:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #666;
  --secondary-two: #444;
  --accent-light: #eff6ff;
  --accent-dark: #1e40af;
  --border: #e5e5e5;
  --border-light: #f3f4f6;
  --background: #fafafa;
  --white: #ffffff;
  --text: #333;
  --heading: #111;
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.dark-mode{
  --primary: #6b9aff;
  --primary-hover: #87a7ff;
  --secondary: #aaaaaa;
  --secondary-two: #cacaca;
  --accent-light: #303235;
  --accent-dark: #5c82ff;
  --border: #181616;
  --border-light: #797979;
  --background: #252525;
  --white: #2b2b2b;
  --text: #ffffff;
  --heading: #ffffff;
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--text);
  background: var(--background);
}

nav {
  background: var(--white);
  padding: 1.2rem 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
}

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

nav a {
  color: var(--secondary);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.hero {
  background: var(--white);
  padding: 5rem 2rem;
  text-align: center;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  margin-top: 5%;
}

.credential {
  display: inline-block;
  background: var(--accent-light);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  color: var(--heading);
  font-weight: 700;
}

.hero p {
  font-size: 1.2rem;
  color: var(--secondary);
  margin-bottom: 2rem;
}

.cta-button {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 0.9rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
}

.cta-button:hover {
  background: var(--primary-hover);
}

section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--heading);
  font-weight: 600;
}

.section-intro {
  color: var(--secondary);
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.stat-box {
  background: var(--white);
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
  border: 1px solid var(--border);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.3rem;
}

.stat-label {
  color: var(--secondary);
  font-size: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  padding: 1.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  color: var(--heading);
  font-weight: 600;
}

.card p {
  color: var(--secondary);
  font-size: 1rem;
}

.pricing-box {
  background: var(--white);
  max-width: 550px;
  margin: 0 auto;
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1.5rem 0;
}

.price-note {
  color: var(--secondary);
  font-size: 1rem;
}

.features-list {
  list-style: none;
  margin: 2rem 0;
}

.features-list li {
  padding: 0.7rem 0;
  color: var(--secondary);
  border-bottom: 1px solid var(--border-light);
}

.features-list li:last-child {
  border-bottom: none;
}

.offer-box {
  background: var(--accent-light);
  padding: 1rem;
  border-radius: 6px;
  text-align: center;
  margin-top: 1.5rem;
  color: var(--accent-dark);
  font-weight: 500;
}

.contact-form {
  max-width: 550px;
  margin: 0 auto;
  background: var(--white);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 1.3rem;
}

label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--secondary-two);
  font-weight: 500;
  font-size: 1rem;
}

input, textarea, select {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
}

button {
  width: 100%;
  background: var(--primary);
  color: var(--white);
  padding: 0.9rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
}

button:hover {
  background: var(--primary-hover);
}

#formMessage {
  margin-top: 1rem;
  text-align: center;
  color: var(--primary);
  font-weight: 500;
}

footer {
  background: var(--white);
  text-align: center;
  padding: 2rem;
  color: var(--secondary);
  font-size:1rem;
  border-top: 1px solid var(--border);
}

#darkmode{
    background:none;
    border:none;
    margin:0;
    padding:0;
    cursor: pointer;
}

nav .nav-button {
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  nav ul {
    gap: 1rem;
    font-size: 0.9rem;
  }
}

#header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    transition: transform 0.25s ease;
}