:root {
    --bg-color: #050505;
    --card-bg: #121212;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #00ffaa; /* Vibrant green accent to match user preference */
    --accent-gradient: linear-gradient(135deg, #00ffaa 0%, #00b8ff 100%);
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

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

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

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

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

.nav-logo {
    height: 250px;
    margin: -100px 0;
    margin-right: -80px;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.btn-primary {
    background: var(--accent-gradient);
    color: #000 !important;
    padding: 0.8rem 1.5rem;
    border-radius: 100px;
    font-weight: 700 !important;
}

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

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

.glow {
    position: absolute;
    top: 20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: var(--accent);
    filter: blur(150px);
    opacity: 0.15;
    border-radius: 50%;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black, transparent 80%);
}

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

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn-main {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.2rem 2.5rem;
    background: var(--accent-gradient);
    color: #000;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    transition: var(--transition);
}

.btn-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 255, 170, 0.2);
}

.btn-secondary {
    padding: 1.2rem 2.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Services */
.services {
    padding: 8rem 0;
}

.section-header {
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.service-card {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    background: linear-gradient(180deg, var(--card-bg) 0%, rgba(0, 255, 170, 0.02) 100%);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 170, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 2rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
}

/* About */
.about {
    padding: 8rem 0;
    background: #080808;
}

.about-flex {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.about-image {
    flex: 1;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(0.5);
    transition: var(--transition);
}

.image-wrapper:hover img {
    filter: grayscale(0);
    transform: scale(1.05);
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.check-list {
    list-style: none;
    margin-top: 2rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.check-list i {
    color: var(--accent);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.stat-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 1.5rem 1rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
}

.stat-item:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 255, 170, 0.05);
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Footer */
footer {
    padding: 6rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 200px;
    margin-top: -60px;
    margin-bottom: -40px;
    margin-left: -60px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: #ffffff; /* Explicit white color for icons */
    transition: var(--transition);
}

.social-links a svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
}

.social-links a:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 255, 170, 0.2);
}

.footer-contact h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    width: fit-content;
}

.contact-link:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.contact-link i {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}
/* Premium Effects */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 99999;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Marquee */
.marquee-wrapper {
    background: var(--accent-gradient);
    padding: 1rem 0;
    overflow: hidden;
    position: relative;
    transform: rotate(-1deg);
    margin: 4rem 0;
    box-shadow: 0 0 40px rgba(0, 255, 170, 0.2);
}

.marquee {
    display: flex;
    white-space: nowrap;
    overflow: hidden;
}

.marquee-content {
    display: flex;
    gap: 3rem;
    animation: scroll 20s linear infinite;
    width: max-content;
}

.marquee-content span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: #000;
    text-transform: uppercase;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Portfolio */
.portfolio {
    padding: 8rem 0;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.7rem 1.8rem;
    border-radius: 100px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 15px rgba(0, 255, 170, 0.1);
}

.filter-btn.active {
    background: var(--accent-gradient);
    color: #050505;
    border-color: transparent;
    box-shadow: 0 0 25px rgba(0, 255, 170, 0.4);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.portfolio-item {
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.4s ease;
    opacity: 1;
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 255, 170, 0.15);
}

.portfolio-img {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.06);
}

.portfolio-info {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.portfolio-info h3 {
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.portfolio-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.tech-tag {
    background: rgba(0, 255, 170, 0.06);
    border: 1px solid rgba(0, 255, 170, 0.15);
    color: var(--accent);
    padding: 0.25rem 0.7rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.portfolio-btns {
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

.btn-demo, .btn-repo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    flex: 1;
}

.btn-demo {
    background: var(--accent-gradient);
    color: #050505;
}

.btn-demo:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 170, 0.3);
}

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

.btn-repo:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

/* Profile Glow */
.profile-glow {
    position: relative;
}
.profile-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    background: var(--accent);
    filter: blur(80px);
    opacity: 0.15;
    z-index: -1;
    transform: translate(-50%, -50%);
}
/* Cursor Customization */
.cursor {
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
}

.cursor-follower {
    width: 30px;
    height: 30px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.1s ease-out;
    opacity: 0.3;
}

/* Responsive */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }
    
    .about-flex {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 3rem;
    }
}

/* Fallback Image Gradients (Generic premium backgrounds for each card) */
.portfolio-img-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1;
    overflow: hidden;
}

/* Category-specific gradients */
.portfolio-img-fallback.web-gradient {
    background: linear-gradient(135deg, #021B1A 0%, #082d27 100%);
    border-bottom: 2px solid rgba(0, 255, 170, 0.3);
}

.portfolio-img-fallback.ai-gradient {
    background: linear-gradient(135deg, #150527 0%, #31114d 100%);
    border-bottom: 2px solid rgba(197, 75, 250, 0.3);
}

.portfolio-img-fallback.data-gradient {
    background: linear-gradient(135deg, #051622 0%, #0b2940 100%);
    border-bottom: 2px solid rgba(0, 184, 255, 0.3);
}

.fallback-initials {
    font-family: 'Outfit', sans-serif;
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    z-index: 2;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition);
}

.web-gradient .fallback-initials {
    background-image: linear-gradient(135deg, #00ffaa 0%, #00b8ff 100%);
}

.ai-gradient .fallback-initials {
    background-image: linear-gradient(135deg, #c54bfa 0%, #ff007f 100%);
}

.data-gradient .fallback-initials {
    background-image: linear-gradient(135deg, #00b8ff 0%, #005f87 100%);
}

.fallback-glow {
    position: absolute;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.15;
    z-index: 1;
    transition: var(--transition);
}

.web-gradient .fallback-glow {
    background: #00ffaa;
}

.ai-gradient .fallback-glow {
    background: #c54bfa;
}

.data-gradient .fallback-glow {
    background: #00b8ff;
}

.portfolio-item:hover .fallback-glow {
    transform: scale(1.3);
    opacity: 0.25;
}

.portfolio-item:hover .fallback-initials {
    transform: scale(1.1);
}

/* Image behavior for fallback support */
.portfolio-img img {
    position: relative;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}