/* ==========================================================================
   WEBATTACH LTD - Modern European Technology Landing Design System
   Brand Archetype: Connected Nodes, Geometric Precision, Clean White Canvas
   Palette: Clean Whites, Deep Slate, Vibrant Teal, Regal Purple, Vivid Magenta
   ========================================================================== */

:root {
  /* Brand Color Tokens */
  --color-white: #ffffff;
  --color-canvas: #ffffff;
  --color-surface-subtle: #f8fafc;
  --color-surface-card: #ffffff;
  --color-surface-hover: #f1f5f9;
  --color-border-subtle: #e2e8f0;
  --color-border-medium: #cbd5e1;

  /* Accent Brand Spectrum */
  --teal-primary: #00d2b4;
  --teal-hover: #00b89e;
  --teal-glow: rgba(0, 210, 180, 0.16);
  
  --purple-primary: #7c3aed;
  --purple-hover: #6d28d9;
  --purple-glow: rgba(124, 58, 237, 0.14);

  --magenta-primary: #ec4899;
  --magenta-hover: #db2777;
  --magenta-glow: rgba(236, 72, 153, 0.14);

  /* Linear & Mesh Gradients */
  --brand-gradient: linear-gradient(135deg, #00d2b4 0%, #7c3aed 52%, #ec4899 100%);
  --brand-gradient-subtle: linear-gradient(135deg, rgba(0, 210, 180, 0.08) 0%, rgba(124, 58, 237, 0.08) 50%, rgba(236, 72, 153, 0.08) 100%);
  --brand-gradient-border: linear-gradient(135deg, rgba(0, 210, 180, 0.4), rgba(124, 58, 237, 0.4), rgba(236, 72, 153, 0.4));

  /* Typography / Text Colors */
  --text-main: #0f172a;       /* Slate 900 */
  --text-muted: #475569;      /* Slate 600 */
  --text-light: #64748b;      /* Slate 500 */
  --text-faint: #94a3b8;      /* Slate 400 */

  /* Fonts */
  --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout & Geometry */
  --container-max: 1240px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Precision Shadows (Subtle, never muddy) */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 16px 36px -4px rgba(15, 23, 42, 0.09);
  --shadow-focus: 0 0 0 3px rgba(0, 210, 180, 0.25);

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

body {
  background-color: var(--color-canvas);
  color: var(--text-main);
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  width: 100%;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* ==========================================================================
   Background Tech Canvas & Precision Grid Lines
   ========================================================================== */

.bg-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -2;
  background-image: 
    linear-gradient(to right, rgba(226, 232, 240, 0.45) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.45) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black 40%, transparent 85%);
}

.node-canvas {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.65;
}

/* ==========================================================================
   Typography & Shared Utilities
   ========================================================================== */

.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.tech-badge.centered {
  margin-left: auto;
  margin-right: auto;
}

.badge-node {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-primary);
  box-shadow: 0 0 8px var(--teal-primary);
}

.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}

.section-head.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Node Ribbon Dividers */
.section-divider-nodes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 60px;
  margin-bottom: 20px;
}

.node-anchor {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--color-border-medium);
  background: #ffffff;
  position: relative;
}

.node-anchor.active {
  border-color: var(--purple-primary);
  background: var(--purple-primary);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.5);
}

.node-link {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal-primary), var(--purple-primary));
  opacity: 0.5;
}

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--text-main);
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brand-gradient);
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  background: #1e293b;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
}

.btn-secondary {
  background: var(--color-surface-subtle);
  color: var(--text-main);
  border: 1px solid var(--color-border-subtle);
}

.btn-secondary:hover {
  background: #ffffff;
  border-color: var(--purple-primary);
  color: var(--purple-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--color-border-medium);
}

.btn-outline:hover {
  border-color: var(--teal-primary);
  color: var(--teal-primary);
  background: rgba(0, 210, 180, 0.05);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.84rem;
}

.btn-block {
  width: 100%;
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 100;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-image {
  height: 42px;
  width: auto;
}

.desktop-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 8px 0;
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 11px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-primary);
  box-shadow: 0 0 6px var(--teal-primary);
  animation: pulseNode 2s infinite ease-in-out;
}

@keyframes pulseNode {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.5; }
}

.status-text {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 110;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background: var(--text-main);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-toggle.is-open .hamburger-line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-toggle.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: #ffffff;
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 32px 28px 48px;
  box-shadow: 0 24px 36px rgba(15, 23, 42, 0.12);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  z-index: 99;
}

.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-link {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  padding: 8px 0;
  display: inline-block;
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--purple-primary);
  padding-left: 6px;
}

.mobile-nav-footer {
  padding-top: 18px;
  border-top: 1px solid var(--color-border-subtle);
}

.mobile-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-bottom: 16px;
}

/* ==========================================================================
   Section 1: Hero
   ========================================================================== */

.hero-section {
  padding-top: 72px;
  padding-bottom: 80px;
  position: relative;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text-main);
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.1875rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-credentials {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-subtle);
}

.credential-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cred-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1;
}

.cred-label {
  font-size: 0.775rem;
  color: var(--text-light);
  font-weight: 500;
}

.credential-sep {
  width: 1px;
  height: 36px;
  background: var(--color-border-subtle);
}

/* Terminal Frame / Visual Tech Command Showcase */
.hero-visual-wrapper {
  position: relative;
}

.terminal-frame {
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 48px -12px rgba(15, 23, 42, 0.12);
  overflow: hidden;
  position: relative;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #f8fafc;
  border-bottom: 1px solid var(--color-border-subtle);
}

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

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

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 500;
}

.terminal-node-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: #059669;
  font-weight: 600;
}

.node-live-ring {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}

.terminal-screen {
  position: relative;
  background: #0f172a;
  overflow: hidden;
}

.hero-tech-img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.terminal-frame:hover .hero-tech-img {
  transform: scale(1.02);
}

/* Floating Telemetry Pills */
.telemetry-pill {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
  z-index: 2;
  transition: transform var(--transition-fast);
}

.telemetry-pill:hover {
  transform: translateY(-2px);
}

.pill-top-left {
  top: 18px;
  left: 18px;
}

.pill-bottom-right {
  bottom: 18px;
  right: 18px;
}

.pill-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.teal-pulse {
  background: var(--teal-primary);
  box-shadow: 0 0 10px var(--teal-primary);
}

.purple-pulse {
  background: var(--purple-primary);
  box-shadow: 0 0 10px var(--purple-primary);
}

.pill-data {
  display: flex;
  flex-direction: column;
}

.pill-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}

.pill-value {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-main);
}

.terminal-footer {
  padding: 10px 16px;
  background: #f8fafc;
  border-top: 1px solid var(--color-border-subtle);
}

.footer-telemetry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-light);
}

.node-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--purple-primary);
  margin-right: 4px;
}

.node-dot.magenta { background: var(--magenta-primary); }
.node-dot.teal { background: var(--teal-primary); }

/* ==========================================================================
   Section 2: Services
   ========================================================================== */

.services-section {
  padding-top: 96px;
  padding-bottom: 96px;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.6) 0%, #ffffff 100%);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

/* Category Tab Switcher */
.services-category-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.cat-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px 24px;
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  position: relative;
}

.cat-tab::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: transparent;
  transition: background var(--transition-fast);
}

.cat-tab:hover {
  border-color: var(--color-border-medium);
  background: var(--color-surface-subtle);
}

.cat-tab.active {
  background: #ffffff;
  border-color: var(--purple-primary);
  box-shadow: var(--shadow-md);
}

.cat-tab.active::before {
  background: var(--brand-gradient);
}

.tab-indicator {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-faint);
  margin-bottom: 6px;
}

.cat-tab.active .tab-indicator {
  color: var(--purple-primary);
}

.tab-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.tab-count {
  font-size: 0.8125rem;
  color: var(--text-light);
}

/* Service Category Panels */
.services-matrix-wrapper {
  position: relative;
  margin-bottom: 32px;
}

.service-category-panel {
  display: none;
  animation: fadeInPanel 0.35s ease forwards;
}

.service-category-panel.active {
  display: block;
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.category-header-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border-bottom: none;
}

.cat-code {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--teal-hover);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 4px;
}

.cat-meta h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.cat-meta p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 650px;
}

.cat-tag-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(124, 58, 237, 0.08);
  color: var(--purple-primary);
  border: 1px solid rgba(124, 58, 237, 0.2);
  white-space: nowrap;
}

/* Clean, Non-Oversized Service Grid */
.services-clean-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1px;
  background: var(--color-border-subtle);
  border: 1px solid var(--color-border-subtle);
}

.service-strip-item {
  background: #ffffff;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
  position: relative;
}

.service-strip-item:hover {
  background: #fdfdfd;
  box-shadow: inset 0 0 0 1px var(--purple-primary);
  z-index: 2;
}

.service-strip-item.featured {
  background: #fafbff;
}

.strip-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.strip-node {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-primary);
  flex-shrink: 0;
}

.strip-node.magenta { background: var(--magenta-primary); }
.strip-node.purple { background: var(--purple-primary); }
.strip-node.gradient {
  background: var(--brand-gradient);
}

.strip-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-main);
  flex-grow: 1;
}

.strip-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-light);
  background: var(--color-surface-hover);
  padding: 3px 8px;
  border-radius: 3px;
  white-space: nowrap;
}

.strip-desc {
  font-size: 0.8875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.strip-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.strip-tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-light);
  background: #f1f5f9;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid rgba(226, 232, 240, 0.8);
}

/* Service Footer Strip */
.services-footer-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  gap: 20px;
  flex-wrap: wrap;
}

.strip-cta-text {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.strip-cta-text strong {
  color: var(--text-main);
}

/* ==========================================================================
   Section 3: About WEBATTACH
   ========================================================================== */

.about-section {
  padding-top: 104px;
  padding-bottom: 104px;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}

.about-text-column .lead-text {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.65;
  margin-bottom: 20px;
}

.about-text-column .body-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.highlight-box {
  padding: 16px 20px;
  background: #f8fafc;
  border-left: 3px solid var(--purple-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 36px;
}

.about-stat-box {
  display: flex;
  gap: 14px;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
}

.stat-icon-wrapper {
  flex-shrink: 0;
}

.stat-heading {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.stat-text {
  font-size: 0.8125rem;
  color: var(--text-light);
  line-height: 1.45;
}

/* Right Column Architecture Card */
.about-visual-card {
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.card-visual-top {
  position: relative;
  overflow: hidden;
  background: #0f172a;
}

.about-systems-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-visual-card:hover .about-systems-img {
  transform: scale(1.03);
}

.topology-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(15, 23, 42, 0.85);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.ping-circle {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-primary);
  box-shadow: 0 0 6px var(--teal-primary);
}

.card-visual-body {
  padding: 24px;
}

.node-schema {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.schema-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
}

.schema-node-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--purple-primary);
  background: rgba(124, 58, 237, 0.08);
  padding: 3px 8px;
  border-radius: 3px;
  flex-shrink: 0;
}

.schema-link {
  width: 16px;
  height: 1px;
  background: var(--color-border-medium);
  flex-shrink: 0;
}

.schema-text {
  font-weight: 600;
  color: var(--text-main);
}

.node-schema-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-subtle);
}

.schema-meta-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Section 4: Why WEBATTACH
   ========================================================================== */

.why-section {
  padding-top: 96px;
  padding-bottom: 104px;
  background: #f8fafc;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  position: relative;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.why-card {
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-fast);
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-border-subtle);
  transition: background var(--transition-fast);
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-medium);
}

.why-card.card-teal:hover::before { background: var(--teal-primary); }
.why-card.card-purple:hover::before { background: var(--purple-primary); }
.why-card.card-magenta:hover::before { background: var(--magenta-primary); }
.why-card.card-gradient:hover::before { background: var(--brand-gradient); }

.why-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.why-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-light);
}

.why-node-accent {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--color-border-medium);
  background: #ffffff;
}

.why-card:hover .why-node-accent {
  border-color: var(--purple-primary);
  background: var(--purple-primary);
}

.why-card-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.why-card-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
  flex-grow: 1;
}

.why-blueprint {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px dashed var(--color-border-subtle);
}

.blueprint-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.bp-icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--teal-primary);
}

.why-trust-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.trust-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.trust-icon {
  color: var(--purple-primary);
  font-size: 0.9rem;
}

/* ==========================================================================
   Section 5: Contact CTA
   ========================================================================== */

.contact-section {
  padding-top: 104px;
  padding-bottom: 112px;
  position: relative;
  overflow: hidden;
}

.contact-card-wrapper {
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
  padding: 44px 40px;
  max-width: 100%;
}

/* Corner Technical Node Accents */
.corner-node {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #ffffff;
  border: 2px solid var(--purple-primary);
}

.corner-tl { top: -1px; left: -1px; }
.corner-tr { top: -1px; right: -1px; }
.corner-bl { bottom: -1px; left: -1px; }
.corner-br { bottom: -1px; right: -1px; }

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 44px;
  align-items: center;
  width: 100%;
}

.contact-layout > * {
  min-width: 0;
  max-width: 100%;
}

.contact-hero-heading {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-main);
}

.contact-subtext {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.contact-detail-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.detail-val {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
}

.assurance-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: #f8fafc;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-light);
  line-height: 1.5;
}

.shield-icon {
  font-size: 1rem;
}

/* Direct Email Action Hub */
.direct-email-highlight {
  color: var(--purple-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  transition: color var(--transition-fast);
}

.direct-email-highlight:hover {
  color: var(--teal-primary);
  text-decoration: underline;
}

.contact-action-panel {
  display: flex;
  align-items: stretch;
}

.email-direct-box {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.email-direct-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--brand-gradient);
}

.email-direct-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.header-tag-cluster {
  display: flex;
  align-items: center;
  gap: 8px;
}

.email-badge-node {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-primary);
  box-shadow: 0 0 8px var(--teal-primary);
}

.email-badge-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--teal-hover);
}

.direct-sla-pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(0, 210, 180, 0.08);
  border: 1px solid rgba(0, 210, 180, 0.28);
  color: #0d9488;
}

/* Focused Channel Card */
.email-channel-card {
  background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px 20px 18px 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.email-address-display {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 16px;
}

.email-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.06em;
}

.email-main-link {
  font-family: var(--font-mono);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
  word-break: break-all;
}

.email-main-link:hover {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transform: translateX(2px);
}

.email-cta-buttons {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 10px;
}

.email-btn-primary {
  padding: 12px 18px;
  font-size: 0.8875rem;
}

.email-btn-copy {
  padding: 12px 16px;
  font-size: 0.84rem;
  font-weight: 600;
}

.email-btn-copy.copied {
  background: #f0fdf4;
  color: #166534;
  border-color: #86efac;
}

/* 3-Step Engagement Telemetry Pipeline */
.engagement-steps-strip {
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.steps-strip-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--purple-primary);
  margin-bottom: 10px;
}

.steps-flow-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.step-mini {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.step-mini-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--teal-hover);
  background: rgba(0, 210, 180, 0.08);
  padding: 3px 6px;
  border-radius: 4px;
  border: 1px solid rgba(0, 210, 180, 0.25);
  flex-shrink: 0;
}

.step-mini-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.step-mini-text strong {
  font-size: 0.7875rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

.step-mini-text span {
  font-size: 0.6875rem;
  color: var(--text-light);
  line-height: 1.25;
}

.step-mini-arrow {
  color: var(--purple-light);
  font-weight: 700;
  font-size: 0.8125rem;
  user-select: none;
  flex-shrink: 0;
}

/* Quick Topic Pills */
.quick-topics-block {
  padding-top: 14px;
  border-top: 1px dashed var(--color-border-subtle);
}

.topics-heading {
  font-family: var(--font-mono);
  font-size: 0.7125rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 8px;
}

.topic-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.topic-pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  background: #f8fafc;
  padding: 5px 11px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
}

.topic-pill:hover {
  background: #ffffff;
  border-color: var(--purple-primary);
  color: var(--purple-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Trust Micro-Indicators */
.inquiry-trust-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-light);
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
  flex-wrap: wrap;
  gap: 6px;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.trust-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal-primary);
}

.trust-divider {
  color: var(--color-border-subtle);
}

.copy-toast {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  display: none;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

/* ==========================================================================
   Section 6: Footer
   ========================================================================== */

.site-footer {
  background: #0f172a;
  color: #ffffff;
  padding-top: 80px;
  padding-bottom: 40px;
  border-top: 1px solid #1e293b;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brand-gradient);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.3fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid #1e293b;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 20px;
  background: transparent;
  padding: 0;
}

.footer-tagline {
  font-size: 0.9rem;
  color: #94a3b8;
  line-height: 1.65;
  margin-bottom: 24px;
}

.footer-legal-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: #1e293b;
  border-radius: var(--radius-sm);
  border: 1px solid #334155;
  width: fit-content;
}

.eu-flag-svg {
  border-radius: 2px;
  flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.eu-badge-text {
  display: flex;
  flex-direction: column;
}

.eu-badge-text strong {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  letter-spacing: 0.06em;
  color: #ffffff;
}

.eu-badge-text span {
  font-size: 0.725rem;
  color: #94a3b8;
}

.footer-col-title {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #ffffff;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--teal-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.8875rem;
  color: #94a3b8;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

/* Corporate ID Card in Footer */
.corp-id-card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.corp-name {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #ffffff;
  border-bottom: 1px solid #334155;
  padding-bottom: 8px;
}

.corp-field-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8125rem;
}

.corp-val-email {
  font-family: var(--font-mono);
  color: var(--teal-primary);
  font-weight: 700;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.corp-val-email:hover {
  color: #ffffff;
  text-decoration: underline;
}

.corp-address-block {
  font-size: 0.8125rem;
  margin-top: 4px;
}

.corp-address {
  font-style: normal;
  color: #e2e8f0;
  line-height: 1.5;
  margin-top: 4px;
  padding-left: 8px;
  border-left: 2px solid var(--purple-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 0.8125rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: #94a3b8;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

.dot-sep {
  color: #475569;
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

@media (max-width: 1120px) {
  .hero-title {
    font-size: 2.85rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 70px;
  }

  .desktop-nav {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: 2.45rem;
  }

  .services-category-tabs {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .why-trust-banner {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-card-wrapper {
    padding: 32px 24px;
  }

  .about-pillars-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .services-clean-grid {
    grid-template-columns: 1fr;
  }

  .steps-flow-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .step-mini-arrow {
    display: none;
  }

  .step-mini {
    width: 100%;
  }
}

@media (max-width: 580px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .section-title {
    font-size: 2rem;
  }

  .contact-hero-heading {
    font-size: 2rem;
  }

  .contact-card-wrapper {
    padding: 24px 16px;
  }

  .corner-node {
    display: none;
  }

  .email-direct-box {
    padding: 20px 14px;
    gap: 16px;
  }

  .email-channel-card {
    padding: 16px 14px;
  }

  .email-main-link {
    font-size: 1.35rem;
  }

  .email-cta-buttons {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .email-btn-primary,
  .email-btn-copy {
    width: 100%;
    justify-content: center;
  }

  .inquiry-trust-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .trust-divider {
    display: none;
  }

  .hero-credentials {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .credential-sep {
    display: none;
  }

  .why-trust-banner {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .telemetry-pill {
    position: static;
    margin: 8px 12px;
  }

  .terminal-screen {
    padding-bottom: 12px;
  }
}