/* Modern Reset & Variables */
:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #38bdf8;
    --accent-secondary: #818cf8;
    --gradient-main: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    --font-main: 'Outfit', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    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;
    position: relative;
    min-height: 100vh;
}

/* Background Ambient Glows */
.background-globes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.globe {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 10s infinite ease-in-out alternate;
}

.globe-1 {
    width: 400px;
    height: 400px;
    background: #38bdf8;
    top: -100px;
    left: -100px;
}

.globe-2 {
    width: 300px;
    height: 300px;
    background: #818cf8;
    top: 40%;
    right: -50px;
    animation-delay: -5s;
}

.globe-3 {
    width: 350px;
    height: 350px;
    background: #c084fc;
    bottom: -100px;
    left: 20%;
    animation-delay: -2s;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 40px); }
}

/* Typography & Utilities */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

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

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn.primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
}

.btn.secondary {
    background: transparent;
    border: 2px solid var(--text-secondary);
    color: var(--text-primary);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn.primary:hover {
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.6);
}

.btn.secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

.nav-links li a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
}

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

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: var(--accent-primary);
    transition: width var(--transition-fast);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
    position: relative;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.bouncing {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

/* Projects Section */
.projects-section {
    padding: 6rem 5%;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-main);
    margin: 0.5rem auto 0;
    border-radius: 2px;
}

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

.project-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    backdrop-filter: blur(5px);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(56, 189, 248, 0.3);
}

.card-image-placeholder {
    height: 200px;
    width: 100%;
}

.gradient-1 { background: linear-gradient(45deg, #2563eb, #06b6d4); }
.gradient-2 { background: linear-gradient(45deg, #7c3aed, #db2777); }
.gradient-3 { background: linear-gradient(45deg, #059669, #84cc16); }

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    color: var(--accent-primary);
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.card-link {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-link:hover {
    color: var(--accent-primary);
    gap: 0.8rem; /* Slide arrow on hover */
}

/* About & Contact */
.about-section, .contact-section {
    padding: 6rem 5%;
    text-align: center;
}

.about-container, .contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.about-container p, .contact-container p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.social-links {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer i {
    color: #ef4444;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards 1s;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none; /* In a real app, adding a hamburger menu would be better */
    }
}