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

:root {
  --primary-dark: #1a1a1a;
  --primary-light: #2a2a2a;
  --text-main: #333;
  --text-muted: #777;
  --bg-main: #f7f7f7;
  --accent: #888;
  --radius: 16px;
  --shadow: 0 6px 20px rgba(0,0,0,0.05);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
}

header {
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  color: white;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header img {
  height: 50px;
}

header .intro {
  flex: 1;
  margin-left: 20px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  background: white;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav a {
  padding: 15px 25px;
  text-decoration: none;
  color: var(--primary-dark);
  font-weight: 600;
  transition: background 0.3s;
}

nav a:hover {
  background: #eee;
}

.carousel {
  position: relative;
  max-width: 1000px;
  margin: 20px auto;
  overflow: hidden;
  border-radius: var(--radius);
}

.carousel-slide {
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
  opacity: 1;
  position: relative;
}

.hero {
  text-align: center;
  padding: 60px 20px 20px;
  background: linear-gradient(to bottom, #1a1a1a, #2a2a2a);
  color: white;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.2rem;
  color: #ccc;
}

section {
  max-width: 1000px;
  margin: 40px auto;
  background: white;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

h2 {
  color: var(--primary-dark);
  border-left: 5px solid var(--accent);
  padding-left: 12px;
  margin-bottom: 20px;
}

footer {
  background: var(--primary-dark);
  color: white;
  text-align: center;
  padding: 20px 10px;
  margin-top: 60px;
}

ul {
  padding-left: 20px;
}

ul li {
  margin-bottom: 8px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}