:root {
  --color-bg: #101720;
  --color-surface: #1a2332;
  --color-surface-light: #232f42;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: rgba(255, 255, 255, 0.95);
  --color-text-muted: rgba(255, 255, 255, 0.6);
  --color-text-dim: rgba(255, 255, 255, 0.4);
  --color-accent: #ff6b00;
  --color-accent-light: #ff8533;
  --color-accent-dark: #cc5500;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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: 3rem;
  --font-size-6xl: 4rem;
  
  --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;
  --space-32: 8rem;
  
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

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

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: all var(--duration-base) var(--ease-out);
}

.header.scrolled {
  background: rgba(26, 35, 50, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  max-width: 1200px;
  margin: 0 auto;
  overflow: visible;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 60px;
  width: auto;
  transition: transform var(--duration-base) var(--ease-out);
  position: relative;
  top: 5px;
}

.logo:hover .logo-img {
  transform: scale(1.05);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
  transform: translateX(-50%);
}

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

.nav-cta {
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: white;
  border-radius: 4px;
  font-weight: 600;
}

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

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

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--duration-base) var(--ease-out);
  transform-origin: center;
}

.menu-toggle.active span:first-child {
  transform: rotate(45deg) translateY(6px);
}

.menu-toggle.active span:last-child {
  transform: rotate(-45deg) translateY(-6px);
}

.nav-mobile {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(16, 23, 32, 0.94);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.nav-link-mobile {
  display: inline-block;
  padding: var(--space-1) 0;
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  transition: color var(--duration-fast) ease, transform var(--duration-fast) ease;
  letter-spacing: 0.05em;
  text-shadow: 0 5px 20px rgba(0, 0, 0, 0.7);
}

.nav-link-mobile:hover,
.nav-link-mobile:active {
  color: var(--color-accent);
  transform: translateX(6px);
}

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-img,
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: blur(3px);
  -webkit-filter: blur(3px);
}

.hero-video {
  display: block;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, 
    rgba(16, 23, 32, 0.4) 0%,
    rgba(16, 23, 32, 0.8) 100%
  );
}

.hero-content {
  text-align: center;
  padding: var(--space-4);
  max-width: 800px;
  margin: 0 auto;
  animation: fadeInUp 1s var(--ease-out);
}

.hero-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  animation: fadeIn 1s 1s backwards;
  cursor: pointer;
}

.scroll-line {
  display: none; 
}

.hero-scroll::after {
  content: '';
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, #fff 50%, rgba(255,255,255,0) 100%);
  background-size: 100% 200%;
  animation: scrollFlow 2s linear infinite;
}

.hero-scroll::before {
  display: none;
}

@keyframes scrollFlow {
  0% { background-position: 0% -100%; }
  100% { background-position: 0% 200%; }
}

.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  text-align: center;
}

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

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

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

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-block {
  width: 100%;
}

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

.section-accent {
  background: var(--color-surface-light);
}

.section-header {
  margin-bottom: var(--space-12);
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
}

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

.service-item {
  padding: var(--space-6) 0;
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
}

.service-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

.service-item:last-child::after {
  display: none;
}

.service-item:hover {
  transform: translateX(10px);
}

.service-item h3 {
  margin-bottom: var(--space-2);
  color: var(--color-text);
  transition: color var(--duration-base) var(--ease-out);
}

.service-item:hover h3 {
  color: var(--color-accent);
}

.service-item p {
  margin: 0;
  font-size: var(--font-size-sm);
}

.stats {
  padding: var(--space-16) 0;
  background: var(--color-surface);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-2);
  display: inline-block;
  min-width: 120px;
}

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

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

#careers .content-main {
  text-align: center;
}

.content-main h3 {
  margin-bottom: var(--space-4);
}

.content-image {
  border-radius: 8px;
  overflow: hidden;
}

.hidden-image {
  display: none !important;
}

.content-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.benefits-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin: var(--space-10) 0;
}

.benefit {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-4) 0;
  transition: all var(--duration-base) var(--ease-out);
}

.benefit:hover {
  transform: translateX(10px);
}

.benefit-animated {
  gap: var(--space-8);
}

.benefit-img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.benefit-img-large {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: brightness(1.1);
  animation: smoothPulse 3s ease-in-out infinite;
  transform-origin: center;
}

@keyframes smoothPulse {
  0% {
    transform: scale(1);
    filter: brightness(1.08);
  }
  50% {
    transform: scale(1.035);
    filter: brightness(1.15);
  }
  100% {
    transform: scale(1);
    filter: brightness(1.08);
  }
}

.benefit-text {
  padding: 0;
}

.benefit h4 {
  margin-bottom: var(--space-1);
  font-size: var(--font-size-base);
}

.benefit p {
  margin: 0;
  font-size: var(--font-size-sm);
}

.company-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--duration-base) var(--ease-out);
}

.info-item:hover {
  padding-left: var(--space-2);
}

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

.info-value {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
}

.business-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.business-lead {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
}

.business-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.feature {
  padding: var(--space-6) 0;
  text-align: center;
  transition: all var(--duration-base) var(--ease-out);
}

.feature:hover {
  transform: scale(1.05);
}

.feature h3 {
  margin-bottom: var(--space-2);
  color: var(--color-accent);
}

.feature p {
  margin: 0;
}

.footer {
  padding: var(--space-12) 0 var(--space-6);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand {
  text-align: center;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin: 0 auto var(--space-4);
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

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

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

.footer-contact p {
  margin-bottom: var(--space-2);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-text-dim);
}

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.loading-screen.hide {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  text-align: center;
  padding: var(--space-8);
}

.loading-logo {
  width: 160px;
  height: 160px;
  margin: 0 auto var(--space-6);
  animation: pulse 2s infinite;
}

.loading-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-8);
  animation: fadeInUp 1s var(--ease-out);
}

.loading-progress {
  width: 200px;
  height: 2px;
  background: var(--color-surface);
  margin: 0 auto;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.loading-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  animation: loadingBar 2s ease-out forwards;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

@keyframes loadingBar {
  to {
    left: 100%;
  }
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(16, 23, 32, 0.9);
  backdrop-filter: blur(20px);
  z-index: 1000;
  padding: var(--space-4);
  animation: fadeIn var(--duration-base) var(--ease-out);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-8);
  max-width: 500px;
  width: 100%;
  position: relative;
  animation: slideUp var(--duration-slow) var(--ease-out);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all var(--duration-fast) var(--ease-out);
}

.modal-close:hover {
  background: var(--color-surface-light);
  color: var(--color-text);
}

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: all var(--duration-fast) var(--ease-out);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-text-dim);
}

.contact-form textarea {
  resize: vertical;
}

.toast {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  border-radius: 8px;
  padding: var(--space-4) var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: all var(--duration-base) var(--ease-out);
  z-index: 2000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast-message {
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--duration-slow) var(--ease-out);
}

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }

  .header-container {
    padding: var(--space-5) var(--space-8);
  }

  .logo-img {
    height: 80px;
    top: 8px;
  }

  .nav-desktop {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .nav-mobile {
    display: none !important;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
  
  .service-item::after {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    background: rgba(16, 23, 32, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    margin-top: -100px;
    position: relative;
    z-index: 10;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .section:nth-child(3) {
    padding-top: 140px; 
  }
  
  .stat-number {
    font-size: var(--font-size-6xl);
  }

  .benefits-list {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .benefit-img-large {
    width: 120px;
    height: 120px;
  }

  .business-features {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }

  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
    text-align: left;
  }

  .footer-brand {
    text-align: left;
  }

  .footer-logo {
    margin: 0 0 var(--space-4);
  }

  .footer-links {
    justify-content: flex-start;
  }

  .footer-contact {
    text-align: left;
  }
}

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

  #about .content-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-16);
    align-items: start;
  }
  
  #about .content-main {
    max-width: 700px;
  }
  
  #about .content-image {
    max-width: 500px;
    margin: 0 auto;
  }
  
  #careers .content-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  #careers .content-image {
    display: none;
  }
  
  #careers .content-main {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
  }
  
  #careers .content-main p {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .benefits-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8) var(--space-12);
    text-align: left;
    margin-top: var(--space-12);
  }

  .content-grid-reverse {
    direction: ltr;
  }

  .content-grid-reverse > * {
    direction: ltr;
  }

  .company-info {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}