  padding: 0.75rem 1.4rem;
}

.contact-response-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.contact-info-card {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  justify-content: space-between;
}

.contact-info-block {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 170, 212, 0.1);
  color: var(--brand-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: 0.2rem;
}

.channel-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
}

.maps-link {
  font-size: 0.85rem;
  color: var(--brand-cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.maps-link:hover {
  text-decoration: underline;
  color: var(--brand-blue);
}

.corporate-box {
  padding: 1.25rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.corporate-box-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.corporate-details strong {
  color: var(--text-primary);
}

.competencies-pill-box {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.topic-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  user-select: none;
}

.topic-chip.static {
  cursor: default;
  pointer-events: none;
  background: var(--bg-surface-elevated);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

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

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

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 380px;
  margin-top: 1rem;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #10b981;
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-medium);
  z-index: 200;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-smooth);
}

.mobile-nav-drawer.open {
  right: 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.drawer-close:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-medium);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.mobile-nav-link {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .bento-col-8,
  .bento-col-6 {
    grid-column: span 12;
  }
  
  .bento-col-4 {
    grid-column: span 6;
  }
  
  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .lab-card {
    grid-template-columns: 1fr;
    padding: 2.5rem;
  }
  
  .case-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-direct-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Mobile Header: De-cluttered & Airy */
  .header-inner {
    height: 60px;
  }
  
  .brand-link {
    gap: 0.55rem;
  }
  
  .brand-logo-symbol {
    width: 32px;
    height: 32px;
  }
  
  .brand-name-text {
    font-size: 1.15rem;
  }
  
  /* Hide tagline badge on mobile to prevent overcrowding */
  .brand-tagline-badge {
    display: none !important;
  }
  
  .nav-desktop {
    display: none;
  }
  
  /* Hide header CTA on mobile; already accessible in drawer & hero */
  .nav-cta-btn {
    display: none !important;
  }
  
  .nav-actions {
    gap: 0.5rem;
  }
  
  .btn-theme-toggle {
    width: 36px;
    height: 36px;
  }
  
  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
  }
  
  .hero {
    padding-top: calc(60px + 3rem);
    padding-bottom: 3.5rem;
  }
  
  .bento-col-4 {
    grid-column: span 12;
  }
  
  .metrics-row {
    grid-template-columns: 1fr;
  }
  
  .timeline-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-email-card,
  .contact-info-card {
    padding: 1.75rem;
  }
}

@media (max-width: 640px) {
  .container {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }

  .clients-grid {
    grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
    gap: 0.85rem;
  }
  .client-logo-item {
    height: 72px;
    padding: 0.5rem 0.75rem;
  }
  .client-logo-item img {
    max-height: 42px;
  }
}