:root {
    /* Colors - Deep Premium Palette */
    --bg-dark: #050506;
    --bg-card: rgba(15, 15, 18, 0.6);
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --secondary: #8b5cf6;
    --accent: #f43f5e;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.05);
    --glass: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    /* Spacing */
    --container-max: 1200px;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, .logo {
    font-family: 'Outfit', sans-serif;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Cursor Glow Effect */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
    opacity: 0.2;
}

/* Typography & Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    display: block;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    border-radius: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 8px 20px -6px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px -8px var(--primary-glow);
    background: var(--primary-light);
}

.btn-outline {
    background: var(--glass);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
}

.navbar.scrolled {
    background: rgba(5, 5, 6, 0.7);
    backdrop-filter: blur(25px);
    border-bottom: 1px solid var(--border);
    height: 70px;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.85rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-main);
    letter-spacing: -1px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    position: relative;
    overflow: hidden;
}

/* Abstract Background Shapes */
.hero::before, .hero::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.1;
}

.hero::before {
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.hero::after {
    background: var(--secondary);
    bottom: -100px;
    left: -100px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.badge-wrapper {
    margin-bottom: 2rem;
}

.badge {
    background: rgba(59, 130, 246, 0.08);
    color: var(--primary);
    padding: 0.6rem 1.25rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid rgba(59, 130, 246, 0.15);
    letter-spacing: 0.5px;
}

.badge .dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--primary);
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1;
    font-weight: 800;
    margin-bottom: 2rem;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 580px;
    line-height: 1.8;
}

/* Hero Visual & 3D Card */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.main-visual-container {
    position: relative;
    width: 100%;
    max-width: 450px;
    perspective: 1000px;
}

.floating-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    transform: rotateY(-10deg) rotateX(10deg);
    animation: float 6s ease-in-out infinite;
}

.floating-card img {
    width: 100%;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.card-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    text-align: center;
}

.stat-item h4 {
    font-size: 1.5rem;
    color: var(--primary);
}

.stat-item p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

@keyframes float {
    0%, 100% { transform: rotateY(-10deg) rotateX(10deg) translateY(0); }
    50% { transform: rotateY(-5deg) rotateX(5deg) translateY(-20px); }
}

/* Services Section */
.services {
    padding: 10rem 0;
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 3rem 2rem;
    border-radius: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-12px);
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.03);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 2rem;
    transition: all 0.4s ease;
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.1) rotate(10deg);
}

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

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

/* Projects Section Refined */
.projects {
    padding: 8rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.5s ease;
}

.project-card:hover {
    transform: translateY(-12px);
    border-color: var(--primary);
    box-shadow: 0 30px 60px -12px rgba(0,0,0,0.5);
}

.project-image {
    position: relative;
    height: 260px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex !important;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    z-index: 5;
}

.project-card:hover .project-overlay {
    opacity: 1;
    visibility: visible;
}

.project-link {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: 50%;
    display: flex !important;
    align-items: center;
    justify-content: center;
    color: white !important;
    text-decoration: none;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-info {
    padding: 2rem;
    background: var(--bg-card);
}

.project-tags {
    display: flex !important;
    flex-wrap: wrap;
    gap: 8px !important;
    margin-bottom: 1.25rem;
}

.project-tags span {
    display: inline-block !important;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.15) !important;
    color: var(--primary) !important;
    padding: 4px 12px !important;
    border-radius: 8px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    white-space: nowrap;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    color: var(--text-main);
}

.project-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-card-link-text {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-card-link-text i {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.project-card-link-text:hover {
    color: var(--primary-light);
}

.project-card-link-text:hover i {
    transform: translateX(5px);
}

/* Skills Section Refined */
.skills {
    padding: 10rem 0;
    position: relative;
}

.skills-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: flex-start;
}

.skills-grid {
    display: grid;
    gap: 1.5rem;
}

.skill-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1.5rem 2rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.skill-item:hover {
    transform: translateX(10px);
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.03);
}

.skill-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.skill-info {
    flex-grow: 1;
}

.skill-info span {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.skill-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* Contact Section Refined */
.contact {
    padding: 10rem 0;
}

.contact-card {
    border-radius: 40px;
    padding: 5rem;
    background: linear-gradient(135deg, rgba(15, 15, 18, 0.8), rgba(5, 5, 6, 0.9));
    border: 1px solid var(--glass-border);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.contact-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    z-index: -1;
    opacity: 0.3;
}

.contact-info h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.contact-methods {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.method {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    color: var(--text-main);
}

.method i {
    width: 44px;
    height: 44px;
    background: var(--glass);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    border: 1px solid var(--glass-border);
}

.contact-form {
    display: grid;
    gap: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input, .form-group textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 1.25rem;
    border-radius: 16px;
    color: white;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn-primary.btn-block {
    height: 60px;
    font-size: 1.1rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border: none;
}

.btn-primary.btn-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px -10px var(--primary-glow);
}

/* Footer Refined */
.footer {
    padding: 6rem 0 3rem;
    border-top: 1px solid var(--border);
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

.skills-list-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.skill-tag {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    z-index: 999;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    background: var(--primary-light);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.5rem; }
    .hero .container { gap: 3rem; }
}

@media (max-width: 768px) {
    .section-title { font-size: 2.5rem; }
    .hero h1 { font-size: 2.8rem; }
    .contact-card { padding: 3rem 2rem; }
    
    .nav-links, .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }
}