:root {
      --primary: #2563eb;
      --secondary: #1e293b;
      --background: #f8fafc;
      --surface: #ffffff;
      --text: #334155;
      --muted: #64748b;
      --radius: 14px;
      --shadow: 0 10px 25px rgba(0,0,0,0.08);
    }
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: var(--background);
  color: var(--text);
}

header {
  background: var(--surface);
  padding: 20px 60px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header img {
  height: 50px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
}

nav ul li a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: 0.3s;
}

nav ul li a:hover {
  color: var(--primary);
}

section.contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 60px 20px;
}

.contact-header {
  text-align: center;
  margin-bottom: 50px;
}

.contact-header h1 {
  font-size: 2.5rem;
  color: var(--secondary);
}

.contact-header p {
  color: var(--muted);
  font-size: 1rem;
  margin-top: 8px;
}

.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 40px;
  max-width: 1100px;
  width: 100%;
}

.contact-info {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 20px;
}

.info-item i {
  font-size: 1.5rem;
  color: var(--primary);
  background: rgba(37,99,235,0.08);
  padding: 12px;
  border-radius: 10px;
}

.info-item div h4 {
  margin-bottom: 4px;
  font-weight: 600;
}

.info-item div p {
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.contact-form h3 {
  margin-bottom: 20px;
  color: var(--secondary);
  font-weight: 600;
}

.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form input,
.contact-form textarea {
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background: #f9fafb;
  transition: border 0.3s ease, background 0.3s ease;
  resize: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
}

.contact-form button {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 14px 26px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  align-self: flex-start;
}

.contact-form button:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37,99,235,0.3);
}