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

body {
    font-family: 'Inter', sans-serif;
    background: #0b0f14;
    color: #e5e7eb;
    line-height: 1.6;
}

a {
    color: #38bdf8;
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 40px 20px;
}

header {
    background: #0b0f14;
    border-bottom: 1px solid #1f2933;
}

header h1 {
    font-size: 26px;
    font-weight: 800;
}

header h1 span {
    color: #38bdf8;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    margin-left: 25px;
    color: #9ca3af;
    font-weight: 500;
}

nav a:hover {
    color: #38bdf8;
}

.hero {
    background: radial-gradient(circle at top, #0f172a, #020617);
    text-align: center;
}

.hero h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
}

.hero h2 span {
    color: #38bdf8;
}

.hero p {
    max-width: 700px;
    margin: auto;
    color: #9ca3af;
}

.btn {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 30px;
    background: #38bdf8;
    color: #020617;
    font-weight: 700;
    border-radius: 6px;
}

.btn:hover {
    background: #0ea5e9;
}

h3 {
    font-size: 32px;
    margin-bottom: 20px;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.card {
    background: #020617;
    border: 1px solid #1f2933;
    padding: 25px;
    border-radius: 10px;
}

.card h4 {
    margin-bottom: 10px;
    color: #38bdf8;
}

.dark {
    background: #020617;
}

.center {
    text-align: center;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.tech-list span {
    padding: 8px 14px;
    background: #0b0f14;
    border: 1px solid #1f2933;
    border-radius: 20px;
    font-size: 14px;
}

.features {
    max-width: 600px;
    margin: auto;
    list-style: none;
}

.features li {
    padding: 10px 0;
    border-bottom: 1px solid #1f2933;
}

footer {
    background: #020617;
    border-top: 1px solid #1f2933;
    font-size: 14px;
    color: #6b7280;
}