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

:root {
  --primary-color: #4CAF50;
  --primary-dark: #388E3C;
  --primary-light: #8BC34A;
  --gradient-start: #4CAF50;
  --gradient-end: #8BC34A;
  --bg-dark: #0a1628;
  --bg-darker: #060d18;
  --bg-card: #111d2e;
  --bg-card-hover: #152238;
  --text-white: #ffffff;
  --text-gray: #a0aec0;
  --text-light: #cbd5e0;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(76, 175, 80, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-white);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

.top-bar {
  background-color: var(--bg-darker);
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-gray);
}

.top-bar-left,
.top-bar-right {
  display: flex;
  gap: 24px;
}

.top-bar span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-bar i {
  color: var(--primary-color);
}

.header {
  background-color: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header.scrolled {
  background-color: rgba(6, 13, 24, 0.98);
  box-shadow: var(--shadow);
}

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

.logo img {
  height: 65px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

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

.nav-cta {
  padding: 10px 24px;
}

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

.hamburger .bar {
  width: 25px;
  height: 3px;
  background-color: var(--text-white);
  border-radius: 3px;
  transition: var(--transition);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 0;
  overflow: hidden;
  background: #1a1a2e;
  background: linear-gradient(135deg, #0d0d1a 0%, #1a1a2e 40%, #16213e 100%);
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-social-sidebar {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  z-index: 3;
}

.sidebar-social-link {
  color: var(--text-gray);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 1px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  transition: var(--transition);
}

.sidebar-social-link:hover {
  color: var(--primary-color);
}

.sidebar-divider {
  width: 1px;
  height: 24px;
  background: var(--border-color);
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 28px;
  text-transform: uppercase;
  letter-spacing: -1px;
}

.hero-title-line {
  display: block;
}

.hero-dot {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--text-gray);
  border-radius: 50%;
  margin-left: 8px;
  vertical-align: middle;
}

.hero-description {
  font-size: 1rem;
  color: var(--text-gray);
  margin-bottom: 40px;
  max-width: 500px;
  line-height: 1.7;
}

.btn-hero-outline {
  background: transparent;
  color: var(--text-white);
  border: 2px solid var(--text-white);
  font-weight: 600;
  letter-spacing: 2px;
  font-size: 14px;
  padding: 16px 40px;
  transition: var(--transition);
}

.btn-hero-outline:hover {
  background: var(--text-white);
  color: #1a1a2e;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-illustration-img {
  max-width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.features {
  padding: 80px 0;
  background-color: var(--bg-darker);
}

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

.feature-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.2), rgba(139, 195, 74, 0.2));
  border-radius: 16px;
  font-size: 28px;
  color: var(--primary-color);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-gray);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
}

.services {
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 40px 32px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.service-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-10px);
  background: var(--bg-card-hover);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.15), rgba(139, 195, 74, 0.15));
  border-radius: 20px;
  font-size: 32px;
  color: var(--primary-color);
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-gray);
  margin-bottom: 20px;
  line-height: 1.7;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.about {
  padding: 100px 0;
  background-color: var(--bg-darker);
}

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

.about-text .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.about-description {
  font-size: 1.05rem;
  color: var(--text-gray);
  margin-bottom: 32px;
  line-height: 1.8;
}

.about-features {
  list-style: none;
  margin-bottom: 32px;
}

.about-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-features i {
  color: var(--primary-color);
  font-size: 1.1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-gray);
}

.portfolio {
  padding: 100px 0;
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  color: var(--text-light);
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-color: var(--primary-color);
  color: var(--text-white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.portfolio-item {
  border-radius: 16px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition);
}

.portfolio-item.animate {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 22, 40, 0.95), rgba(10, 22, 40, 0.3));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.portfolio-overlay p {
  font-size: 0.9rem;
  color: var(--primary-color);
}

.why-us {
  padding: 100px 0;
  background-color: var(--bg-darker);
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.why-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.why-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.why-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: var(--primary-color);
}

.why-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.15), rgba(139, 195, 74, 0.15));
  border-radius: 50%;
  font-size: 32px;
  color: var(--primary-color);
}

.why-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--text-gray);
  line-height: 1.7;
}

.contact {
  padding: 100px 0;
}

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

.contact-brand {
  opacity: 0;
  transform: translateX(-30px);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-brand.animate {
  opacity: 1;
  transform: translateX(0);
}

.contact-logo {
  height: 140px;
  width: auto;
  margin-bottom: 8px;
}

.contact-slogan {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-white);
  text-align: center;
}

.contact-info {
  opacity: 0;
  transform: translateX(30px);
}

.contact-info.animate {
  opacity: 1;
  transform: translateX(0);
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.15), rgba(139, 195, 74, 0.15));
  border-radius: 16px;
  font-size: 24px;
  color: var(--primary-color);
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.contact-details p {
  color: var(--text-gray);
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

.social-link {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-light);
  font-size: 20px;
  transition: var(--transition);
}

.social-link:hover {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-color: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-3px);
}

.footer {
  background-color: var(--bg-darker);
  padding: 80px 0 30px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-logo {
  height: 50px;
  margin-bottom: 20px;
}

.footer-brand p {
  color: var(--text-gray);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.7;
}

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

.footer-social a {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-light);
  font-size: 18px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-color: var(--primary-color);
  color: var(--text-white);
}

.footer-links h3,
.footer-contact h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 14px;
}

.footer-links a {
  color: var(--text-gray);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-gray);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.footer-contact i {
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border: none;
  border-radius: 12px;
  color: var(--text-white);
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(76, 175, 80, 0.4);
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-darker);
    flex-direction: column;
    padding: 80px 30px 30px;
    gap: 20px;
    transition: var(--transition);
    z-index: 998;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
    z-index: 999;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero-social-sidebar {
    display: none;
  }

  .hero-split {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-title {
    font-size: 2.2rem;
  }

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

  .hero-buttons {
    justify-content: center;
  }

  .hero-illustration {
    order: -1;
  }

  .hero-illustration-img {
    max-height: 300px;
  }

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

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

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

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

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

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

  .contact-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .contact-slogan {
    font-size: 2rem;
  }

  .contact-logo {
    height: 100px;
  }

  .contact-item {
    justify-content: center;
  }

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

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

  .footer-social {
    justify-content: center;
  }

  .footer-contact p {
    justify-content: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .scroll-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-description {
    font-size: 0.9rem;
  }

  .hero-illustration-img {
    max-height: 220px;
  }

  .stat-number {
    font-size: 2.5rem;
  }

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

  .portfolio-filters {
    flex-direction: column;
    align-items: center;
  }

  .filter-btn {
    width: 100%;
    max-width: 200px;
  }
}