/* ==========================================================================
   OPTIMIND LABS - ULTRA-MODERN ENTERPRISE AI & CYBER-GLASS DESIGN SYSTEM
   Compact, High-Tech, Responsive & Streamlined
   ========================================================================== */

:root {
  --bg-body: #080c15;
  --bg-surface: #0c1220;
  --bg-surface-subtle: #111827;
  --bg-surface-accent: rgba(37, 99, 235, 0.08);
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(22, 33, 58, 0.85);
  --bg-glass: rgba(11, 17, 32, 0.82);
  --bg-glass-input: rgba(15, 23, 42, 0.8);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #8492a6;
  --text-inverse: #0f172a;
  --brand-navy: #0f172a;
  --brand-blue: #3b82f6;
  --brand-blue-dark: #1d4ed8;
  --brand-blue-light: rgba(59, 130, 246, 0.15);
  --brand-amber: #f59e0b;
  --brand-amber-dark: #d97706;
  --brand-amber-light: rgba(245, 158, 11, 0.15);
  --brand-teal: #06b6d4;
  --brand-cyan: #0284c7;
  --brand-emerald: #10b981;
  --brand-purple: #8b5cf6;
  --gradient-brand: linear-gradient(135deg, #1e293b 0%, #3b82f6 100%);
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #0284c7 50%, #06b6d4 100%);
  --gradient-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-blue-amber: linear-gradient(135deg, #60a5fa 0%, #38bdf8 45%, #fbbf24 100%);
  --gradient-card: linear-gradient(180deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.7) 100%);
  --gradient-hero: radial-gradient(circle at 50% -10%, rgba(37, 99, 235, 0.25) 0%, rgba(8, 12, 21, 0) 70%),
                   radial-gradient(circle at 85% 20%, rgba(245, 158, 11, 0.12) 0%, rgba(8, 12, 21, 0) 50%);
  --gradient-badge: linear-gradient(135deg, rgba(59, 130, 246, 0.18) 0%, rgba(245, 158, 11, 0.18) 100%);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(59, 130, 246, 0.45);
  --border-amber: rgba(245, 158, 11, 0.45);
  --border-cyan: rgba(6, 182, 212, 0.45);
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.35);
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1240px;
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 15px;
  color-scheme: dark;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 35%, rgba(245, 158, 11, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(6, 182, 212, 0.06) 0%, transparent 50%),
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: 0;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #090d16; }
::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #334155; }
::selection { background: rgba(59, 130, 246, 0.35); color: #ffffff; }

a { color: inherit; text-decoration: none; transition: all var(--transition-fast); }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 42px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 28px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--brand-teal);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: 0 2px 10px rgba(6, 182, 212, 0.15);
}

.section-tag svg { width: 12px; height: 12px; }

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  line-height: 1.18;
  color: #ffffff;
  margin-bottom: 8px;
  letter-spacing: -0.025em;
}

.section-subtitle {
  font-size: clamp(0.88rem, 1.2vw, 0.98rem);
  color: var(--text-secondary);
  line-height: 1.55;
}

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

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

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

.amber-text { color: var(--brand-amber); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.65);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.8);
  color: #ffffff;
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-xs);
  backdrop-filter: blur(10px);
}

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

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--brand-blue);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
  animation: pulse-blue 2s infinite;
}

@keyframes pulse-blue {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(59, 130, 246, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.glass-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 10px 0;
  background: rgba(8, 12, 21, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  padding: 8px 0;
  background: rgba(8, 12, 21, 0.96);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid var(--border-medium);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: transparent;
  border: none;
  padding: 0;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: none !important;
  mix-blend-mode: normal !important;
  display: block;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #ffffff;
  display: flex;
  align-items: center;
  line-height: 1.05;
}

.brand-name .accent {
  color: #06b6d4;
  text-shadow: none;
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #06b6d4;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-link {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-teal);
  box-shadow: 0 0 6px var(--brand-teal);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-phone-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffffff;
  background: rgba(15, 23, 42, 0.8);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-medium);
  white-space: nowrap;
}

.nav-phone-btn svg { width: 13px; height: 13px; color: var(--brand-teal); }
.nav-phone-btn:hover { background: rgba(6, 182, 212, 0.15); border-color: var(--brand-teal); }

.menu-toggle {
  display: none;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-medium);
  color: #ffffff;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   HERO SECTION (COMPACT & CLEAN)
   ========================================================================== */

.hero-section {
  padding-top: 92px;
  padding-bottom: 36px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.45;
  pointer-events: none;
}

.hero-grid-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 30px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content { max-width: 620px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gradient-badge);
  border: 1px solid var(--border-amber);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.2);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 14px;
}

.hero-description {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 35px rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--bg-card);
}

.hero-img-wrap img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   TRUST MARQUEE
   ========================================================================== */

.trust-marquee-section {
  padding: 18px 0;
  background: rgba(12, 18, 32, 0.85);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
  position: relative;
}

.marquee-title {
  text-align: center;
  font-size: 0.74rem;
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-amber);
  margin-bottom: 12px;
}

.marquee-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
}

.marquee-track:hover { animation-play-state: paused; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-light);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.marquee-item svg { width: 14px; height: 14px; color: var(--brand-teal); }

/* ==========================================================================
   CORE SERVICES PORTFOLIO
   ========================================================================== */

.services-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover { border-color: var(--brand-blue); color: #ffffff; }

.filter-btn.active {
  background: var(--gradient-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  background: var(--bg-card-hover);
}

.service-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--brand-blue);
}

.service-icon-wrap svg { width: 22px; height: 22px; }

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.service-card-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 14px;
}

.service-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.service-features-list li {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 7px;
}

.service-features-list li svg { width: 13px; height: 13px; color: var(--brand-teal); flex-shrink: 0; margin-top: 3px; }

/* ==========================================================================
   WHY US / ENGINEERING BLUEPRINT
   ========================================================================== */

.about-grid-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.value-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-xs);
  backdrop-filter: blur(15px);
  transition: all var(--transition-fast);
}

.value-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.value-card-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.value-card-title {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.value-card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.about-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.about-img-wrap img { width: 100%; height: auto; object-fit: cover; display: block; }

.about-floating-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.about-floating-badge .title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #ffffff;
}

.about-floating-badge .sub {
  font-size: 0.72rem;
  color: var(--brand-amber);
  margin-left: 14px;
}

/* ==========================================================================
   BENTO TECHNOLOGY MATRIX (PERFECT ALIGNMENT)
   ========================================================================== */

.tech-categories-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.tech-cat-btn {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tech-cat-btn:hover { border-color: var(--brand-blue); color: #ffffff; }

.tech-cat-btn.active {
  background: var(--gradient-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.tech-bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.tech-bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(20px);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.tech-bento-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.tech-bento-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  gap: 8px;
}

.tech-bento-title-group { display: flex; align-items: center; gap: 10px; }

.tech-bento-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-blue);
  flex-shrink: 0;
}

.tech-bento-icon svg { width: 18px; height: 18px; }
.tech-bento-title { font-family: var(--font-heading); font-size: 0.96rem; font-weight: 700; color: #ffffff; }

.tech-bento-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--brand-amber);
  white-space: nowrap;
  flex-shrink: 0;
}

.tech-chips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: auto;
}

.tech-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border-light);
  padding: 7px 10px;
  border-radius: var(--radius-xs);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  min-width: 0;
}

.tech-chip:hover {
  border-color: var(--brand-blue);
  color: #ffffff;
  background: rgba(59, 130, 246, 0.15);
  transform: translateY(-1px);
}

.tech-chip svg {
  width: 13px;
  height: 13px;
  color: var(--brand-teal);
  flex-shrink: 0;
}

.tech-chip span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   DOMAIN EXPERTISE SHOWCASE
   ========================================================================== */

.industry-tabs-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.industry-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.84rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.industry-tab-btn svg { width: 15px; height: 15px; color: var(--brand-teal); }
.industry-tab-btn:hover { border-color: var(--brand-blue); color: #ffffff; }

.industry-tab-btn.active {
  background: var(--gradient-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.45);
}

.industry-tab-btn.active svg { color: #ffffff; }

.industry-content-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  align-items: center;
}

.industry-detail h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

.industry-detail p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 18px;
}

.industry-highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.highlight-box {
  background: rgba(11, 17, 32, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.highlight-box h4 {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.84rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 3px;
}

.highlight-box h4 svg { width: 13px; height: 13px; color: var(--brand-amber); }
.highlight-box p { font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; margin-bottom: 0; }

.industry-img-box {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md), 0 0 25px rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.industry-img-box img { width: 100%; height: auto; object-fit: cover; display: block; }



/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */

.faq-accordion {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  backdrop-filter: blur(20px);
  transition: all var(--transition-fast);
}

.faq-item.active { border-color: var(--border-accent); box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15); }

.faq-question {
  padding: 14px 18px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-icon-arrow { width: 16px; height: 16px; color: var(--brand-teal); transition: transform var(--transition-fast); flex-shrink: 0; }
.faq-item.active .faq-icon-arrow { transform: rotate(180deg); }

.faq-answer {
  padding: 0 18px 14px 18px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
  display: none;
}

.faq-item.active .faq-answer { display: block; }

/* ==========================================================================
   SITE FOOTER (SYMMETRICAL & CLEAN)
   ========================================================================== */

.site-footer {
  background: #060910;
  border-top: 1px solid var(--border-light);
  padding: 40px 0 18px 0;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}

.footer-brand-col p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links-list a { font-size: 0.78rem; color: var(--text-muted); }
.footer-links-list a:hover { color: var(--brand-teal); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 0.74rem;
  color: var(--text-muted);
}

.footer-bottom a:hover { color: var(--brand-teal); }

/* ==========================================================================
   TOAST & FLOATING ACTIONS
   ========================================================================== */

.toast-notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #0f172a;
  border: 1px solid var(--brand-teal);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7), 0 0 16px rgba(6, 182, 212, 0.3);
  display: none;
  align-items: center;
  gap: 10px;
  z-index: 3000;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.82rem;
}

.toast-notification.show { display: flex; animation: toast-slide 0.3s cubic-bezier(0.16, 1, 0.3, 1); }

@keyframes toast-slide {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.floating-actions-bar {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 900;
}

.float-action-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.5);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.float-action-btn:hover { transform: scale(1.1); }
.float-action-btn.whatsapp { background: #25d366; box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45); }
.float-action-btn.email { background: #0f2b48; box-shadow: 0 4px 16px rgba(15, 43, 72, 0.5); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid-layout { grid-template-columns: 1fr; text-align: center; gap: 28px; }
  .hero-content { max-width: 100%; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-bento-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid-layout { grid-template-columns: 1fr; }
  .industry-content-card { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-menu { gap: 14px; }
}

@media (max-width: 768px) {
  .section { padding: 32px 0; }
  .site-header { padding: 8px 0; }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(8, 12, 21, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-medium);
    border-top: 1px solid var(--border-light);
    gap: 8px;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.8);
    z-index: 1000;
  }
  .nav-menu.open { display: flex; animation: mobile-nav-slide 0.2s cubic-bezier(0.16, 1, 0.3, 1); }
  
  @keyframes mobile-nav-slide {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .nav-link { display: block; width: 100%; padding: 10px 14px; font-size: 0.92rem; border-radius: var(--radius-xs); }
  .nav-link:hover, .nav-link.active { background: rgba(59, 130, 246, 0.15); color: #ffffff; }
  .nav-link::after { display: none; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-phone-btn span { display: none; }
  .nav-phone-btn { padding: 6px 8px; }

  .industry-tabs-wrap,
  .services-filter-bar,
  .tech-categories-nav {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    gap: 6px;
    padding: 2px 2px 8px 2px;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .industry-tabs-wrap::-webkit-scrollbar,
  .services-filter-bar::-webkit-scrollbar,
  .tech-categories-nav::-webkit-scrollbar { display: none; }
  
  .industry-tab-btn, .filter-btn, .tech-cat-btn {
    flex-shrink: 0;
    scroll-snap-align: start;
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  .services-grid { grid-template-columns: 1fr; gap: 14px; }
  .tech-bento-grid { grid-template-columns: 1fr; gap: 14px; }
  .value-cards-grid { grid-template-columns: 1fr; gap: 10px; }
  .industry-highlights-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .industry-content-card { padding: 20px 14px; }
  .floating-actions-bar { bottom: 14px; right: 14px; gap: 8px; }
  .float-action-btn { width: 40px; height: 40px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.85rem; }
  .section-title { font-size: 1.5rem; }
  .brand-name { font-size: 1.3rem; }
  .brand-sub { font-size: 0.65rem; }
  .logo-img-wrap { width: 40px; height: 40px; }
  .btn { width: 100%; }
}