/* ===================================
   NEXUS TECH - Neo-Tokyo Tech Style
   ================================== */

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #050a15;
  --bg-secondary: #0a1628;
  --bg-tertiary: #101d35;
  --bg-card: rgba(16, 29, 53, 0.8);

  --accent-cyan: #00d4ff;
  --accent-green: #00ff88;
  --accent-purple: #8b5cf6;

  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-color: rgba(148, 163, 184, 0.1);
  --glow-cyan: 0 0 30px rgba(0, 212, 255, 0.3);
  --glow-green: 0 0 30px rgba(0, 255, 136, 0.3);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Zen Kaku Gothic New', sans-serif;

  /* Spacing */
  --section-padding: 120px;
  --container-width: 1280px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.4s ease;
  --transition-slow: 0.6s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================================
   Typography
   ================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================
   Buttons
   ================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-green) 100%);
  color: var(--bg-primary);
  box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.5);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: inset 0 0 20px rgba(0, 212, 255, 0.1);
}

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

/* ===================================
   Navigation
   ================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(5, 10, 21, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  border-radius: 8px;
  position: relative;
}

.logo-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid var(--bg-primary);
  border-radius: 4px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  transition: width var(--transition-base);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 12px 24px;
  background: transparent;
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  transition: all var(--transition-base);
}

.nav-cta:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  box-shadow: var(--glow-cyan);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 10, 21, 0.98);
  z-index: 999;
  padding: 100px 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
  text-align: center;
}

.mobile-menu-links a {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-cta {
  display: inline-block;
  margin-top: 24px;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  color: var(--bg-primary) !important;
  border-radius: 8px;
}

/* ===================================
   Hero Section
   ================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  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: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 60%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-cyan);
  border-radius: 50%;
  opacity: 0.6;
  animation: float 15s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-cyan);
  margin-bottom: 32px;
}

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

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(42px, 8vw, 80px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.title-line {
  display: block;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent-cyan), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Animation classes */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Section Styles
   ================================== */

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header-left {
  text-align: left;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===================================
   Services Section
   ================================== */

.services {
  background: var(--bg-secondary);
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  color: var(--accent-cyan);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-title {
  font-size: 20px;
  margin-bottom: 12px;
  font-weight: 600;
}

.service-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tags li {
  font-size: 12px;
  padding: 4px 12px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-cyan);
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 500;
}

/* ===================================
   Strengths Section
   ================================== */

.strengths {
  position: relative;
  overflow: hidden;
}

.strengths-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 255, 136, 0.08) 0%, transparent 50%);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.strength-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.strength-number {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}

.strength-unit {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-left: 4px;
}

.strength-title {
  font-size: 18px;
  margin: 16px 0 8px;
  font-weight: 600;
}

.strength-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

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

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-base);
}

.feature-item:hover {
  border-color: rgba(0, 212, 255, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  color: var(--accent-cyan);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature-content p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===================================
   Works Section
   ================================== */

.works {
  background: var(--bg-secondary);
}

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

.work-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.work-card-large {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}

.work-image {
  width: 100%;
  height: 100%;
}

.work-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.work-card:hover .work-image img {
  transform: scale(1.05);
}

.work-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
  background: linear-gradient(to top, rgba(5, 10, 21, 0.95) 0%, transparent 100%);
  transform: translateY(60px);
  transition: transform var(--transition-base);
}

.work-card:hover .work-overlay {
  transform: translateY(0);
}

.work-category {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.work-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.work-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.work-tags {
  display: flex;
  gap: 8px;
}

.work-tags span {
  font-size: 11px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  font-family: var(--font-display);
  font-weight: 500;
}

/* ===================================
   Team Section
   ================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.team-card {
  text-align: center;
}

.team-image {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto 24px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--border-color);
  transition: all var(--transition-base);
}

.team-card:hover .team-image {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-social {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  background: linear-gradient(to top, rgba(5, 10, 21, 0.9), transparent);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.team-card:hover .team-social {
  opacity: 1;
  transform: translateY(0);
}

.team-social a {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.team-social a:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

.team-social svg {
  width: 16px;
  height: 16px;
}

.team-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.team-role {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: 8px;
}

.team-specialty {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===================================
   Tech Stack Section
   ================================== */

.techstack {
  background: var(--bg-secondary);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tech-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
}

.tech-category-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-item {
  padding: 10px 18px;
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tech-item:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ===================================
   Testimonials Section
   ================================== */

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px 32px;
  position: relative;
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 80px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: absolute;
  top: 20px;
  left: 32px;
  opacity: 0.3;
}

.testimonial-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

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

.author-name {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 2px;
}

.author-role {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===================================
   Company Section
   ================================== */

.company {
  background: var(--bg-secondary);
}

.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--border-color);
}

.company-table th,
.company-table td {
  padding: 20px 0;
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 140px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.company-table td {
  font-size: 15px;
}

.office-image {
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 24px;
}

.office-image img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.company-map {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.company-map iframe {
  filter: grayscale(100%) invert(92%) contrast(83%);
}

/* ===================================
   Contact Section
   ================================== */

.contact {
  position: relative;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 30% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 48px;
  backdrop-filter: blur(10px);
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.required {
  color: var(--accent-cyan);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all var(--transition-base);
}

.contact-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
}

.contact-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  border-radius: 12px;
  color: var(--bg-primary);
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-detail h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-detail p {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
}

.contact-detail p a {
  transition: color var(--transition-fast);
}

.contact-detail p a:hover {
  color: var(--accent-cyan);
}

.contact-detail span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===================================
   Footer
   ================================== */

.footer {
  background: var(--bg-secondary);
  padding: 80px 0 32px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--bg-primary);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

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

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

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

@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }

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

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

  .strengths-features {
    grid-template-columns: 1fr;
  }

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

  .work-card-large {
    grid-column: span 2;
    grid-row: span 1;
  }

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

  .tech-categories {
    grid-template-columns: 1fr;
  }

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

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

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

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

@media (max-width: 768px) {
  :root {
    --section-padding: 64px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .hero-title {
    letter-spacing: -1px;
  }

  .hero-subtitle br {
    display: none;
  }

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

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

  .strength-card {
    padding: 24px 16px;
  }

  .strength-number {
    font-size: 48px;
  }

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

  .work-card-large {
    grid-column: span 1;
  }

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

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

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

  .contact-form {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .strengths-grid {
    grid-template-columns: 1fr;
  }

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

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

  .section-desc br {
    display: none;
  }
}