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

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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #131b2f;
  --bg-tertiary: #1a2847;
  --text-primary: #f2f5f9;
  --text-secondary: #b3bcc9;
  --accent: #00b8ff;
  --accent-dark: #0096d6;
  --border-color: rgba(255, 255, 255, 0.1);
  --transition: all 0.3s ease-in-out;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  padding: 0 1rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

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

nav {
  display: none;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  nav {
    display: flex;
  }
}

nav button {
  background: none;
  border: none;
  color: rgba(242, 245, 249, 0.8);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

nav button:hover {
  color: var(--accent);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switcher {
  display: flex;
  gap: 0.5rem;
  background-color: var(--bg-secondary);
  border-radius: 0.5rem;
  padding: 0.25rem;
}

.lang-btn {
  background: none;
  border: none;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(242, 245, 249, 0.6);
  cursor: pointer;
  border-radius: 0.375rem;
  transition: var(--transition);
}

.lang-btn.active {
  background-color: var(--accent);
  color: white;
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

.nav-cta {
  display: none;
  padding: 0.5rem 1rem;
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

@media (min-width: 640px) {
  .nav-cta {
    display: inline-block;
  }
}

.nav-cta:hover {
  background-color: var(--accent-dark);
}

#mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 768px) {
  #mobile-menu-btn {
    display: none;
  }
}

#mobile-menu-btn span {
  width: 1.5rem;
  height: 0.125rem;
  background-color: var(--text-primary);
  transition: var(--transition);
}

#mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(0.5rem, 0.5rem);
}

#mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

#mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(0.5rem, -0.5rem);
}

#mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  border-top: 1px solid var(--border-color);
}

#mobile-menu.active {
  display: flex;
}

@media (min-width: 768px) {
  #mobile-menu {
    display: none !important;
  }
}

#mobile-menu button {
  width: 100%;
  text-align: left;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  color: rgba(242, 245, 249, 0.8);
  cursor: pointer;
  border-radius: 0.375rem;
  transition: var(--transition);
}

#mobile-menu button:hover {
  background-color: var(--bg-secondary);
  color: var(--accent);
}

#mobile-menu .mobile-cta {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: var(--transition);
}

#mobile-menu .mobile-cta:hover {
  background-color: var(--accent-dark);
}

/* Hero Section */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--bg-primary);
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/hero-gradient.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  z-index: 1;
}

#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--bg-primary), rgba(10, 14, 26, 0.5), transparent);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-text {
  animation: fadeInUp 0.8s ease-out;
}

.hero-text h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .hero-text h1 {
    font-size: 3.75rem;
  }
}

.hero-text h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #00d4ff, #0096d6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .hero-text h2 {
    font-size: 3.75rem;
  }
}

.hero-text p {
  font-size: 1.125rem;
  color: rgba(242, 245, 249, 0.8);
  margin-bottom: 2rem;
  max-width: 28rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--accent);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: none;
  border: 2px solid var(--accent);
  color: var(--accent);
}

.btn-secondary:hover {
  background-color: rgba(0, 184, 255, 0.1);
}

.hero-visual {
  display: none;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 24rem;
}

@media (min-width: 768px) {
  .hero-visual {
    display: flex;
  }
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(0, 184, 255, 0.2), transparent);
  filter: blur(60px);
}

.hero-visual-box {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 1.5rem;
  border: 1px solid rgba(0, 184, 255, 0.2);
  backdrop-filter: blur(10px);
  overflow: hidden;
  background-image: url('images/tech-stack-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}

.hero-visual-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-primary), transparent);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 1.5rem;
  height: 2.5rem;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(0.5rem);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Services Section */
#services {
  padding: 5rem 0;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .section-header h2 {
    font-size: 3rem;
  }
}

.section-header p {
  font-size: 1.125rem;
  color: rgba(242, 245, 249, 0.7);
  max-width: 28rem;
  margin-bottom: 1rem;
}

.section-divider {
  width: 5rem;
  height: 0.25rem;
  background: linear-gradient(to right, #00d4ff, #0096d6, transparent);
  border-radius: 9999px;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  padding: 2rem;
  border-radius: 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.service-card:hover {
  border-color: rgba(0, 184, 255, 0.5);
  box-shadow: 0 10px 30px rgba(0, 184, 255, 0.1);
  transform: translateY(-0.25rem);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background-color: rgba(0, 184, 255, 0.1);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background-color: rgba(0, 184, 255, 0.2);
}

.service-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--accent);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.service-card p {
  color: rgba(242, 245, 249, 0.7);
  line-height: 1.7;
}

/* Technologies Section */
#technologies {
  padding: 5rem 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

#technologies::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/tech-stack-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.05;
  z-index: 0;
}

#technologies > .container {
  position: relative;
  z-index: 10;
}

.tech-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .tech-items {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tech-tag {
  padding: 1rem;
  border-radius: 0.75rem;
  background-color: rgba(10, 14, 26, 0.5);
  border: 1px solid var(--border-color);
  text-align: center;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.tech-tag:hover {
  border-color: rgba(0, 184, 255, 0.5);
  background-color: rgba(10, 14, 26, 0.8);
  color: var(--accent);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-card {
  padding: 2rem;
  border-radius: 1rem;
  background-color: rgba(10, 14, 26, 0.5);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: rgba(0, 184, 255, 0.5);
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: rgba(242, 245, 249, 0.7);
  font-weight: 500;
}

/* Global Experience Section */
#global-experience {
  padding: 5rem 0;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}

.global-map {
  margin-bottom: 3rem;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.global-map img {
  width: 100%;
  height: auto;
  display: block;
}

.regions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .regions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .regions-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.region-card {
  padding: 1.5rem;
  border-radius: 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.region-card:hover {
  border-color: rgba(0, 184, 255, 0.5);
}

.region-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background-color: rgba(0, 184, 255, 0.1);
  margin-bottom: 1rem;
  transition: var(--transition);
}

.region-card:hover .region-icon {
  background-color: rgba(0, 184, 255, 0.2);
}

.region-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--accent);
}

.region-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.region-count {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.region-locations {
  font-size: 0.875rem;
  color: rgba(242, 245, 249, 0.7);
}

/* Contact Section */
#contact {
  padding: 5rem 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
}

.contact-item-icon {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background-color: rgba(0, 184, 255, 0.1);
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--accent);
}

.contact-item-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.contact-item-content p,
.contact-item-content a {
  color: rgba(242, 245, 249, 0.7);
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre-line;
}

.contact-item-content a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

.contact-item-content a:hover {
  color: var(--accent-dark);
}

.why-choose {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.why-choose h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.why-choose ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.why-choose li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  color: rgba(242, 245, 249, 0.8);
  font-size: 0.875rem;
}

.check-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.contact-form {
  padding: 2rem;
  border-radius: 1rem;
  background-color: rgba(10, 14, 26, 0.5);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.875rem;
  transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(242, 245, 249, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 184, 255, 0.1);
}

.form-group textarea {
  resize: none;
  min-height: 6rem;
}

.form-submit {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

.form-submit:hover:not(:disabled) {
  background-color: var(--accent-dark);
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Notification */
.notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  transform: translateY(2rem);
  transition: var(--transition);
  max-width: 20rem;
}

.notification.show {
  opacity: 1;
  transform: translateY(0);
}

.notification.success {
  background-color: #10b981;
  color: white;
}

.notification.error {
  background-color: #ef4444;
  color: white;
}

/* Footer */
footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-section p {
  font-size: 0.875rem;
  color: rgba(242, 245, 249, 0.7);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-section a {
  font-size: 0.875rem;
  color: rgba(242, 245, 249, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background-color: rgba(10, 14, 26, 0.5);
  border: 1px solid var(--border-color);
  color: rgba(242, 245, 249, 0.7);
  transition: var(--transition);
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.social-link svg {
  width: 1rem;
  height: 1rem;
}

.footer-divider {
  border-top: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: rgba(242, 245, 249, 0.6);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: rgba(242, 245, 249, 0.6);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Responsive */
@media (max-width: 640px) {
  .section-header h2 {
    font-size: 1.875rem;
  }

  .hero-text h1,
  .hero-text h2 {
    font-size: 2rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}