/* Modern Design System - Dark Mode with Neon Accents */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --bg-color: #000000;
    /* Pure Black */
    --card-bg: rgba(20, 20, 20, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #5ce644;
    /* Neon Green */
    --accent-secondary: #008f11;
    /* Darker Green */
    --gradient-main: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));

    --font-main: 'Outfit', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Typewriter Cursor */
.cursor {
    display: inline-block;
    width: 3px;
    background-color: var(--accent-primary);
    animation: blink 1s step-end infinite;
    margin-left: 5px;
    height: 1em;
    vertical-align: middle;
}

@keyframes blink {

    from,
    to {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--gradient-main);
    color: #fff;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    opacity: 0;
    z-index: -1;
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 242, 255, 0.2);
}

.btn:hover::before {
    opacity: 1;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(to right, #fff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 480px;
}

.hero-bg-glow {
    position: absolute;
    top: 50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(189, 0, 255, 0.15) 0%, rgba(5, 5, 5, 0) 70%);
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 1;
}

/* Layout Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: var(--spacing-md);
}

.skill-tag {
    padding: 8px 16px;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.skill-tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Projects Section */
.projects {
    padding: var(--spacing-xl) 0;
}

.project-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.project-link {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.project-link:hover {
    gap: 8px;
    /* slide arrow effect */
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Navigation Mobile Toggle */
.nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.nav-toggle:hover {
    color: var(--accent-primary);
}

/* Responsive Styles */

/* Laptops & Small Desktops */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 4rem;
    }
}

/* Tablets Landscape */
@media (max-width: 1024px) {
    .grid-2 {
        gap: var(--spacing-sm);
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }
}

/* Tablets Portrait */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-md);
        transition: 0.4s ease-in-out;
        z-index: 999;
        border-left: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    .nav-link {
        font-size: 1.2rem;
    }

    .grid-2 {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero {
        padding-top: 120px;
        height: auto;
        min-height: 100vh;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-visual {
        margin-top: var(--spacing-lg);
        display: flex;
        justify-content: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .about-image {
        margin-bottom: var(--spacing-md);
    }
}

/* Mobile Devices */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
        padding: 15px;
        text-align: center;
    }

    .nav-links {
        width: 100%;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .about-image div {
        height: 300px;
    }
}