:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --primary-color: #38bdf8;
    --text-color: #f1f5f9;
    --accent-color: #818cf8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    padding: 2rem 10%;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.logo { font-size: 1.5rem; font-weight: 800; }
.logo span { color: var(--primary-color); }

.nav-links { list-style: none; display: flex; gap: 2rem; }
.nav-links a { text-decoration: none; color: var(--text-color); font-weight: 500; transition: 0.3s; }
.nav-links a:hover { color: var(--primary-color); }

/* Hero Section */
.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
}

.hero h1 { font-size: 4rem; margin-bottom: 1rem; }
.highlight { color: var(--primary-color); }

/* Buttons */
.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.primary { background: var(--primary-color); color: #fff; }
.primary:hover { background: var(--accent-color); transform: translateY(-3px); }

/* About & Skills */
.about { padding: 5rem 10%; text-align: center; }
.skill-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    margin: 5px;
    border-radius: 20px;
    border: 1px solid var(--primary-color);
}

/* Contact Form */
.contact { padding: 5rem 10%; background: var(--card-bg); }
#contact-form {
    max-width: 600px;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input, textarea {
    padding: 1rem;
    border-radius: 5px;
    border: none;
    background: #0f172a;
    color: white;
}