@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;500;700&display=swap');

:root {
--primary-color: #1e90ff;
--secondary-color: #0a0a0a;
--accent-color: #ffce00;
--text-color: #f5f5f5;
--card-bg: rgba(26, 26, 26, 0.75);
--blur-bg: rgba(15, 15, 15, 0.6);
--border-radius: 15px;
--transition-speed: 0.4s;
--shadow-glow: 0 0 20px rgba(30, 144, 255, 0.5);
}

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

body {
font-family: 'Poppins', sans-serif;
background: linear-gradient(120deg, #0a0a0a, #111a1f);
color: var(--text-color);
line-height: 1.6;
padding: 0 20px;
overflow-x: hidden;
}

header {
text-align: center;
padding: 80px 20px 40px;
background: linear-gradient(to right, #0f2027cc, #203a43cc, #2c5364cc);
backdrop-filter: blur(6px);
border-bottom: 4px solid var(--primary-color);
box-shadow: var(--shadow-glow);
border-radius: 0 0 30px 30px;
}

header h1 {
font-size: 3.5em;
color: var(--accent-color);
margin-bottom: 10px;
letter-spacing: 1.5px;
text-shadow: 0 0 10px #ffce00aa;
}

header p {
font-size: 1.2em;
color: #ccc;
max-width: 600px;
margin: 0 auto;
}

nav {
font-size: 22px;
display: flex;
justify-content: center;
background: #111111dd;
backdrop-filter: blur(4px);
padding: 25px;
gap: 30px;
border-bottom: 2px solid var(--primary-color);
position: sticky;
top: 0;
z-index: 1000;
}

nav a {
color: var(--text-color);
text-decoration: none;
font-weight: 500;
position: relative;
transition: all var(--transition-speed);
}

nav a::after {
content: '';
position: absolute;
left: 0;
bottom: -5px;
height: 3px;
width: 0%;
background-color: var(--primary-color);
box-shadow: 0 0 8px var(--primary-color);
transition: width var(--transition-speed);
}

nav a:hover {
color: var(--accent-color);
transform: scale(1.1);
}

nav a:hover::after {
width: 100%;
}

main {
max-width: 1000px;
margin: 60px auto;
display: flex;
flex-direction: column;
gap: 40px;
padding: 0 15px;
}

section {
background: var(--card-bg);
backdrop-filter: blur(5px);
padding: 35px;
border-radius: var(--border-radius);
box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
transition: all 0.4s ease;
border: 1px solid rgba(255, 255, 255, 0.1);
}

section:hover {
transform: translateY(-8px);
box-shadow: 0 0 30px rgba(30, 144, 255, 0.4);
}

h2 {
color: var(--primary-color);
margin-bottom: 20px;
font-size: 2em;
position: relative;
}

h2::after {
content: '';
display: block;
height: 3px;
width: 50px;
background: var(--accent-color);
margin-top: 10px;
border-radius: 2px;
}

ul {
list-style: none;
padding-left: 20px;
}

ul li {
margin-bottom: 15px;
position: relative;
padding-left: 25px;
}

ul li::before {
color: var(--accent-color);
position: absolute;
left: 0;
font-size: 1em;
line-height: 1;
}

button {
background: linear-gradient(145deg, var(--primary-color), #187bcd);
color: white;
border: none;
padding: 14px 30px;
border-radius: 50px;
font-size: 1.2em;
font-weight: bold;
cursor: pointer;
transition: all var(--transition-speed);
box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

button:hover {
background: var(--accent-color);
color: #000;
transform: translateY(-3px) scale(1.05);
box-shadow: 0 0 20px #ffce00aa;
}

footer {
text-align: center;
padding: 30px 0;
margin-top: 60px;
font-size: 0.9em;
color: #aaa;
border-top: 2px solid var(--primary-color);
background: #0d0d0dcc;
backdrop-filter: blur(3px);
border-radius: 30px 30px 0 0;
box-shadow: 0 -3px 15px rgba(0, 0, 0, 0.3);
}