:root {
    --primary: #3b82f6;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    --secondary: #8b5cf6;
    --secondary-dark: #6d28d9;
    --accent: #06b6d4;
    --accent-dark: #0891b2;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-light: #cbd5e1;
    
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-lighter: #f1f5f9;
    --bg-dark: #1e293b;
    --bg-darker: #0f172a;
    
    --border: #e2e8f0;
    --border-dark: #334155;
    
    --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.15);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.15);
    --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e0f2fe 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px) saturate(1.5);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(15, 23, 42, 0.05) inset;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo i {
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
    border-radius: 2px;
}

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

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

.cta-button {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

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

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    top: -100px;
    right: -50px;
    animation: float 12s ease-in-out infinite;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
    bottom: -100px;
    left: -50px;
    animation: float 14s ease-in-out infinite reverse;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    bottom: 50px;
    right: 100px;
    animation: float 16s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: slideUp 1s ease-out;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 10px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary);
    animation: slideUp 1s ease-out 0.1s both;
}

.hero-badge i {
    animation: pulse 2s ease-in-out infinite;
}

.hero-content h1 {
    font-size: 5rem;
    font-weight: 900;
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -2px;
    animation: slideUp 1s ease-out 0.2s both;
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
    font-weight: 300;
    animation: slideUp 1s ease-out 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.4s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-4px);
}

section {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 15px;
    padding: 8px 16px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50px;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 20px;
    letter-spacing: -1px;
    line-height: 1.2;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

#about {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image-inner {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image-bg {
    position: absolute;
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    opacity: 0.15;
    animation: float 8s ease-in-out infinite;
    filter: blur(40px);
}

.about-image-icon {
    font-size: 12rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
}

.about-content h3 {
    font-size: 2rem;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 20px;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: 8px;
}

.skills-section {
    margin-top: 50px;
}

.skills-title {
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.skill-badge {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--primary);
    padding: 12px 18px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.skill-badge:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

#projects {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.project-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: relative;
}

.project-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

.project-header {
    height: 240px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-header::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(59, 130, 246, 0.1) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

.project-icon {
    font-size: 5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.project-card:hover .project-icon {
    transform: scale(1.15) rotate(10deg);
}

.project-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    z-index: 10;
}

.project-content {
    padding: 32px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: auto;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0;
}

.tech-tag {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project-link {
    color: var(--primary);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    transition: var(--transition);
    text-decoration: none;
}

.project-link:hover {
    gap: 12px;
    color: var(--secondary);
}

#contact {
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
    border-top: 1px solid var(--border);
}

.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.social-links {
    margin-top: 60px;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.social-link {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 2px solid rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: var(--primary);
    font-size: 1.4rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: transparent;
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.3);
}

footer {
    background: linear-gradient(135deg, var(--bg-darker) 0%, #1a1f35 100%);
    color: var(--text-light);
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -100px;
    right: -100px;
}

footer p {
    font-size: 0.95rem;
    position: relative;
    z-index: 2;
}

footer .heart {
    color: var(--danger);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(40px);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.3);
    }
    50% {
        transform: scale(1);
    }
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .about-image {
        height: 300px;
    }

    .about-image-icon {
        font-size: 8rem;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

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