:root {
  --primary: #4f8cff;
  --accent: #16d9e3;
  --bg: #f9fbfd;
  --dark: #1a2236;
  --light: #fff;
  --gray: #e3e7ee;
  --radius: 18px;
  --shadow: 0 4px 32px 0 rgba(79,140,255,0.06);
  --transition: 0.2s cubic-bezier(.4,0,.2,1);
  font-family: 'Inter', Arial, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--dark);
  font-size: 18px;
}

header {
  background: var(--light);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.container {
  width: 90%;
  max-width: 1120px;
  margin: 0 auto;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: 2rem;
  font-weight: bold;
  letter-spacing: 1px;
}

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

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}

nav a.cta, .btn-primary {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: var(--light)!important;
  border-radius: var(--radius);
  padding: 0.6em 1.6em;
  font-weight: 700;
  box-shadow: var(--shadow);
  transition: background var(--transition), color var(--transition);
  border: none;
  cursor: pointer;
}

nav a.cta:hover, .btn-primary:hover {
  background: linear-gradient(90deg, var(--accent), var(--primary));
  color: var(--light);
}

.hero {
  background: linear-gradient(100deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--light);
  padding: 70px 0 50px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.hero-content h1 {
  font-size: 2.8rem;
  margin-top: 0;
  margin-bottom: 0.5em;
}

.hero-content p {
  font-size: 1.3rem;
  max-width: 480px;
}

.hero-illustration {
  width: 330px;
  max-width: 90vw;
}

.solutions {
  padding: 60px 0 40px 0;
  background: var(--bg);
}

.solutions h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 40px;
}

.solution-cards {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.card {
  background: var(--light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.5rem;
  min-width: 260px;
  max-width: 320px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 6px 36px 0 rgba(79,140,255,0.13);
}

.icon-bg {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: var(--light);
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2rem;
}

.about {
  background: var(--light);
  padding: 60px 0 40px 0;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.about-content h2 {
  font-size: 2rem;
}

.about-content p {
  font-size: 1.1rem;
}

.about-list {
  margin: 1.5em 0 0 0;
  padding-left: 0;
  list-style: none;
}

.about-list li {
  margin-bottom: 0.7em;
  font-size: 1rem;
}

.about-illustration {
  width: 270px;
  max-width: 90vw;
  margin-top: 2em;
}

.contact {
  background: var(--gray);
  padding: 60px 0 40px 0;
}

.contact-content {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.contact h2 {
  font-size: 2rem;
  margin-bottom: 1.5em;
}

#contactForm {
  display: flex;
  flex-direction: column;
  gap: 1.2em;
  align-items: stretch;
}

.input-group {
  display: flex;
  gap: 1em;
  flex-wrap: wrap;
}

.input-group input {
  flex: 1;
  padding: 0.9em;
  border: none;
  border-radius: var(--radius);
  background: var(--light);
  font-size: 1rem;
  box-shadow: var(--shadow);
}

textarea {
  padding: 0.9em;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  box-shadow: var(--shadow);
  resize: vertical;
  min-height: 90px;
}

#formMessage {
  margin-top: 0.5em;
  font-size: 1rem;
  min-height: 1.3em;
  color: var(--primary);
}

footer {
  background: var(--dark);
  color: var(--light);
  padding: 1.5em 0;
  text-align: center;
  margin-top: 30px;
}

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

footer a {
  color: var(--accent);
  margin-left: 1.1em;
  text-decoration: none;
  font-weight: 500;
}

@media (max-width: 900px) {
  .hero-content, .about-content, .solution-cards {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .about-illustration, .hero-illustration {
    margin: 2em 0 0 0;
  }
  .about-content > div {
    margin-bottom: 1em;
  }
  .solution-cards {
    gap: 2em;
  }
  .nav-container {
    flex-direction: column;
    height: auto;
    gap: 1em;
  }
}

@media (max-width: 600px) {
  .container {
    width: 97%;
  }
  .card {
    min-width: unset;
    width: 100%;
  }
}