/* NIKOLAY BONDARENKO LTD - Design System */

/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
  /* Colors */
  --color-bg-primary: #0a1628;
  --color-bg-secondary: #0f1d32;
  --color-bg-card: #162236;
  --color-accent-primary: #00d4ff;
  --color-accent-secondary: #7c3aed;
  --color-accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --color-text-primary: #ffffff;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #8b9bb5;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-glow: rgba(0, 212, 255, 0.15);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px var(--color-glow);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--color-accent-secondary);
}

ul,
ol {
  list-style: none;
}

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

/* ========================================
   Particles Animation
   ======================================== */
.particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* ========================================
   Decorative Geometric Elements
   ======================================== */
.geo-decoration {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

/* Floating hexagon */
.geo-hexagon {
  width: 100px;
  height: 115px;
  background: transparent;
  position: absolute;
  opacity: 0.1;
}

.geo-hexagon::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  animation: floatRotate 20s ease-in-out infinite;
}

/* Glowing ring */
.geo-ring {
  width: 200px;
  height: 200px;
  border: 2px solid var(--color-accent-primary);
  border-radius: 50%;
  opacity: 0.08;
  animation: pulseScale 8s ease-in-out infinite;
}

/* Grid pattern overlay */
.geo-grid {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.5;
}

/* Floating decorative shapes */
.deco-shape {
  position: absolute;
  pointer-events: none;
}

.deco-shape-1 {
  top: 20%;
  right: 10%;
  width: 60px;
  height: 60px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  transform: rotate(45deg);
  animation: floatUpDown 6s ease-in-out infinite;
}

.deco-shape-2 {
  top: 60%;
  left: 5%;
  width: 80px;
  height: 80px;
  border: 1px solid rgba(124, 58, 237, 0.15);
  border-radius: 50%;
  animation: floatUpDown 8s ease-in-out infinite reverse;
}

.deco-shape-3 {
  bottom: 20%;
  right: 15%;
  width: 0;
  height: 0;
  border-left: 30px solid transparent;
  border-right: 30px solid transparent;
  border-bottom: 52px solid rgba(0, 212, 255, 0.1);
  animation: floatUpDown 7s ease-in-out infinite;
}

.deco-shape-4 {
  top: 40%;
  left: 15%;
  width: 40px;
  height: 40px;
  background: transparent;
  position: relative;
  animation: floatRotateSlow 15s linear infinite;
}

.deco-shape-4::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(124, 58, 237, 0.15));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

/* Keyframe animations */
@keyframes floatUpDown {

  0%,
  100% {
    transform: translateY(0) rotate(45deg);
  }

  50% {
    transform: translateY(-20px) rotate(45deg);
  }
}

@keyframes floatRotate {

  0%,
  100% {
    transform: rotate(0deg) scale(1);
  }

  50% {
    transform: rotate(180deg) scale(1.1);
  }
}

@keyframes floatRotateSlow {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulseScale {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.08;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.15;
  }
}

/* Glow effects for sections */
.section-glow {
  position: relative;
}

.section-glow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

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

/* ========================================
   Layout
   ======================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--font-size-lg);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.logo-img {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: var(--space-8);
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-accent-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: var(--color-bg-primary);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 212, 255, 0.4);
  color: var(--color-bg-primary);
}

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

.btn-secondary:hover {
  background: var(--color-bg-card);
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  min-height: calc(100vh - 180px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--space-20);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse, var(--color-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-content {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

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

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.hero h1 {
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

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

.hero-stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

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

/* ========================================
   Logo Marquee Section - Full Width
   ======================================== */
.logo-marquee-section {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  overflow: hidden;
  background: var(--color-bg-primary);
  padding: 48px 0;
  position: relative;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  margin-top: 0;
}

/* Show marquee when scrolled */
.logo-marquee-section.marquee-visible {
  opacity: 1;
  transform: translateY(0);
}

.marquee-wrapper {
  display: flex;
  width: max-content;
  animation: marqueeScroll 25s linear infinite;
  animation-play-state: paused;
  transform: translateX(0);
}

/* Activate animation when visible */
.logo-marquee-section.marquee-visible .marquee-wrapper {
  animation-play-state: running;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 47px;
  padding: 0;
  padding-right: 47px;
}

/* First track starts at left edge */
.marquee-track:first-child {
  padding-left: 0;
}

.marquee-logo {
  height: 74px;
  width: auto;
  max-width: 200px;
  opacity: 1;
  transition: all 0.3s ease;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
}

.marquee-logo-tall {
  height: 84px;
  margin-top: 6px;
}

.marquee-logo-raise {
  margin-top: -6px;
}

.marquee-logo:hover {
  transform: scale(1.08);
}

@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-33.333%);
  }
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .logo-marquee-section {
    padding: 32px 0;
    margin-top: 0;
  }

  .marquee-track {
    gap: 32px;
    padding-right: 32px;
  }

  .marquee-logo {
    height: 50px;
    max-width: 150px;
  }

  .marquee-logo-tall {
    height: 58px;
    margin-top: 4px;
  }

  .marquee-wrapper {
    animation-duration: 20s;
  }
}

/* ========================================
   Services Section
   ======================================== */
.services {
  background: var(--color-bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--shadow-card);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: 1.5rem;
}

.service-card h3 {
  margin-bottom: var(--space-4);
  font-size: var(--font-size-xl);
}

.service-card p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.service-tag {
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-primary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ========================================
   Services Vertical Layout (proofofplay style)
   ======================================== */
.services-vertical {
  background: var(--color-bg-secondary);
  padding: var(--space-24) 0;
}

.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-bottom: var(--space-24);
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-row.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-row:last-child {
  margin-bottom: 0;
}

/* Alternating layout */
.service-row--left .service-content {
  order: 1;
}

.service-row--left .service-visual {
  order: 2;
}

.service-row--right .service-content {
  order: 2;
}

.service-row--right .service-visual {
  order: 1;
}

/* Service content */
.service-content {
  padding: var(--space-8);
}

.service-content h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
}

.service-content p {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* Service icon wrapper */
.service-icon-wrapper {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  transition: all var(--transition-base);
}

.service-icon-wrapper:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.service-icon-svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent-primary);
}

/* Service visual */
.service-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.visual-element {
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-primary);
  opacity: 0.6;
  transition: all var(--transition-slow);
}

.visual-element svg {
  width: 100%;
  height: 100%;
}

.service-row:hover .visual-element {
  opacity: 1;
  transform: scale(1.05);
}

/* Visual element animations */
.visual-element--gamepad svg {
  animation: float 4s ease-in-out infinite;
}

.visual-element--chart svg {
  animation: pulse 3s ease-in-out infinite;
}

.visual-element--rocket svg {
  animation: float 3s ease-in-out infinite;
}

.visual-element--ai svg {
  animation: rotate 20s linear infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-15px);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.6;
  }

  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

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

  to {
    transform: rotate(360deg);
  }
}

/* Responsive - Services Vertical */
@media (max-width: 1024px) {
  .service-row {
    gap: var(--space-8);
  }

  .visual-element {
    width: 200px;
    height: 200px;
  }

  .service-content h3 {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 768px) {
  .service-row {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .service-row--left .service-content,
  .service-row--right .service-content {
    order: 1;
  }

  .service-row--left .service-visual,
  .service-row--right .service-visual {
    order: 2;
  }

  .visual-element {
    width: 150px;
    height: 150px;
  }

  .service-content h3 {
    font-size: var(--font-size-xl);
  }

  .service-content p {
    font-size: var(--font-size-base);
  }
}

/* ========================================
   Expertise Platform Section
   ======================================== */
.expertise-section {
  background: var(--color-bg-primary);
  padding: var(--space-24) 0;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.expertise-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.expertise-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.expertise-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 40px rgba(124, 58, 237, 0.15);
}

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

.expertise-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  transition: all var(--transition-base);
}

.expertise-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent-primary);
}

.expertise-card:hover .expertise-icon {
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.4);
}

.expertise-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
}

.expertise-card p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.expertise-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--color-accent-primary);
  position: relative;
  z-index: 1;
}

/* Responsive - Expertise */
@media (max-width: 1024px) {
  .expertise-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .expertise-card {
    padding: var(--space-6);
  }
}

/* ========================================
   About Section
   ======================================== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--space-6);
}

.about-text p {
  margin-bottom: var(--space-6);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.about-feature-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

.about-feature span {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.about-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.about-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.about-card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.about-card-header h4 {
  font-size: var(--font-size-lg);
}

.about-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.about-info-item:last-child {
  border-bottom: none;
}

.about-info-label {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.about-info-value {
  color: var(--color-text-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
  background: var(--color-bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.contact-info h2 {
  margin-bottom: var(--space-4);
}

.contact-info>p {
  margin-bottom: var(--space-8);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

.contact-method-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contact-method-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-method-value {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: 500;
}

.contact-form-wrapper {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-input,
.form-textarea {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
  border-color: var(--color-accent-primary);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-success {
  text-align: center;
  padding: var(--space-10) var(--space-6);
}

.form-success svg {
  margin: 0 auto var(--space-4);
  display: block;
}

.form-success h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: #10b981;
  margin-bottom: var(--space-3);
}

.form-success p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

/* Centered About Section */
.about-content-centered {
  display: block;
  text-align: center;
}

.about-text-full {
  max-width: 800px;
  margin: 0 auto;
}

.about-text-full h2 {
  margin-bottom: var(--space-6);
}

.about-text-full p {
  margin-bottom: var(--space-4);
  text-align: left;
}

.about-text-full .about-features {
  text-align: left;
  max-width: 500px;
  margin: var(--space-8) auto 0;
}

/* Centered Contact Form */
.contact-content-centered {
  display: flex;
  justify-content: center;
}

.contact-form-full {
  max-width: 700px;
  width: 100%;
}

.contact-form-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.contact-form-header h2 {
  margin-bottom: var(--space-4);
}

.contact-form-header p {
  max-width: 500px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Footer
   ======================================== */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
}

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

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-16);
}

.footer-column h5 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-column a {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-accent-primary);
}

.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .hero-stats {
    gap: var(--space-8);
  }

}

@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

  .nav-links {
    display: none;
  }

  .nav-cta .btn {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: var(--space-24) 0 var(--space-16);
  }

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

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

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-6);
  }

  .hero-stat {
    flex: 1 1 45%;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-12);
  }

  .footer-links {
    flex-wrap: wrap;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: var(--font-size-3xl);
  }

  .container {
    padding: 0 var(--space-4);
  }

  .section {
    padding: var(--space-16) 0;
  }

  .service-card {
    padding: var(--space-6);
  }
}

/* ========================================
   Scroll Progress Indicator
   ======================================== */
.scroll-progress-wrap {
  position: fixed;
  left: 32px;
  top: 0;
  height: 100vh;
  width: 1px;
  z-index: 1000;
  pointer-events: none;
}

.scroll-fill-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: var(--color-accent-gradient);
  border-radius: 1px;
  opacity: 0.4;
}

.scroll-progress-line {
  position: absolute;
  width: 1px;
  height: 100%;
  overflow: visible;
}

.scroll-dot {
  position: absolute;
  border-radius: 50%;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-dot.section-dot {
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.25);
  transition: background 0.3s ease, transform 0.3s ease;
}

.scroll-dot.section-dot.active {
  background: var(--color-accent-secondary);
  transform: translateX(-50%) scale(1.25);
}

.scroll-dot.main-dot {
  width: 16px;
  height: 16px;
  background: var(--color-accent-secondary);
  box-shadow: 0 0 12px 4px rgba(124, 58, 237, 0.6);
  transition: top 0.1s ease-out;
}

.scroll-dot.main-dot.is-scrolling {
  animation: mainDotPulse 0.8s ease-in-out infinite;
}

@keyframes mainDotPulse {
  0%, 100% { transform: translateX(-50%) scale(1); box-shadow: 0 0 12px 4px rgba(124, 58, 237, 0.6); }
  50% { transform: translateX(-50%) scale(1.2); box-shadow: 0 0 18px 6px rgba(124, 58, 237, 0.8); }
}

.dot-trail {
  position: absolute;
  width: 2px;
  height: 50px;
  background: linear-gradient(to top, transparent, var(--color-accent-secondary));
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.7;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq .section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(0, 212, 255, 0.2);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.faq-question h3 {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text-primary);
  margin: 0;
  flex: 1;
  padding-right: var(--space-4);
}

.faq-icon {
  font-size: var(--font-size-2xl);
  color: var(--color-accent-primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 var(--space-8) var(--space-6);
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: var(--font-size-base);
}

@media (max-width: 768px) {
  .faq-question {
    padding: var(--space-4) var(--space-5);
  }
  .faq-question h3 {
    font-size: var(--font-size-base);
  }
  .faq-answer p {
    padding: 0 var(--space-5) var(--space-4);
  }
}

/* Hide scroll progress on smaller screens */
@media (max-width: 1024px) {
  .scroll-progress-wrap {
    left: 16px;
  }
}

@media (max-width: 768px) {
  .scroll-progress-wrap {
    display: none;
  }
}

/* ========================================
   Skip Link (Accessibility)
   ======================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
  font-weight: 600;
  z-index: 10000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  color: var(--color-bg-primary);
}

/* ========================================
   Navbar Scrolled State
   ======================================== */
.navbar--scrolled {
  background: rgba(10, 22, 40, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Mobile Menu (moved from JS injection)
   ======================================== */
@media (max-width: 768px) {
  .nav-links.active {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links.active a {
    font-size: 1rem;
    padding: 0.5rem 0;
  }
}

/* ========================================
   Button Modifiers
   ======================================== */
.btn--full-width {
  width: 100%;
}

/* ========================================
   Hero Geometric Positioning
   ======================================== */
.geo-hexagon--hero {
  top: 15%;
  right: 20%;
}

.geo-ring--hero {
  position: absolute;
  bottom: 10%;
  left: 5%;
}

/* ========================================
   Footer Simple (Legal Pages)
   ======================================== */
.footer-bottom--simple {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}

/* ========================================
   Legal Pages
   ======================================== */
.legal-page {
  padding-top: 120px;
  padding-bottom: var(--space-16);
  min-height: 100vh;
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: var(--space-12) var(--space-10);
}

.legal-content h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-1);
}

.legal-content .last-updated {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.legal-content h2 {
  font-size: var(--font-size-lg);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.legal-content p {
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.legal-content ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content li {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  list-style: disc;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .legal-page {
    padding-top: 90px;
  }

  .legal-content {
    padding: var(--space-8) var(--space-6);
  }

  .legal-content h1 {
    font-size: var(--font-size-2xl);
  }
}

/* ========================================
   Performance: CSS Containment
   ======================================== */
.logo-marquee-section {
  contain: layout style;
}