/* Lucas Tech Lab - Modern Portfolio CSS */
/* Dark theme with electric blue accents and futuristic design */

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0f0f0f;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #00d4ff, #0099ff);
    border-radius: 4px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(15, 15, 15, 0.98);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00d4ff;
    text-decoration: none;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: #00d4ff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #00d4ff;
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #00d4ff, #0099ff, #00d4ff);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleShimmer 3s ease-in-out infinite;
    position: relative;
    z-index: 10;
}

@keyframes titleShimmer {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero .tagline {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    animation: taglineGlow 2s ease-in-out infinite alternate;
    position: relative;
    z-index: 10;
}

.hero .subtitle {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    color: #ffffff;
    opacity: 0.9;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: #00d4ff;
    font-weight: 600;
    letter-spacing: 1px;
    animation: badgePulse 3s ease-in-out infinite;
    position: relative;
    z-index: 10;
}

@keyframes badgePulse {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% { 
        transform: scale(1.05); 
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    }
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #cccccc;
    max-width: 600px;
    margin: 0 auto 2rem;
    text-align: center;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 15px;
    min-width: 150px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: #ffffff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid #00d4ff;
    color: #00d4ff;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.intro-feature {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.intro-feature:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.intro-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.intro-feature h4 {
    color: #00d4ff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.intro-feature p {
    color: #cccccc;
    line-height: 1.6;
    font-size: 0.95rem;
}

.feature-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
}

.feature-tech span {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    color: #00d4ff;
    font-size: 0.8rem;
    font-weight: 600;
}

@keyframes taglineGlow {
    from {
        text-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    }
    to {
        text-shadow: 0 0 40px rgba(0, 212, 255, 0.8), 0 0 50px rgba(0, 153, 255, 0.4);
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    transition: width 0.3s ease;
}

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

.nav-links a:hover {
    color: #00d4ff;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.5);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #00d4ff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 153, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
    position: relative;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 30px rgba(0, 212, 255, 0.3); }
    to { text-shadow: 0 0 40px rgba(0, 212, 255, 0.5), 0 0 50px rgba(0, 153, 255, 0.3); }
}

.hero h2 {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: 2rem;
    color: #cccccc;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #00d4ff, #0099ff);
    color: #ffffff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

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

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #00d4ff;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.feature-card p {
    color: #cccccc;
    line-height: 1.6;
}

/* Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.project-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 153, 255, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: #00d4ff;
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #00d4ff;
}

.project-description {
    color: #cccccc;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: transparent;
    color: #00d4ff;
    border: 1px solid #00d4ff;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.project-button:hover {
    background: #00d4ff;
    color: #0f0f0f;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

/* Dev Log */
.blog-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.blog-post {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.blog-post:hover {
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.blog-date {
    color: #00d4ff;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.blog-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.blog-content {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.read-more {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.read-more:hover {
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.5);
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.bio {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #cccccc;
    margin-bottom: 3rem;
}

.skills-section, .goals-section {
    margin-top: 3rem;
}

.skills-grid, .goals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.skill-item, .goal-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.skill-item:hover, .goal-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.skill-item h4, .goal-item h4 {
    color: #00d4ff;
    margin-bottom: 0.5rem;
}

.skill-item p, .goal-item p {
    color: #cccccc;
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Footer Styles */
footer {
    background: rgba(0, 0, 0, 0.9);
    border-top: 1px solid rgba(0, 212, 255, 0.3);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand h3 {
    color: #00d4ff;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.footer-brand p {
    color: #cccccc;
    font-size: 0.95rem;
    margin-bottom: 0;
}

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

.footer-nav a {
    color: #cccccc;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-nav a:hover {
    color: #00d4ff;
}

.footer-bottom {
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 15, 15, 0.98);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid rgba(0, 212, 255, 0.3);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 2rem 1rem;
    }
    
    .hero .tagline {
        font-size: 2.5rem;
        margin-bottom: 1.2rem;
    }
    
    .hero .subtitle {
        font-size: 1.6rem;
        margin-bottom: 1.2rem;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 0;
    }

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

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

    .skills-grid, .goals-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 1.2rem;
    }
    
    .hero .tagline {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .hero .subtitle {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }

    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .feature-card, .project-card, .blog-post {
        padding: 1.5rem;
    }
}