:root {
    --bg-color: #050505;
    --text-color: #f0f0f0;
    --text-muted: #a0a0a0;
    --primary-color: #00f2fe;
    --secondary-color: #4facfe;
    --accent-color: #ff007f;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Effects */
.bg-fx {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: 
        radial-gradient(circle at 15% 50%, rgba(0, 242, 254, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 0, 127, 0.05), transparent 25%);
    pointer-events: none;
}

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

.section {
    padding: 100px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1000px;
    z-index: 1000;
    padding: 15px 30px;
    border-radius: 50px;
    transition: all 0.3s ease;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 150px;
}

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

.greeting {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 400;
}

.name {
    font-size: clamp(4rem, 8vw, 6rem);
    margin-bottom: 5px;
}

.title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 30px;
}

.intro {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--primary-color);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    padding: 30px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 242, 254, 0.3);
}

.skill-card .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.skill-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.skill-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Projects Section */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.project-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
    padding: 20px;
    align-items: center;
    transition: border-color 0.3s ease;
}

.project-card:hover {
    border-color: rgba(255, 0, 127, 0.3);
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    border-radius: 12px;
    overflow: hidden;
    background: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.project-info p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

/* Contact Section */
#contact {
    padding-bottom: 150px;
}

.contact-card {
    text-align: center;
    padding: 60px 30px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-card p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
    color: #000;
    transform: translateY(-3px);
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations & Responsive */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@media (max-width: 900px) {
    .project-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        width: 95%;
        padding: 15px 20px;
    }
    .nav-links {
        display: none; /* simple mobile hide for now */
    }
    .section {
        padding: 80px 5%;
    }
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    border-radius: 30px;
    color: var(--text-color);
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 9999;
    border: 1px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}