/* ============================================================
   Athos Code Studio - Premium Landing Page Stylesheet
   Dark-mode-first | Luxury SaaS | Minimalist Design
   Glassmorphism | Neumorphism | Gradient Lighting
   ============================================================ */

/* ===========================
   CSS Custom Properties
   =========================== */
:root {
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --primary-dark: #1D4ED8;
  --secondary: #7C3AED;
  --secondary-light: #8B5CF6;
  --accent: #06B6D4;
  --accent-light: #22D3EE;
  --success: #22C55E;
  --background: #09090B;
  --surface: #18181B;
  --surface-light: #1E1E22;
  --border: #27272A;
  --border-light: #3F3F46;
  --text: #FFFFFF;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--primary));
  --gradient-secondary: linear-gradient(135deg, var(--secondary), #EC4899);
  --glass-bg: rgba(24, 24, 27, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --neu-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-primary: 'Space Grotesk', 'Poppins', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 28px;
}

/* ===========================
   Page Loader
   =========================== */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.loader-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #D4AF37;
  font-family: var(--font-primary);
}
.loader-logo i {
  font-size: 1.75rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.loader-bar {
  width: 200px;
  height: 3px;
  border-radius: 4px;
  background: var(--border);
  overflow: hidden;
}
.loader-bar-inner {
  width: 40%;
  height: 100%;
  border-radius: 4px;
  background: var(--gradient-primary);
  animation: loader-slide 0.8s ease infinite alternate;
}
@keyframes loader-slide {
  0% { transform: translateX(0); }
  100% { transform: translateX(150px); }
}

/* ===========================
   Light Section Mode
   =========================== */
.section-light {
  --section-bg: #F8FAFC;
  --section-text: #1E293B;
  --section-text-secondary: #475569;
  --section-text-muted: #94A3B8;
  --section-surface: #FFFFFF;
  --section-surface-light: #F1F5F9;
  --section-border: #E2E8F0;
  --section-glass-bg: rgba(255, 255, 255, 0.8);
  --section-glass-border: rgba(0, 0, 0, 0.08);
  --section-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  background-color: var(--section-bg) !important;
  color: var(--section-text);
}
.section-light .section-title {
  color: var(--section-text);
}
.section-light .section-subtitle,
.section-light .section-subtitle-text {
  color: var(--section-text-secondary);
}
.section-light p,
.section-light li,
.section-light .hero-subtitle,
.section-light .about-content p {
  color: var(--section-text-secondary);
}
.section-light .stats-section {
  background: var(--section-bg);
}
.section-light .stat-card {
  background: var(--section-surface);
  border-color: var(--section-border);
}
.section-light .stat-card .stat-number {
  color: var(--section-text);
}
.section-light .stat-card .stat-label {
  color: var(--section-text-secondary);
}
.section-light .about-image-frame,
  .section-light .value-card,
  .section-light .solution-card,
  .section-light .testimonial-card,
  .section-light .blog-card,
  .section-light .contact-form,
  .section-light .team-card,
  .section-light .pricing-card,
  .section-light .mv-card,
  .section-light .stack-category,
  .section-light .why-card,
  .section-light .step-content {
    background: var(--section-glass-bg);
    backdrop-filter: blur(20px);
    border-color: var(--section-glass-border);
    box-shadow: var(--section-shadow);
  }
  .section-light .mv-card,
  .section-light .stack-item,
  .section-light .feature-card {
    background: var(--section-surface);
    border-color: var(--section-border);
  }
  .section-light .solution-benefits {
    background: var(--section-surface-light);
    border-color: var(--section-border);
  }
  .section-light .solution-features li,
  .section-light .solution-benefits p,
  .section-light .solution-benefits h5 {
    color: var(--section-text-secondary);
  }
  .section-light .stack-category h3 {
    color: var(--section-text);
  }
  .section-light .stack-item {
    color: var(--section-text-secondary);
    background: var(--section-surface);
    border-color: var(--section-border);
  }
  .section-light .stack-item:hover {
    color: var(--section-text);
    border-color: var(--primary);
  }
  .section-light .why-card h3,
  .section-light .why-card p {
    color: var(--section-text-secondary);
  }
.section-light .about-image-placeholder,
.section-light .blog-image {
  background: var(--section-surface-light);
}
.section-light .value-card h4,
.section-light .solution-card h3,
.section-light .stat-card .stat-number,
.section-light .section-title {
  color: var(--section-text);
}
.section-light .value-card p,
.section-light .solution-card p,
.section-light .mv-card p,
.section-light .blog-card .blog-excerpt,
.section-light .blog-content p {
  color: var(--section-text-secondary);
}
.section-light .mv-card h5,
.section-light .mv-card p {
  color: var(--section-text-secondary);
}
.section-light .process-step {
  background: var(--section-surface);
  border-color: var(--section-border);
}
.section-light .process-step h3,
.section-light .process-step p {
  color: var(--section-text-secondary);
}
.section-light .blog-card .blog-title {
  color: var(--section-text);
}
.section-light .blog-card .blog-meta {
  color: var(--section-text-muted);
}
.section-light .blog-category {
  background: var(--section-glass-bg);
  border-color: var(--section-glass-border);
  color: var(--primary);
}
.section-light .form-group input,
.section-light .form-group textarea,
.section-light .form-group select {
  background: var(--section-surface);
  border-color: var(--section-border);
  color: var(--section-text);
}
.section-light .form-group label {
  color: var(--section-text-secondary);
}
.section-light .form-group input::placeholder,
.section-light .form-group textarea::placeholder {
  color: var(--section-text-muted);
}
.section-light .tech-stack-tag {
  background: var(--section-surface-light);
  color: var(--section-text);
  border-color: var(--section-border);
}
.section-light .stat-item {
  color: var(--section-text-secondary);
}
.section-light .stat-item strong {
  color: var(--section-text);
}
.section-light .section-header .section-subtitle {
  color: var(--section-text-secondary);
}
.section-light .section-header .section-title {
  color: var(--section-text);
}
.section-light .btn-outline-light {
  border-color: var(--section-border);
  color: var(--section-text);
}
.section-light .btn-outline-light:hover {
  background: var(--section-text);
  color: var(--section-bg);
  border-color: var(--section-text);
}
.section-light .author-content p {
  color: var(--section-text-secondary);
}
.section-light .author-stat-item {
  background: var(--section-glass-bg);
  border-color: var(--section-glass-border);
}
.section-light .author-stat-label {
  color: var(--section-text-muted);
}
.section-light .author-social-link {
  background: var(--section-glass-bg);
  border-color: var(--section-glass-border);
  color: var(--section-text-secondary);
}
.section-light .author-social-link:hover {
  background: var(--gradient-primary);
  color: var(--text);
}
.section-light .author-image {
  border-color: var(--section-glass-border);
}

/* ===========================
   CSS Reset / Normalize
   =========================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--background);
  color: var(--text);
  font-family: var(--font-secondary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

table {
  border-collapse: collapse;
}

/* Selection */
::selection {
  background: var(--primary);
  color: var(--text);
}

::-moz-selection {
  background: var(--primary);
  color: var(--text);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-light) var(--background);
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

h5 {
  font-size: 1.125rem;
  font-weight: 600;
}

h6 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

code,
pre,
kbd {
  font-family: var(--font-mono);
}

code {
  background: var(--surface);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.875em;
  color: var(--accent);
}

pre {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  overflow-x: auto;
  border: 1px solid var(--border);
}

pre code {
  background: none;
  padding: 0;
}

strong {
  font-weight: 700;
}

small {
  font-size: 0.875rem;
}

/* ===========================
   Utility Classes
   =========================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-padding {
  padding-top: 120px;
  padding-bottom: 120px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: #D4AF37;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
  text-align: center;
}

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

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--glass-shadow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  white-space: nowrap;
  min-height: 52px;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text);
  border: none;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

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

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

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

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(37, 99, 235, 0.05);
  transform: translateY(-2px);
}

/* Tags & Badges */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(37, 99, 235, 0.15);
  color: var(--primary-light);
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.badge-accent {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-light);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-secondary {
  background: rgba(124, 58, 237, 0.15);
  color: var(--secondary-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--text);
  z-index: 1001;
}

.navbar-brand .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
}

.navbar-brand span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  color: var(--text) !important;
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text) !important;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link:active,
.nav-link:focus,
.nav-link.active,
.navbar-nav .nav-link.active,
.navbar-nav .nav-link.show {
  color: #D4AF37 !important;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-actions .btn {
  padding: 10px 24px;
  font-size: 0.875rem;
  min-height: 42px;
}

.navbar-toggler {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  z-index: 1001;
  cursor: pointer;
}

.navbar-toggler span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.navbar-toggler.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar-toggler.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar-toggler.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-left: 1px solid var(--glass-border);
  z-index: 999;
  padding: 100px 40px 40px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu .nav-link {
  display: block;
  padding: 16px 0;
  font-size: 1.25rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  border-radius: 0;
}

.mobile-menu .nav-link:hover,
.mobile-menu .nav-link:active,
.mobile-menu .nav-link:focus,
.mobile-menu .nav-link.active {
  color: #D4AF37 !important;
}

.mobile-menu .btn {
  width: 100%;
  margin-top: 24px;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.mobile-overlay.active {
  opacity: 1;
}

.no-scroll {
  overflow: hidden;
}

/* ===========================
   Scroll Progress Bar
   =========================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: 1001;
  width: 0%;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 10px var(--primary);
}

/* ===========================
   Hero Section
   =========================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
  background-color: var(--background);
}

/* Circuit Board Background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;

  /* Base grid - thin lines */
  background-image:
    /* Horizontal traces */
    repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(37, 99, 235, 0.04) 59px, rgba(37, 99, 235, 0.04) 60px),
    repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(37, 99, 235, 0.04) 59px, rgba(37, 99, 235, 0.04) 60px),

    /* Via dots at grid intersections */
    radial-gradient(2px 2px at 30px 30px, rgba(37, 99, 235, 0.15) 50%, transparent 50%),
    radial-gradient(2px 2px at 30px 150px, rgba(124, 58, 237, 0.12) 50%, transparent 50%),
    radial-gradient(2px 2px at 150px 30px, rgba(124, 58, 237, 0.12) 50%, transparent 50%),
    radial-gradient(2px 2px at 30px 270px, rgba(37, 99, 235, 0.10) 50%, transparent 50%),
    radial-gradient(2px 2px at 270px 30px, rgba(6, 182, 212, 0.10) 50%, transparent 50%),
    radial-gradient(2px 2px at 150px 150px, rgba(6, 182, 212, 0.12) 50%, transparent 50%),
    radial-gradient(2px 2px at 270px 150px, rgba(37, 99, 235, 0.10) 50%, transparent 50%),
    radial-gradient(2px 2px at 150px 270px, rgba(124, 58, 237, 0.10) 50%, transparent 50%),
    radial-gradient(2px 2px at 270px 270px, rgba(6, 182, 212, 0.12) 50%, transparent 50%),
    radial-gradient(2px 2px at 90px 90px, rgba(37, 99, 235, 0.08) 50%, transparent 50%),
    radial-gradient(2px 2px at 90px 210px, rgba(124, 58, 237, 0.08) 50%, transparent 50%),
    radial-gradient(2px 2px at 210px 90px, rgba(6, 182, 212, 0.08) 50%, transparent 50%),
    radial-gradient(2px 2px at 210px 210px, rgba(37, 99, 235, 0.08) 50%, transparent 50%),

    /* Thicker diagonal traces */
    linear-gradient(45deg, transparent 48%, rgba(37, 99, 235, 0.03) 48%, rgba(37, 99, 235, 0.03) 52%, transparent 52%),
    linear-gradient(-45deg, transparent 47%, rgba(124, 58, 237, 0.03) 47%, rgba(124, 58, 237, 0.03) 53%, transparent 53%),
    linear-gradient(135deg, transparent 49%, rgba(6, 182, 212, 0.02) 49%, rgba(6, 182, 212, 0.02) 51%, transparent 51%),

    /* Central glow */
    radial-gradient(ellipse at 50% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);

  background-size:
    60px 60px, 60px 60px,
    60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px,
    60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px,
    100% 100%, 100% 100%, 100% 100%,
    100% 100%;
  background-repeat: repeat;
  animation: circuit-pulse 4s ease-in-out infinite;
}

/* Circuit animated glow lines - moving light pulses */
#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    /* Animated traces - horizontal pulses */
    repeating-linear-gradient(90deg,
      transparent 0px,
      transparent 30px,
      rgba(37, 99, 235, 0.04) 30px,
      rgba(37, 99, 235, 0.04) 31px,
      transparent 31px,
      transparent 60px
    ),
    repeating-linear-gradient(0deg,
      transparent 0px,
      transparent 30px,
      rgba(124, 58, 237, 0.03) 30px,
      rgba(124, 58, 237, 0.03) 31px,
      transparent 31px,
      transparent 60px
    );
  background-size: 60px 100%, 100% 60px;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 650px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
  animation: fade-in-up 0.6s ease forwards;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-glow 2s infinite;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  animation: fade-in-up 0.6s ease 0.1s forwards;
  opacity: 0;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 40px;
  line-height: 1.8;
  animation: fade-in-up 0.6s ease 0.2s forwards;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
  animation: fade-in-up 0.6s ease 0.3s forwards;
  opacity: 0;
}

.hero-stats {
  display: flex;
  gap: 48px;
  animation: fade-in-up 0.6s ease 0.4s forwards;
  opacity: 0;
}

.hero-stats .stat {
  text-align: left;
}

.hero-stats .stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stats .stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
  z-index: 3;
}

/* Dashboard Mockup */
.dashboard-mockup {
  position: relative;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 4/3;
  margin-left: auto;
  opacity: 0.85;
  transition: opacity var(--transition-normal);
}

.dashboard-mockup:hover {
  opacity: 1;
}

.mockup-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--glass-shadow);
  animation: float 6s ease-in-out infinite;
}

.mockup-card:nth-child(1) {
  top: 0;
  right: 0;
  width: 280px;
  animation-delay: 0s;
}

.mockup-card:nth-child(2) {
  top: 120px;
  left: 0;
  width: 240px;
  animation-delay: 1s;
}

.mockup-card:nth-child(3) {
  bottom: 40px;
  right: 20px;
  width: 260px;
  animation-delay: 2s;
}

.mockup-card:nth-child(4) {
  bottom: 0;
  left: 40px;
  width: 220px;
  animation-delay: 3s;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
  margin-top: 12px;
}

.chart-bar {
  flex: 1;
  background: var(--gradient-primary);
  border-radius: 4px 4px 0 0;
  animation: bar-grow 1s ease forwards;
  animation-delay: var(--delay, 0s);
  opacity: 0;
}

.chart-bar:nth-child(1) { --bar-height: 60%; }
.chart-bar:nth-child(2) { --bar-height: 80%; }
.chart-bar:nth-child(3) { --bar-height: 45%; }
.chart-bar:nth-child(4) { --bar-height: 90%; }
.chart-bar:nth-child(5) { --bar-height: 70%; }
.chart-bar:nth-child(6) { --bar-height: 55%; }
.chart-bar:nth-child(7) { --bar-height: 85%; }

.code-block {
  background: var(--background);
  border-radius: 8px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-secondary);
  overflow: hidden;
}

.code-block .keyword { color: var(--secondary-light); }
.code-block .string { color: var(--success); }
.code-block .function { color: var(--primary-light); }
.code-block .comment { color: var(--text-muted); }

.notification-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--surface);
  border-radius: 8px;
  margin-top: 10px;
}

.notification-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.notification-icon.success { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.notification-icon.info { background: rgba(37, 99, 235, 0.15); color: var(--primary-light); }

.mockup-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
}

.mockup-glow.glow-1 {
  background: var(--primary);
  top: -50px;
  right: -50px;
}

.mockup-glow.glow-2 {
  background: var(--secondary);
  bottom: -50px;
  left: -50px;
}

/* Hero Background Effects */
.hero-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

/* Particles Container */
.particles-container {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

/* Circuit Board Nodes */
.circuit-nodes {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.circuit-node {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary), 0 0 12px rgba(37, 99, 235, 0.3);
  animation: circuit-node-pulse 3s ease-in-out infinite;
}

.circuit-node:nth-child(even) {
  background: var(--secondary);
  box-shadow: 0 0 6px var(--secondary), 0 0 12px rgba(124, 58, 237, 0.3);
}

.circuit-node:nth-child(3n) {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent), 0 0 12px rgba(6, 182, 212, 0.3);
}

.circuit-node-lg {
  width: 12px;
  height: 12px;
  background: transparent;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.3), 0 0 40px rgba(37, 99, 235, 0.1);
  border: 2px solid rgba(37, 99, 235, 0.3);
  animation: circuit-node-pulse 4s ease-in-out infinite;
}

/* Hero Blobs (legacy) */
.hero-blobs {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.gradient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.12;
  animation: float 8s ease-in-out infinite;
}

.gradient-blob.blob-1 {
  width: 600px;
  height: 600px;
  background: var(--primary);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.gradient-blob.blob-2 {
  width: 500px;
  height: 500px;
  background: var(--secondary);
  bottom: -200px;
  left: -100px;
  animation-delay: 2s;
}

.gradient-blob.blob-3 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 4s;
}

.grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.floating-icon {
  position: absolute;
  font-size: 1.5rem;
  opacity: 0.3;
  animation: float 5s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-icon:nth-child(2) {
  top: 60%;
  right: 15%;
  animation-delay: 1.5s;
}

.floating-icon:nth-child(3) {
  bottom: 20%;
  left: 20%;
  animation-delay: 3s;
}

/* ===========================
   Stats Section
   =========================== */
.stats-section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 300px;
  background: var(--primary);
  filter: blur(120px);
  opacity: 0.05;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.2);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.1);
}

.stat-number {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  font-family: var(--font-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===========================
   Trusted Technologies
   =========================== */
#technologies-trusted {
  padding: 60px 0;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.tech-scroll {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.tech-track {
  display: flex;
  align-items: center;
  gap: 48px;
  animation: scroll-left 30s linear infinite;
  width: max-content;
}

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

.tech-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  white-space: nowrap;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.tech-item:hover {
  border-color: var(--primary);
  color: var(--text);
  background: var(--surface-light);
}

.tech-item .tech-icon {
  font-size: 1.5rem;
}

/* ===========================
   About Section
   =========================== */
#about {
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content {
  max-width: 550px;
}

.about-content .section-subtitle-text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.about-content .section-title {
  margin-bottom: 20px;
}

.about-content p {
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-visual {
  position: relative;
}

.about-image-frame {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
  padding: 24px;
  overflow: hidden;
}

.about-image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.03;
  pointer-events: none;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--surface);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.about-image-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.05;
}

.about-mission-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.mv-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
}

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

.mv-card h5 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-light);
  margin-bottom: 8px;
}

.mv-card p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 80px;
}

.value-card {
  padding: 32px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-normal);
}

.value-card:hover {
  transform: translateY(-8px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  transition: all var(--transition-normal);
}

.value-card:hover .value-icon {
  transform: scale(1.1) rotate(5deg);
}

.value-card h4 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.value-card p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ===========================
   Services Section
   =========================== */
#services {
  position: relative;
  overflow: hidden;
}

#services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 800px;
  height: 800px;
  background: var(--secondary);
  filter: blur(150px);
  opacity: 0.03;
  transform: translateX(-50%);
  pointer-events: none;
}

#services .container {
  position: relative;
  z-index: 1;
}

/* Animated Gears Background */
.gears-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.gear {
  position: absolute;
  font-size: 2rem;
  color: var(--primary);
  opacity: 0.05;
  animation: gear-spin 8s linear infinite;
}

.gear-1 {
  top: 10%;
  left: 5%;
  font-size: 3rem;
  animation-duration: 6s;
  color: var(--primary);
}

.gear-2 {
  top: 20%;
  right: 8%;
  font-size: 2.5rem;
  animation-duration: 8s;
  animation-direction: reverse;
  color: var(--secondary);
  opacity: 0.04;
}

.gear-3 {
  bottom: 30%;
  left: 3%;
  font-size: 1.8rem;
  animation-duration: 5s;
  color: var(--accent);
  opacity: 0.045;
}

.gear-4 {
  bottom: 15%;
  right: 5%;
  font-size: 3.5rem;
  animation-duration: 10s;
  animation-direction: reverse;
  color: var(--primary);
  opacity: 0.035;
}

.gear-5 {
  top: 60%;
  left: 12%;
  font-size: 1.5rem;
  animation-duration: 4s;
  color: var(--secondary);
  opacity: 0.05;
}

.gear-6 {
  top: 40%;
  right: 15%;
  font-size: 2rem;
  animation-duration: 7s;
  animation-direction: reverse;
  color: var(--accent);
  opacity: 0.04;
}

@keyframes gear-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 40px 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius-xl);
  padding: 1px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

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

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.1);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 24px;
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.service-card .service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--primary-light);
  transition: all var(--transition-fast);
}

.service-card .service-link:hover {
  gap: 12px;
}

/* ===========================
   Solutions Section
   =========================== */
#solutions {
  position: relative;
  overflow: hidden;
}

#solutions .container {
  position: relative;
  z-index: 1;
}

/* Matrix Rain Background */
.matrix-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.matrix-col {
  position: absolute;
  top: -100%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--primary);
  opacity: 0.04;
  writing-mode: vertical-lr;
  animation: matrix-fall 15s linear infinite;
  white-space: nowrap;
}

.matrix-col:nth-child(even) {
  color: var(--accent);
  opacity: 0.035;
}

.matrix-col:nth-child(3n) {
  color: var(--secondary);
  opacity: 0.03;
}

@keyframes matrix-fall {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(110vh);
  }
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  padding: 40px 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
  transition: all var(--transition-normal);
}

.solution-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 0 40px rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.2);
}

.solution-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.solution-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.solution-header h3 {
  font-size: 1.25rem;
}

.solution-card > p {
  margin-bottom: 24px;
  line-height: 1.7;
}

.solution-features {
  margin-bottom: 24px;
}

.solution-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.solution-features li .check-icon {
  width: 20px;
  height: 20px;
  background: rgba(34, 197, 94, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--success);
  font-size: 0.75rem;
  margin-top: 2px;
}

.solution-benefits {
  padding: 20px;
  background: var(--surface);
  border-radius: var(--border-radius);
  margin-bottom: 24px;
}

.solution-benefits h5 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.solution-benefits p {
  font-size: 0.9375rem;
  margin-bottom: 0;
  color: var(--text-secondary);
}

.solution-card .btn {
  width: 100%;
}

/* ===========================
   Portfolio Section
   =========================== */
#portfolio {
  position: relative;
  overflow: hidden;
}

#portfolio::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: -200px;
  width: 600px;
  height: 600px;
  background: var(--accent);
  filter: blur(150px);
  opacity: 0.03;
  pointer-events: none;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.portfolio-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  border-color: rgba(37, 99, 235, 0.2);
}

.portfolio-image {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--surface);
  overflow: hidden;
}

.portfolio-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: opacity var(--transition-normal);
}

.portfolio-card:hover .portfolio-image::after {
  opacity: 0.2;
}

.portfolio-image .overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 1;
}

.portfolio-card:hover .portfolio-image .overlay {
  opacity: 1;
}

.portfolio-info {
  padding: 28px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tech-tags .tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: var(--surface);
  border-color: var(--border);
}

.portfolio-info h3 {
  font-size: 1.375rem;
  margin-bottom: 12px;
}

.portfolio-info p {
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.portfolio-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.portfolio-features .feature {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.portfolio-features .feature::before {
  content: '>';
  color: var(--primary-light);
  font-family: var(--font-mono);
}

.portfolio-impact {
  padding: 16px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--border-radius);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--primary-light);
  text-align: center;
}

/* ===========================
   Technology Stack
   =========================== */
#tech-stack {
  position: relative;
  overflow: hidden;
}

#tech-stack .container {
  position: relative;
  z-index: 1;
}

/* Signal Communication Background */
.signal-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.signal-pulse {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--primary);
  opacity: 0;
  animation: signal-expand 4s ease-out infinite;
}

.pulse-1 {
  top: 20%;
  right: 15%;
  width: 60px;
  height: 60px;
  animation-delay: 0s;
}

.pulse-2 {
  top: 50%;
  left: 10%;
  width: 100px;
  height: 100px;
  border-color: var(--accent);
  animation-delay: 1.5s;
}

.pulse-3 {
  top: 70%;
  right: 25%;
  width: 80px;
  height: 80px;
  border-color: var(--secondary);
  animation-delay: 3s;
}

@keyframes signal-expand {
  0% {
    transform: scale(0.3);
    opacity: 0.12;
  }
  100% {
    transform: scale(3);
    opacity: 0;
  }
}

.signal-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary), 0 0 20px rgba(37, 99, 235, 0.3);
  animation: node-glow 2s ease-in-out infinite;
}

.signal-node:nth-child(even) {
  background: var(--secondary);
  box-shadow: 0 0 10px var(--secondary), 0 0 20px rgba(124, 58, 237, 0.3);
}

.signal-node:nth-child(3n) {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent), 0 0 20px rgba(6, 182, 212, 0.3);
}

.node-a { top: 15%; left: 10%; animation-delay: 0s; }
.node-b { top: 30%; right: 20%; animation-delay: 0.5s; }
.node-c { top: 60%; left: 5%; animation-delay: 1s; }
.node-d { top: 75%; right: 10%; animation-delay: 1.5s; }
.node-e { top: 45%; left: 30%; animation-delay: 2s; }

@keyframes node-glow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.9;
  }
}

.signal-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.08;
  animation: line-pulse 3s ease-in-out infinite;
}

.line-ab {
  top: 22%;
  left: 12%;
  width: 55%;
  transform: rotate(-5deg);
  animation-delay: 0s;
}

.line-ac {
  top: 37%;
  left: 8%;
  width: 35%;
  transform: rotate(-40deg);
  animation-delay: 0.8s;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.line-bc {
  top: 45%;
  right: 18%;
  width: 40%;
  transform: rotate(30deg);
  animation-delay: 1.6s;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

.line-bd {
  top: 52%;
  right: 15%;
  width: 25%;
  transform: rotate(-60deg);
  animation-delay: 2.4s;
}

.line-ce {
  top: 52%;
  left: 15%;
  width: 30%;
  transform: rotate(20deg);
  animation-delay: 0.4s;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.line-de {
  top: 60%;
  left: 25%;
  width: 20%;
  transform: rotate(-50deg);
  animation-delay: 1.2s;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

@keyframes line-pulse {
  0%, 100% {
    opacity: 0.05;
  }
  50% {
    opacity: 0.12;
  }
}

.stack-grid {
  display: grid;
  gap: 40px;
}

.stack-category {
  padding: 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
  transition: all var(--transition-normal);
}

.stack-category:hover {
  border-color: rgba(37, 99, 235, 0.2);
}

.stack-category h3 {
  font-size: 1.125rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.stack-category h3 .cat-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stack-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.stack-item:hover {
  transform: scale(1.05);
  border-color: var(--primary);
  color: var(--text);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.stack-item .stack-icon {
  font-size: 1.25rem;
}

/* ===========================
   Development Process
   =========================== */
#process {
  position: relative;
  overflow: hidden;
}

.process-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--border);
  transform: translateX(-50%);
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 60px;
  position: relative;
}

.process-step:nth-child(odd) {
  flex-direction: row;
  text-align: right;
}

.process-step:nth-child(even) {
  flex-direction: row-reverse;
  text-align: left;
}

.process-step:last-child {
  margin-bottom: 0;
}

.step-number {
  position: relative;
  z-index: 2;
  width: 56px;
  height: 56px;
  min-width: 56px;
  background: var(--background);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--text-muted);
  transition: all var(--transition-normal);
}

.process-step:hover .step-number,
.process-step.active .step-number {
  background: var(--gradient-primary);
  border-color: var(--primary);
  color: var(--text);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.step-content {
  flex: 1;
  padding: 28px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
}

.process-step:hover .step-content {
  border-color: rgba(37, 99, 235, 0.2);
  transform: translateY(-4px);
}

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.step-content p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.step-content .step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.process-step:nth-child(odd) .step-tags {
  justify-content: flex-end;
}

/* ===========================
   Why Choose Us
   =========================== */
#why-us {
  position: relative;
}

#why-us::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 400px;
  background: var(--primary);
  filter: blur(150px);
  opacity: 0.03;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  padding: 40px 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-8px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.why-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: var(--gradient-primary);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: all var(--transition-normal);
}

.why-card:hover .why-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.why-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.why-card p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ===========================
   Testimonials Section
   =========================== */
#testimonials {
  position: relative;
  overflow: hidden;
}

#testimonials::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -200px;
  width: 600px;
  height: 600px;
  background: var(--secondary);
  filter: blur(150px);
  opacity: 0.03;
  transform: translateY(-50%);
  pointer-events: none;
}

.testimonials-slider {
  position: relative;
  overflow: hidden;
  padding: 20px 0;
}

.testimonials-track {
  display: flex;
  gap: 24px;
  transition: transform 0.5s ease;
}

.testimonial-card {
  min-width: 400px;
  padding: 40px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
  position: relative;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.2);
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 40px;
  right: 40px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 0 0 3px 3px;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
}

.testimonial-stars .star {
  color: #FBBF24;
  font-size: 1.125rem;
}

.testimonial-text {
  font-size: 1.0625rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  flex-shrink: 0;
}

.testimonial-info h5 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.testimonial-info p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

.testimonial-nav button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-normal);
}

.testimonial-nav button:hover {
  background: var(--primary);
  border-color: var(--primary);
}

/* ===========================
   Blog Section
   =========================== */
#blog {
  position: relative;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.blog-image {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--surface);
  overflow: hidden;
}

.blog-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: opacity var(--transition-normal);
}

.blog-card:hover .blog-image::after {
  opacity: 0.2;
}

.blog-category {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1;
  padding: 6px 14px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-light);
}

.blog-content {
  padding: 28px;
}

.blog-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  transition: color var(--transition-fast);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card:hover .blog-title {
  color: var(--primary-light);
}

.blog-excerpt {
  font-size: 0.9375rem;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.blog-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--primary-light);
  transition: all var(--transition-fast);
}

.blog-link:hover {
  gap: 12px;
}

/* ===========================
   About the Author
   =========================== */
#about-author {
  position: relative;
  overflow: hidden;
}

#about-author::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: -200px;
  width: 600px;
  height: 600px;
  background: var(--secondary);
  filter: blur(150px);
  opacity: 0.03;
  pointer-events: none;
}

.author-image-wrapper {
  position: relative;
}

.author-image-wrapper::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 16px;
  background: var(--gradient-primary);
  opacity: 0.15;
  z-index: -1;
  filter: blur(20px);
}

.author-image {
  width: 100%;
  height: auto;
  border: 2px solid var(--glass-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: block;
}

.author-content {
  padding-left: 20px;
}

.author-content h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #D4AF37;
  letter-spacing: -0.02em;
}

.author-role {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 24px;
}

.author-role i {
  font-size: 1rem;
}

.author-content p {
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.author-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
  margin-bottom: 32px;
}

.author-stat-item {
  padding: 20px 16px;
  text-align: center;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
}

.author-stat-item:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.2);
}

.author-stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.author-stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.author-social {
  display: flex;
  gap: 12px;
}

.author-social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  font-size: 1.25rem;
  transition: all var(--transition-normal);
}

.author-social-link:hover {
  transform: translateY(-4px);
  background: var(--gradient-primary);
  border-color: transparent;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

/* ===========================
   Contact Section
   =========================== */
#contact {
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  top: 0;
  right: -200px;
  width: 600px;
  height: 600px;
  background: var(--primary);
  filter: blur(150px);
  opacity: 0.03;
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-form {
  padding: 40px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xl);
}

.form-group {
  position: relative;
  margin-bottom: 24px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  color: var(--text);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23A1A1AA' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}

.floating-label {
  position: absolute;
  top: 16px;
  left: 20px;
  color: var(--text-muted);
  font-size: 1rem;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.form-group input:focus ~ .floating-label,
.form-group input:not(:placeholder-shown) ~ .floating-label,
.form-group textarea:focus ~ .floating-label,
.form-group textarea:not(:placeholder-shown) ~ .floating-label {
  top: -10px;
  left: 16px;
  font-size: 0.75rem;
  background: var(--surface);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--primary-light);
}

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--gradient-primary);
  color: var(--text);
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  min-height: 56px;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.contact-info {
  padding-top: 20px;
}

.contact-info > h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.contact-info > p {
  margin-bottom: 32px;
  line-height: 1.8;
}

.info-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
}

.info-item:hover {
  border-color: rgba(37, 99, 235, 0.2);
}

.info-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.info-content h5 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.info-content p {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0;
}

.info-content a {
  color: var(--primary-light);
  transition: color var(--transition-fast);
}

.info-content a:hover {
  color: var(--text);
}

.social-links {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.social-link {
  width: 48px;
  height: 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text);
  transform: translateY(-4px);
}

.map-placeholder {
  width: 100%;
  height: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.map-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.03;
}

/* ===========================
   Footer
   =========================== */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-top: 80px;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 600px;
  height: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  opacity: 0.5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 24px;
  color: var(--text);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand p {
  font-size: 0.9375rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

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

.footer-link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-link:hover {
  color: var(--primary-light);
  transform: translateX(4px);
}

.newsletter-form {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  color: var(--text);
  font-size: 0.875rem;
}

.newsletter-form input:focus {
  border-color: var(--primary);
}

.newsletter-form button {
  padding: 12px 20px;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--border-radius);
  color: var(--text);
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  transition: all var(--transition-normal);
}

.newsletter-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social .social-link {
  width: 40px;
  height: 40px;
  font-size: 1rem;
}

/* ===========================
   Back to Top Button
   =========================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 52px;
  height: 52px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: var(--text);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  z-index: 100;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

/* ===========================
   Animations
   =========================== */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes float-delay {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-10px) rotate(1deg);
  }
  66% {
    transform: translateY(-15px) rotate(-1deg);
  }
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes circuit-pulse {
  0%, 100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@keyframes circuit-node-pulse {
  0%, 100% {
    box-shadow: 0 0 4px rgba(37, 99, 235, 0.3), 0 0 8px rgba(37, 99, 235, 0.1);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 8px rgba(37, 99, 235, 0.6), 0 0 16px rgba(37, 99, 235, 0.2);
    transform: scale(1.3);
  }
}

@keyframes trace-glow {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 60px 0%;
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(37, 99, 235, 0);
  }
}

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink {
  0%, 100% {
    border-color: transparent;
  }
  50% {
    border-color: var(--primary);
  }
}

@keyframes slide-in-right {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes bar-grow {
  from {
    height: 0;
  }
  to {
    height: var(--bar-height);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   Responsive Design
   =========================== */

/* Large screens */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }
}

/* Medium screens */
@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }

  .section-padding {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .navbar-nav {
    display: none;
  }

  .navbar-toggler {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .mobile-overlay {
    display: block;
  }

  .navbar-actions .btn {
    display: none;
  }

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

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

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

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

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

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

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

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

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

  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .process-timeline::before {
    left: 28px;
  }

  .process-step {
    flex-direction: row !important;
    text-align: left !important;
    gap: 24px;
  }

  .process-step .step-tags {
    justify-content: flex-start !important;
  }

  .hero-visual {
    display: none;
  }

  .hero-content {
    max-width: 100%;
  }

  .testimonial-card {
    min-width: 320px;
  }
}

/* Small screens */
@media (max-width: 768px) {
  .section-padding {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

  .hero-stats .stat {
    flex: 1;
    min-width: 120px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-item {
    padding: 24px 16px;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .testimonial-card {
    min-width: 280px;
    padding: 28px;
  }

  .contact-form {
    padding: 28px;
  }
}

/* Extra small screens */
@media (max-width: 576px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section-padding {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  h1 {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  h2 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  h3 {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
  }

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

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

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero-stats .stat {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 1rem;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form button {
    width: 100%;
  }

  .info-item {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

/* ===========================
   Print Styles
   =========================== */
@media print {
  .navbar,
  .navbar-nav,
  .navbar-actions,
  .mobile-menu,
  .mobile-overlay,
  .scroll-progress,
  .back-to-top,
  .footer,
  .hero-bg-effects,
  .gradient-blob,
  .floating-icon,
  .grid-pattern {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  .section-padding {
    padding: 20px 0;
  }

  h1, h2, h3, h4, h5, h6 {
    color: black;
  }

  p, li, span {
    color: #333;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  .glass-card,
  .service-card,
  .portfolio-card,
  .blog-card,
  .why-card,
  .testimonial-card,
  .info-item {
    background: white;
    border: 1px solid #ddd;
    box-shadow: none;
    backdrop-filter: none;
  }

  .gradient-text {
    background: none;
    -webkit-text-fill-color: black;
    color: black;
  }

  .btn-primary,
  .btn-secondary,
  .btn-outline {
    background: white;
    border: 1px solid black;
    color: black;
  }
}

/* ===========================
   Reduced Motion
   =========================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-badge,
  .hero-title,
  .hero-subtitle,
  .hero-buttons,
  .hero-stats {
    opacity: 1;
    transform: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .mockup-card {
    animation: none;
  }

  .tech-track {
    animation: none;
  }

  .gradient-blob {
    animation: none;
  }

  .circuit-node,
  .circuit-node-lg {
    animation: none;
  }

  .floating-icon {
    animation: none;
  }
}

/* ===========================
   Focus Visible (Accessibility)
   =========================== */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===========================
   Additional Utility Classes
   =========================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.pt-1 { padding-top: 8px; }
.pt-2 { padding-top: 16px; }
.pt-3 { padding-top: 24px; }
.pt-4 { padding-top: 32px; }

.pb-1 { padding-bottom: 8px; }
.pb-2 { padding-bottom: 16px; }
.pb-3 { padding-bottom: 24px; }
.pb-4 { padding-bottom: 32px; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.gap-4 { gap: 32px; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }

.rounded { border-radius: var(--border-radius); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-xl { border-radius: var(--border-radius-xl); }
.rounded-full { border-radius: 50%; }