:root {
    --color-background: #010008;
    --color-text: #E0E0E0;
    --color-primary-glow: #00A6FF;
    --color-secondary-glow: #9E00FF;
    --color-tertiary-glow: #FF00C8;
    --font-primary: 'Orbitron', sans-serif;
    --font-secondary: 'Exo 2', sans-serif;
    --glass-bg: rgba(14, 13, 38, 0.4);
    --glass-border: rgba(173, 216, 230, 0.1);
    --panel-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-secondary);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* --- BACKGROUND ELEMENTS --- */

.stars-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-image:
        radial-gradient(1px 1px at 20px 30px, white, transparent),
        radial-gradient(1px 1px at 40px 70px, white, transparent),
        radial-gradient(1px 1px at 50px 160px, white, transparent),
        radial-gradient(1.5px 1.5px at 90px 40px, white, transparent),
        radial-gradient(1px 1px at 130px 80px, white, transparent),
        radial-gradient(1px 1px at 160px 120px, white, transparent),
        radial-gradient(1.5px 1.5px at 180px 70px, white, transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: zoom-stars 30s linear infinite;
}

@keyframes zoom-stars {
    from {
        transform: scale(1);
    }

    to {
        transform: scale(1.2);
    }
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.gradient-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    background: radial-gradient(circle at 10% 20%,
            rgba(0, 166, 255, 0.15),
            transparent 30%),
        radial-gradient(circle at 90% 80%,
            rgba(158, 0, 255, 0.15),
            transparent 40%);
    pointer-events: none;
}

/* --- LAYOUT & TYPOGRAPHY --- */

.viewport {
    position: relative;
    z-index: 4;
}

#hero {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    height: 100vh;
    padding: 0 1rem;
}

.hero-content {
    animation: fadeIn 2s ease-in-out;
}

.name {
    font-family: var(--font-primary);
    font-size: 5rem;
    font-weight: 900;
    margin: 0;
    color: #fff;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--color-primary-glow),
        0 0 20px var(--color-primary-glow),
        0 0 40px var(--color-secondary-glow);
}

.tagline {
    font-size: 1.5rem;
    font-weight: 300;
    margin: 1rem 0 0;
    letter-spacing: 1.5px;
    color: var(--color-text);
    text-shadow: 0 0 5px var(--color-primary-glow);
}

.scroll-down-btn {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text);
    font-size: 1.5rem;
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        transform: translateX(-50%) scale(1);
        text-shadow: 0 0 5px var(--color-primary-glow);
        opacity: 0.7;
    }

    50% {
        transform: translateX(-50%) scale(1.1);
        text-shadow: 0 0 15px var(--color-primary-glow);
        opacity: 1;
    }
}


/* --- MAIN CONTENT & PANELS --- */

#content-wrapper {
    padding: 2rem 0;
}

.panel-container {
    display: flex;
    justify-content: center;
    padding: 4rem 1rem;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.panel-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--panel-shadow);
    width: 100%;
    max-width: 900px;
    padding: 2rem 2.5rem;
}

.panel-header h2 {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1.5rem 0;
    color: #fff;
    text-shadow: 0 0 5px var(--color-secondary-glow);
}

.panel-header h2 i {
    margin-right: 0.75rem;
    color: var(--color-primary-glow);
}

.panel-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 80ch;
}


/* --- COMPONENTS --- */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 8px;
    transition: background-color 0.3s, transform 0.3s;
}

.skill-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.skill-item i {
    font-size: 2.5rem;
    color: var(--color-primary-glow);
    text-shadow: 0 0 8px var(--color-primary-glow);
}

.skill-item span {
    font-weight: 300;
}


.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: border-color 0.3s, transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--glass-border);
}

.project-card h3 {
    margin: 0 0 0.5rem 0;
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}

.project-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.project-link {
    color: var(--color-primary-glow);
    text-decoration: none;
    font-weight: bold;
    transition: letter-spacing 0.3s;
}

.project-link:hover {
    text-shadow: 0 0 5px var(--color-primary-glow);
    letter-spacing: 0.5px;
}

.contact-message {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

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

.social-links a {
    color: var(--color-text);
    font-size: 2.5rem;
    transition: color 0.3s, text-shadow 0.3s, transform 0.3s;
}

.social-links a:hover {
    color: var(--color-primary-glow);
    text-shadow: 0 0 10px var(--color-primary-glow);
    transform: scale(1.1);
}


/* --- Floating Gemini Logo --- */
.gemini-logo-container {
    position: fixed;
    top: 2rem;
    right: 3rem;
    z-index: 4;
    animation: float-gemini 15s ease-in-out infinite;
}

.gemini-logo {
    width: 80px;
    height: auto;
    filter: drop-shadow(0 0 8px rgba(158, 0, 255, 0.6));
    opacity: 0.8;
    transition: opacity 0.3s, filter 0.3s, transform 0.3s;
}

.gemini-logo-container:hover .gemini-logo {
    opacity: 1;
    filter: drop-shadow(0 0 12px var(--color-primary-glow));
    transform: scale(1.1);
}


/* --- FOOTER --- */

footer {
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}


/* --- ANIMATIONS --- */

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes float-gemini {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(-10px, 15px) rotate(-5deg);
    }

    50% {
        transform: translate(5px, -10px) rotate(5deg);
    }

    75% {
        transform: translate(-5px, 10px) rotate(-2deg);
    }

    100% {
        transform: translate(0, 0) rotate(0deg);
    }
}


/* --- RESPONSIVE DESIGN --- */

@media (max-width: 768px) {
    .name {
        font-size: 3.5rem;
    }

    .tagline {
        font-size: 1.3rem;
        letter-spacing: 3px;
    }

    .panel-container {
        padding: 2.5rem 1rem;
    }

    .glass-panel {
        padding: 1.5rem;
    }

    .panel-header h2 {
        font-size: 1.75rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .name {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .panel-header h2 {
        font-size: 1.5rem;
    }

    .panel-content p {
        font-size: 1rem;
    }

    .contact-message {
        font-size: 1.1rem;
    }

    .social-links a {
        font-size: 2.2rem;
    }
}