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

:root {
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --bg: #f7f8fa;
  --card-bg: #fff;
  --text-main: #222;
  --text-muted: #6b7280;
  --radius: 24px;
  --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
  --transition: 0.2s cubic-bezier(.4,2,.6,1);
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', Arial, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  min-height: 100vh;
  box-sizing: border-box;
}

header {
  background: #fff;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.06);
  padding: 0.7rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-left: 2.5rem;
  letter-spacing: 1px;
}
.logo img {
  height: 38px;
  margin-right: 0.7rem;
}
nav {
  display: flex;
  gap: 2.2rem;
  margin-right: 2.5rem;
}
nav a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
  position: relative;
}
nav a.active, nav a:hover {
  color: var(--primary);
  background: #e0e7ff;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 70vh;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}
.hero-text {
  flex: 1 1 400px;
}
.hero-title {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
  line-height: 1.1;
}
.hero-sub {
  font-size: 2.2rem;
  font-weight: 700;
  color: #2563eb;
  margin-bottom: 1.2rem;
}
.hero-desc {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 2.2rem;
}
.hero-actions {
  display: flex;
  gap: 1.2rem;
}
.btn {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 1rem 2.2rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(37,99,235,0.08);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-light);
}
.btn-outline {
  background: #fff;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: #e0e7ff;
}
.hero-img {
  flex: 1 1 350px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-img img {
  width: 100%;
  max-width: 480px;
  border-radius: 2rem;
  box-shadow: var(--shadow);
}

.card-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  width: 100%;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.2rem 2rem 1.7rem 2rem;
  flex: 1 1 320px;
  max-width: 370px;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.18s cubic-bezier(.4,2,.6,1), box-shadow 0.18s cubic-bezier(.4,2,.6,1);
}
.card:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 12px 32px 0 rgba(37,99,235,0.13);
}
.card-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1.2rem;
}
.card-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.7rem;
  color: var(--primary);
}
.card-desc {
  font-size: 1.08rem;
  color: var(--text-muted);
}

form {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.2rem 2rem 1.7rem 2rem;
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
label {
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 600;
}
input, textarea {
  padding: 0.9rem;
  border-radius: 12px;
  border: 1.5px solid #e5e7eb;
  font-size: 1.08rem;
  background: #f3f4f6;
  color: var(--text-main);
  resize: vertical;
  transition: border var(--transition), box-shadow var(--transition);
}
input:focus, textarea:focus {
  border: 1.5px solid var(--primary);
  box-shadow: 0 2px 12px var(--primary-light);
}
.contact-info {
  margin-top: 2.5rem;
  color: var(--text-muted);
  font-size: 1.08rem;
  text-align: center;
}

footer {
  text-align: center;
  padding: 2.2rem 0 1.2rem 0;
  color: var(--text-muted);
  font-size: 1.08rem;
  background: transparent;
  margin-top: 2rem;
}

@media (max-width: 900px) {
  main { max-width: 98vw; padding: 1.2rem 0.5rem; }
  .hero { flex-direction: column; align-items: flex-start; }
  .hero-img { margin-top: 2rem; }
  .card-list { flex-direction: column; align-items: center; }
}
@media (max-width: 600px) {
  .hero-title { font-size: 2rem; }
  .hero-sub { font-size: 1.2rem; }
  .logo { font-size: 1.1rem; }
  nav { gap: 1rem; }
  nav a { font-size: 1rem; }
  .card { padding: 1.2rem 0.7rem; }
  form { padding: 1.2rem 0.7rem; }
}