@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700;800&display=swap');

/* --- DESIGN SYSTEM TOKENS --- */
:root {
  /* Colors */
  --bg-space: #07080d;
  --bg-card: rgba(17, 19, 28, 0.45);
  --bg-card-hover: rgba(26, 29, 43, 0.6);
  --accent-cyan: #00f2fe;
  --accent-purple: #7f00ff;
  --accent-cyan-glow: rgba(0, 242, 254, 0.15);
  --accent-purple-glow: rgba(127, 0, 255, 0.15);
  --gradient-primary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 40%, #a5b4fc 100%);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-cyber: rgba(127, 0, 255, 0.15);
  --border-cyber-hover: rgba(0, 242, 254, 0.35);
  --border-glass: rgba(255, 255, 255, 0.08);
  --shadow-glow: 0 0 25px var(--accent-cyan-glow);

  /* Spacing Scale */
  --space-3xs: 2px;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 64px;
  --space-3xl: 128px;

  /* Typography Scale */
  --text-3xs: 0.56rem;
  --text-2xs: 0.69rem;
  --text-xs: 0.75rem;
  --text-sm: 0.88rem;
  --text-md: 1rem;
  --text-lg: 1.13rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3.25rem;

  /* Effects */
  --blur-glass: blur(12px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET & BASIC STYLES --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-space);
  color: var(--text-primary);
  overflow-x: hidden;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background animated mesh gradient fallback */
.bg-mesh-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  overflow: hidden;
  background-color: var(--bg-space);
}

.bg-mesh-glow::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(127, 0, 255, 0.08) 0%, transparent 40%),
              radial-gradient(circle at 70% 70%, rgba(0, 242, 254, 0.08) 0%, transparent 40%);
  animation: rotateMesh 20s linear infinite;
}

@keyframes rotateMesh {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Canvas overlay for ThreeJS sphere background */
#hero-canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none; /* Let clicks pass through to text buttons */
}

/* --- COMMON LAYOUT & SPACING --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

section {
  padding: var(--space-2xl) 0;
  position: relative;
}

/* --- HEADER / STICKY NAV --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-normal);
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid var(--border-glass);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  font-family: 'Outfit', sans-serif;
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 1px;
}

.logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-left: 2px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

nav a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

nav a::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--text-2xl);
  cursor: pointer;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-family: 'Inter', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #000;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: var(--blur-glass);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.05);
}

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

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}

.title-center {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.title-center h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-xs);
}

.title-center p {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* --- GLASSMORPHISM CARDS --- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-cyber);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top left, rgba(0, 242, 254, 0.03), transparent 60%);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-cyber-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.04), 0 0 20px rgba(127, 0, 255, 0.03);
}

/* --- HERO SECTION --- */
.hero-wrapper {
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding-top: 100px;
  position: relative;
}

.hero-content {
  width: 55%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  z-index: 10;
}

.hero-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--accent-cyan);
  font-size: var(--text-2xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-content h1 {
  font-size: var(--text-4xl);
  line-height: 1.1;
  font-weight: 800;
}

.hero-content p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xs);
}

/* --- STATS SECTION --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: var(--space-xl) 0;
  background: linear-gradient(90deg, transparent, rgba(127,0,255,0.02) 50%, transparent);
}

.stat-item {
  text-align: center;
}

.stat-item h3 {
  font-size: var(--text-3xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-3xs);
}

.stat-item p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* --- SERVICES TEASER & CATALOG --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: left;
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(127, 0, 255, 0.1);
  border: 1px solid rgba(127, 0, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3xs);
}

.service-card:hover .service-icon {
  background: rgba(0, 242, 254, 0.1);
  border-color: rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
}

.service-card h3 {
  font-size: var(--text-xl);
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: auto;
  padding-top: var(--space-sm);
}

.tech-tag {
  font-size: var(--text-3xs);
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
}

/* --- TAB FILTER --- */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.tab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover, .tab-btn.active {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.05);
}

/* --- ABOUT US STYLES --- */
.about-hero {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-xl);
}

.about-hero h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-sm);
}

.about-hero p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.about-text p {
  color: var(--text-secondary);
  font-size: var(--text-md);
}

.about-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.secure-graphic-node {
  width: 100%;
  max-width: 420px;
  height: 300px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at center, rgba(127, 0, 255, 0.08), transparent 70%);
  border: 1px dashed var(--border-cyber);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.graphic-core {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  color: #000;
  box-shadow: 0 0 30px var(--accent-cyan);
}

/* --- WORK SHOWCASE --- */
.showcase-stream {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.showcase-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  
  /* Initial state for scroll reveal */
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.showcase-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.showcase-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  opacity: 0;
  transition: opacity 0.8s ease 0.2s, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  will-change: transform, opacity;
}

.showcase-visual {
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  height: 340px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  opacity: 0;
  transition: opacity 0.8s ease 0.4s, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
  will-change: transform, opacity;
}

/* Alternating scroll slide directions */
.showcase-card:nth-child(odd) .showcase-info {
  transform: translateX(-50px);
}
.showcase-card:nth-child(odd) .showcase-visual {
  transform: translateX(50px);
}
.showcase-card:nth-child(even) .showcase-info {
  transform: translateX(50px);
}
.showcase-card:nth-child(even) .showcase-visual {
  transform: translateX(-50px);
}

/* Revealed active states */
.showcase-card.revealed .showcase-info,
.showcase-card.revealed .showcase-visual {
  opacity: 1;
  transform: translateX(0);
}

@keyframes border-glow-sweep {
  0% {
    border-color: var(--border-cyber);
    box-shadow: none;
  }
  50% {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.25);
  }
  100% {
    border-color: var(--border-cyber);
    box-shadow: none;
  }
}

.showcase-card.revealed {
  animation: border-glow-sweep 2s cubic-bezier(0.25, 1, 0.5, 1) 0.4s;
}

.showcase-info h3 {
  font-size: var(--text-2xl);
}

.showcase-metrics {
  display: flex;
  gap: var(--space-lg);
  margin: var(--space-sm) 0;
}

.metric-box {
  background: rgba(255,255,255,0.02);
  border-left: 3px solid var(--accent-cyan);
  padding: 6px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.metric-box h4 {
  font-size: var(--text-xl);
  color: var(--text-primary);
}

.metric-box p {
  font-size: var(--text-3xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.showcase-code-mockup {
  font-family: monospace;
  font-size: var(--text-xs);
  color: #a5b4fc;
  padding: var(--space-md);
  width: 100%;
}

/* Code block typing/fade-in animation stagger */
.showcase-code-mockup pre span {
  opacity: 0;
  display: inline-block;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.showcase-card.revealed .showcase-code-mockup pre span {
  opacity: 1;
  transform: translateY(0);
}

.showcase-card.revealed .showcase-code-mockup pre span:nth-child(1) { transition-delay: 0.6s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(2) { transition-delay: 0.7s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(3) { transition-delay: 0.8s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(4) { transition-delay: 0.9s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(5) { transition-delay: 1.0s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(6) { transition-delay: 1.1s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(7) { transition-delay: 1.2s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(8) { transition-delay: 1.3s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(9) { transition-delay: 1.4s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(10) { transition-delay: 1.5s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(11) { transition-delay: 1.6s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(12) { transition-delay: 1.7s; }
.showcase-card.revealed .showcase-code-mockup pre span:nth-child(13) { transition-delay: 1.8s; }


/* --- TESTIMONIALS --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.testimonial-card p {
  font-style: italic;
  color: var(--text-secondary);
}

.client-profile {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: auto;
}

.client-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: #000;
}

.client-meta h4 {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.client-meta p {
  font-size: var(--text-xs);
  font-style: normal;
  color: var(--text-muted);
}

.cta-banner {
  background: linear-gradient(135deg, rgba(127,0,255,0.1), rgba(0,242,254,0.1)), var(--bg-card);
  border: 1px solid var(--border-cyber-hover);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.cta-banner h2 {
  font-size: var(--text-3xl);
}

.cta-banner p {
  max-width: 600px;
  color: var(--text-secondary);
}

/* --- CONTACT US FORM --- */
.contact-split {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-2xl);
  margin-top: var(--space-lg);
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-info-col h2 {
  font-size: var(--text-2xl);
}

.contact-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-step-item {
  display: flex;
  gap: var(--space-sm);
}

.contact-step-num {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  color: var(--accent-cyan);
  font-size: var(--text-lg);
}

.contact-step-text h4 {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.contact-step-text p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.contact-form-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
}

.form-group label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 600;
}

.form-group input, .form-group select, .form-group textarea {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--text-sm);
  outline: none;
  transition: var(--transition-fast);
}

.form-group select option {
  background: #0f111a;
  color: var(--text-primary);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  cursor: pointer;
  user-select: none;
  margin: var(--space-xs) 0;
}

.form-checkbox input {
  margin-top: 4px;
}

.form-checkbox label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  cursor: pointer;
}

.form-success-state {
  text-align: center;
  padding: var(--space-xl) 0;
  display: none;
}

.form-success-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(0,242,254,0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  margin: 0 auto var(--space-md);
}

/* --- FOOTER --- */
footer {
  border-top: 1px solid var(--border-glass);
  padding: var(--space-2xl) 0;
  background: #040508;
  position: relative;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-links {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

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

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

.copyright {
  font-size: var(--text-2xs);
  color: var(--text-muted);
}

/* --- RESPONSIVE STYLES --- */
@media (max-width: 1024px) {
  :root {
    --text-4xl: 2.75rem;
    --text-3xl: 2rem;
  }
  
  .hero-content {
    width: 70%;
  }
}

@media (max-width: 768px) {
  :root {
    --text-4xl: 2.25rem;
    --text-3xl: 1.75rem;
    --text-2xl: 1.35rem;
  }
  
  section {
    padding: var(--space-xl) 0;
  }
  
  .hero-wrapper {
    flex-direction: column;
    justify-content: center;
    padding-top: 120px;
    min-height: auto;
    padding-bottom: var(--space-xl);
  }
  
  .hero-content {
    width: 100%;
    text-align: center;
    align-items: center;
  }
  
  #hero-canvas-container {
    display: none;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .about-split {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .showcase-card {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-split {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
  
  .footer-links {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm) var(--space-md);
    padding: 0;
    width: 100%;
  }
  
  .copyright {
    width: 100%;
    text-align: center;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: #090a0f;
    border-bottom: 1px solid var(--border-glass);
    padding: var(--space-lg);
  }
  
  nav.active {
    display: block;
  }
  
  nav ul {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }
  
  /* Fix nav CTA button alignment in mobile drawer */
  nav ul li:last-child .btn {
    margin-left: 0 !important;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  /* --- FILTER TABS: wrap for mobile --- */
  .filter-tabs {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }
  
  .tab-btn {
    padding: 8px 14px;
    font-size: var(--text-xs);
  }
  
  /* --- CTA BANNER: reduce excessive padding --- */
  .cta-banner {
    padding: var(--space-xl) var(--space-md);
  }
  
  .cta-banner h2 {
    font-size: var(--text-2xl);
  }
  
  /* --- ABOUT HERO: hide forced <br> on mobile --- */
  .desktop-br {
    display: none;
  }
  
  /* --- ABOUT: reduce top padding on subpages --- */
  .about-hero {
    padding-top: 100px;
  }
  
  /* --- SECURE GRAPHIC: reduce height on mobile --- */
  .secure-graphic-node {
    height: 200px;
    max-width: 300px;
  }
  
  /* --- SHOWCASE: fix translateX horizontal overflow --- */
  .showcase-card:nth-child(odd) .showcase-info,
  .showcase-card:nth-child(even) .showcase-info {
    transform: translateY(20px);
  }
  
  .showcase-card:nth-child(odd) .showcase-visual,
  .showcase-card:nth-child(even) .showcase-visual {
    transform: translateY(20px);
  }
  
  .showcase-card.revealed .showcase-info,
  .showcase-card.revealed .showcase-visual {
    transform: translateY(0);
  }
  
  /* --- SHOWCASE VISUAL: auto height on mobile --- */
  .showcase-visual {
    height: auto;
    min-height: 200px;
  }
  
  /* --- CODE BLOCKS: prevent horizontal page overflow --- */
  .showcase-code-mockup {
    font-size: var(--text-2xs);
  }
  
  .showcase-code-mockup pre {
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
  }
  
  /* --- SHOWCASE METRICS: wrap on narrow screens --- */
  .showcase-metrics {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  /* --- SERVICE MODAL: tighter padding, single-column details --- */
  .modal-content-wrapper {
    padding: var(--space-md);
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
  }
  
  .modal-details-grid {
    grid-template-columns: 1fr;
  }
  
  /* --- SUBPAGE TOP PADDING: reduce 128px whitespace --- */
  [style*="padding-top: var(--space-3xl)"] {
    padding-top: 100px !important;
  }
  
  /* --- TESTIMONIALS GRID: enforce 1-column (also for about.html values) --- */
  .testimonials-grid {
    grid-template-columns: 1fr !important;
  }
  
  /* --- STATS GRID: tighter on mobile --- */
  .stats-grid {
    gap: var(--space-sm);
  }
  
  .stat-item {
    padding: var(--space-sm) 0;
  }
}

/* --- SERVICES DETAILS LINK --- */
.service-details-link {
  color: var(--accent-cyan);
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  transition: var(--transition-fast);
  padding-top: var(--space-sm);
  align-self: flex-start;
  z-index: 2;
}

.service-details-link:hover {
  color: var(--text-primary);
  transform: translateX(3px);
}

/* --- DETAILS MODAL STYLING --- */
.service-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 5, 8, 0.85);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 1000;
}

.service-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content-wrapper {
  background: #0f111a;
  border: 1px solid var(--border-cyber-hover);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 600px;
  width: 90%;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.service-modal.active .modal-content-wrapper {
  transform: scale(1);
}

.close-modal-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: var(--text-xl);
  cursor: pointer;
  transition: var(--transition-fast);
}

.close-modal-btn:hover {
  color: var(--text-primary);
}

.modal-body h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.modal-body p {
  color: var(--text-secondary);
  font-size: var(--text-md);
  margin-bottom: var(--space-md);
}

.modal-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-glass);
}

.modal-detail-item h4 {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-3xs);
}

.modal-detail-item p {
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: 0;
}

/* --- SERVICE PAGE SCROLL & HOVER ANIMATIONS --- */

/* Scroll reveal base for services */
.service-item-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.service-item-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Custom icon scale on hover */
.glass-card.service-card {
  transition: border-color var(--transition-normal), background var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card.service-card:hover {
  border-color: var(--border-cyber-hover);
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.04), 0 0 20px rgba(127, 0, 255, 0.03);
  transform: translateY(-4px);
}

.glass-card.service-card .service-icon {
  transition: all var(--transition-normal);
}

.glass-card.service-card:hover .service-icon {
  background: rgba(0, 242, 254, 0.1);
  border-color: rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
  transform: scale(1.05);
}

/* --- HOW WE WORK PIPELINE STYLES --- */
.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  position: relative;
  margin-top: var(--space-lg);
}

.pipeline-grid::before {
  content: "";
  position: absolute;
  top: 60px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: repeating-linear-gradient(90deg, transparent, transparent 4px, rgba(255, 255, 255, 0.06) 4px, rgba(255, 255, 255, 0.06) 8px);
  z-index: 0;
}

@keyframes pipeline-flow {
  0% { left: 12%; width: 0%; opacity: 0; }
  15% { opacity: 0.8; }
  85% { opacity: 0.8; }
  100% { left: 12%; width: 76%; opacity: 0; }
}

.pipeline-grid::after {
  content: "";
  position: absolute;
  top: 60px;
  left: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  z-index: 0;
  animation: pipeline-flow 4.5s linear infinite;
}

.pipeline-card {
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.pipeline-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .pipeline-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .pipeline-grid::before, .pipeline-grid::after {
    display: none;
  }
}

/* --- SHOWCASE PROJECT IMAGES --- */
.showcase-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  border-radius: var(--radius-md);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.showcase-visual:hover .showcase-img {
  transform: scale(1.03);
}

/* --- MOBILE PHONE FRAME DEVICE MOCKUP --- */
.showcase-visual--mobile {
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) 0;
}

.phone-frame {
  position: relative;
  width: 220px;
  height: 440px;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-radius: 36px;
  background: #0a0b10;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04),
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 30px rgba(0, 242, 254, 0.05),
    inset 0 0 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
}

.phone-frame:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 40px rgba(0, 242, 254, 0.1),
    inset 0 0 20px rgba(0, 0, 0, 0.3);
}

.phone-notch {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 22px;
  background: #0a0b10;
  border-radius: 0 0 14px 14px;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-top: none;
}

.phone-notch::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 4px rgba(0, 242, 254, 0.15);
}

.showcase-img--mobile {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 33px;
}

/* Phone frame responsive adjustment */
@media (max-width: 768px) {
  .phone-frame {
    width: 180px;
    height: 360px;
    border-radius: 30px;
  }

  .showcase-img--mobile {
    border-radius: 27px;
  }
  
  .phone-notch {
    width: 60px;
    height: 18px;
    border-radius: 0 0 10px 10px;
  }
  
  .showcase-visual--mobile {
    height: auto;
    min-height: auto;
    padding: var(--space-sm) 0;
  }
}

/* --- MULTI-LAYERED TECH ARCHITECTURE --- */
.tech-architecture-section {
  position: relative;
  height: 400vh; /* Define height for scroll distance (4 cards) */
  padding: 0;
  margin: 0;
}

.tech-architecture-section .sticky-container {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xl);
  overflow: hidden;
}

.tech-architecture-left {
  width: 45%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  z-index: 10;
}

.tech-architecture-left h2 {
  font-size: var(--text-4xl);
  line-height: 1.1;
}

.tech-architecture-left p {
  color: var(--text-secondary);
  font-size: var(--text-md);
  max-width: 500px;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.features-list li {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  font-weight: bold;
  font-size: var(--text-sm);
  flex-shrink: 0;
  margin-top: 2px;
}

.features-list li strong {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: var(--text-md);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.features-list li p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.tech-architecture-right {
  width: 50%;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  position: relative;
}

.stack-layers-container {
  width: 100%;
  max-width: 460px;
  height: 280px;
  position: relative;
  transform-style: preserve-3d;
}

/* Card basic styling */
.stack-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-cyber);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.4s ease, 
              box-shadow 0.8s ease;
  transform-origin: center center;
}

.stack-layer .layer-tag {
  font-family: 'Outfit', sans-serif;
  font-size: var(--text-3xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.stack-layer .layer-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.stack-layer .layer-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.layer-techs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: auto;
}

/* 3D Stack states based on active step */
.stack-layer.off-stack {
  transform: translate3d(-140%, 40px, 80px) rotate(-15deg) scale(0.9);
  opacity: 0;
  pointer-events: none;
  z-index: 10;
}

.stack-layer.active {
  transform: translate3d(0, 0, 0) rotateX(0) rotateY(0) rotateZ(0) scale(1);
  opacity: 1;
  z-index: 5;
  border-color: var(--border-cyber-hover);
  box-shadow: 0 20px 40px rgba(0, 242, 254, 0.1), 0 0 30px rgba(0, 242, 254, 0.15);
}

.stack-layer.behind-1 {
  transform: translate3d(25px, -25px, -50px) rotateX(4deg) rotateY(-8deg) rotateZ(-3deg) scale(0.95);
  opacity: 0.75;
  z-index: 4;
  pointer-events: none;
}

.stack-layer.behind-2 {
  transform: translate3d(50px, -50px, -100px) rotateX(8deg) rotateY(-12deg) rotateZ(-5deg) scale(0.9);
  opacity: 0.45;
  z-index: 3;
  pointer-events: none;
}

.stack-layer.behind-3 {
  transform: translate3d(75px, -75px, -150px) rotateX(10deg) rotateY(-15deg) rotateZ(-7deg) scale(0.85);
  opacity: 0.15;
  z-index: 2;
  pointer-events: none;
}

.stack-layer.hidden {
  transform: translate3d(100px, -100px, -200px) scale(0.8);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

/* Responsiveness fallback for tablets and mobile */
@media (max-width: 992px) {
  .tech-architecture-section {
    height: auto !important;
    padding: var(--space-2xl) 0;
  }
  
  .tech-architecture-section .sticky-container {
    position: relative !important;
    top: 0 !important;
    height: auto !important;
    flex-direction: column !important;
    gap: var(--space-xl) !important;
    overflow: visible !important;
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
  
  .tech-architecture-left {
    width: 100% !important;
  }
  
  .tech-architecture-right {
    width: 100% !important;
    height: auto !important;
    perspective: none !important;
  }
  
  .stack-layers-container {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-lg) !important;
    height: auto !important;
    max-width: 100% !important;
    transform-style: flat !important;
  }
  
  .stack-layer {
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    box-shadow: none !important;
  }
}