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

:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --dark: #0f172a;
  --gray-900: #1e293b;
  --gray-700: #334155;
  --gray-400: #94a3b8;
  --gray-100: #f1f5f9;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #4f46e5, #06b6d4);
  --shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --radius: 12px;
  --transition: .3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin: 16px 0;
  color: var(--dark);
}

.section-header p {
  color: var(--gray-700);
  font-size: 1.125rem;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(79,70,229,.1), rgba(6,182,212,.1));
  color: var(--primary);
  border-radius: 50px;
  font-size: .875rem;
  font-weight: 600;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  padding: 12px 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
  text-decoration: none;
}

.logo span {
  color: var(--primary);
}

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

.nav-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: .9375rem;
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

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

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition);
  border-radius: 2px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, #f8fafc, #eef2ff 50%, #ecfeff);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--gray-700);
  margin-bottom: 36px;
  line-height: 1.7;
}

.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--gradient);
  color: var(--white);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(79,70,229,.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79,70,229,.5);
}

.hero-blob {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(79,70,229,.08), rgba(6,182,212,.08));
  top: -200px;
  right: -200px;
  z-index: 1;
  animation: blobFloat 8s ease-in-out infinite;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.05); }
}

/* About */
.about {
  background: var(--white);
}

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

.about-card {
  padding: 36px 28px;
  background: var(--gray-100);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid transparent;
}

.about-card:hover {
  background: var(--white);
  border-color: rgba(79,70,229,.15);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.about-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.about-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.about-card p {
  color: var(--gray-700);
  font-size: .9375rem;
}

/* Stats */
.stats {
  background: var(--gradient);
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.8);
  font-weight: 500;
}

/* Services */
.services {
  background: var(--gray-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,.05);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(79,70,229,.15);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--gray-700);
  font-size: .9375rem;
  line-height: 1.7;
}

/* Team */
.team {
  background: var(--white);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.team-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,.05);
}

.team-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.team-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 3px solid var(--primary);
  padding: 4px;
}

.team-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.team-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-role {
  display: block;
  color: var(--primary);
  font-weight: 600;
  font-size: .875rem;
  margin-bottom: 12px;
}

.team-card p {
  color: var(--gray-700);
  font-size: .875rem;
}

/* Contact */
.contact {
  background: var(--gray-100);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
}

.contact-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 4px;
}

.contact-item h4 {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 1rem;
}

.contact-item p {
  color: var(--gray-700);
  font-size: .9375rem;
}

.contact-form {
  background: var(--white);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: inherit;
  font-size: .9375rem;
  transition: var(--transition);
  outline: none;
  background: var(--gray-100);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.1);
  background: var(--white);
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 64px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand .logo {
  color: var(--white);
}

.footer-brand p {
  color: var(--gray-400);
  margin-top: 16px;
  font-size: .9375rem;
  max-width: 320px;
}

.footer-links h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul li a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: .875rem;
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: var(--white);
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,.1);
  color: var(--white);
  text-decoration: none;
  border-radius: 8px;
  font-size: .8125rem;
  font-weight: 700;
  transition: var(--transition);
}

.social-icon:hover {
  background: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding: 24px 0;
  color: var(--gray-400);
  font-size: .875rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-content { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-header h2 { font-size: 1.75rem; }

  .hamburger { display: flex; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    box-shadow: -4px 0 24px rgba(0,0,0,.1);
    transition: var(--transition);
  }

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

  .nav-link { font-size: 1.125rem; }

  .hero-content h1 { font-size: 2.25rem; }
  .hero-content p { font-size: 1.0625rem; }

  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 32px; }

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

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.875rem; }
  .contact-form { padding: 24px; }
}