/* Global Variables */
:root {
    --bg-color: #0d0d0d;
    --text-color: #f0f0f0;
    --accent-color: #00f0ff;
    /* Cyan Neon */
    --accent-secondary: #7000ff;
    /* Purple Neon */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-primary: 'Inter', sans-serif;
    --transition-speed: 0.3s;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    color: var(--accent-color);
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.5rem;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    font-weight: 600;
    border-radius: 5px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-color: var(--accent-color);
    z-index: -1;
    transition: width var(--transition-speed);
}

.btn:hover {
    color: var(--bg-color);
}

.btn:hover::before {
    width: 100%;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: padding 0.3s;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-speed);
}

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #aaa;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.1), transparent 60%);
    z-index: 1;
}

/* Sections General */
section {
    padding: 6rem 0;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.skills .skill-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    margin: 0.5rem 0.5rem 0.5rem 0;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.skills .skill-tag:hover {
    transform: translateY(-3px);
    border-color: var(--accent-color);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 10px;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.1);
    border-color: var(--accent-color);
}

.project-card h3 {
    color: var(--accent-color);
}

.project-links {
    margin-top: 1.5rem;
}

.project-links a {
    margin-right: 1rem;
    font-size: 0.9rem;
    text-decoration: underline;
}

/* Contact Section */
.contact {
    text-align: center;
}

.contact-info {
    margin-top: 2rem;
    font-size: 1.2rem;
}

/* Footer */
footer {
    padding: 3rem 0;
    background: #050505;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    width: 100%;
    bottom: 0px;
    display: block;
    position: absolute;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.social-links a {
    font-size: 1.5rem;
    color: #aaa;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        background: #0d0d0d;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease;
        z-index: 999;
        border-left: 1px solid var(--glass-border);
    }

    .nav-links.active {
        right: 0;
    }

    .menu-toggle {
        display: block;
        z-index: 1000;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }
}