/* Base Variables */
:root {
    --bg: #ffffff;
    --surface: #f8f9fa;
    --surface-alt: #e8ecf1;
    --accent: #16a34a;
    --accent-alt: #22c55e;
    --text-main: #0f172a;
    --text-dim: #64748b;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Core Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

::selection {
    background: var(--accent);
    color: var(--bg);
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

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



/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    width: 100%;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem;
    width: 100%;
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -1px;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: "⟨";
    font-size: 1.5rem;
}

.logo::after {
    content: "/⟩";
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
}

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

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

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

/* Hero Section */
.hero {
    padding: 10rem 0 8rem;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    flex: 1;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1.05;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--text-dim) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 700px;
    line-height: 1.8;
}

/* Hero Image */
.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image img {
    width: 420px;
    height: 420px;
    max-width: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent);
    box-shadow: 0 20px 60px rgba(22, 163, 74, 0.2);
    transition: var(--transition-slow);
}

.hero-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 30px 80px rgba(22, 163, 74, 0.3);
}

/* Section Styling */
.section-label {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 3rem;
    display: inline-block;
}

section {
    scroll-margin-top: 100px;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 3rem;
    font-weight: 800;
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    padding-bottom: 6rem;
    border-bottom: 1px solid #e2e8f0;
}

.expertise-item {
    background: linear-gradient(135deg, rgba(22, 163, 74, 0.04) 0%, rgba(22, 163, 74, 0) 100%);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

.expertise-item:hover {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(22, 163, 74, 0.08) 0%, rgba(22, 163, 74, 0.04) 100%);
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(22, 163, 74, 0.1);
}

.expertise-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.expertise-item p {
    font-size: 0.95rem;
    color: var(--text-dim);
    line-height: 1.7;
}

/* Skills Section */
.skills-section { padding: 6rem 0; }

.skills-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.skill-category {
    margin-bottom: 2.5rem;
}

.skill-category h4 {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-tag {
    background: var(--surface-alt);
    padding: 0.6rem 1.2rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    border: 1px solid #d1d5db;
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

/* Projects Section */
.projects-section { padding: 6rem 0; }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--surface);
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 2.5rem;
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-8px);
    background: linear-gradient(135deg, rgba(22, 163, 74, 0.05) 0%, transparent 100%);
    box-shadow: 0 12px 24px rgba(22, 163, 74, 0.12);
}

.project-tag {
    display: inline-block;
    background: rgba(22, 163, 74, 0.08);
    color: var(--accent);
    padding: 0.4rem 0.8rem;
    border-radius: 0.3rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
    flex: 1;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    background: #f8f9fa;
    border: 1px solid #d1d5db;
    padding: 0.3rem 0.7rem;
    border-radius: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* Stats Section */
.stats-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(22, 163, 74, 0.04) 0%, transparent 100%);
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.stat-item p {
    color: var(--text-dim);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

/* Contact Section */
.contact-section {
    padding: 8rem 0;
    text-align: center;
}

.contact-section h2 {
    margin-bottom: 2rem;
}

.contact-intro {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.contact-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.contact-btn {
    padding: 1rem 2.5rem;
    border-radius: 0.5rem;
    border: 2px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-btn:hover {
    background: var(--accent);
    color: var(--bg);
}

/* Social Grid */
.social-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 4rem;
}

.social-circle {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.social-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    transition: var(--transition);
}

.social-icon-wrapper svg {
    color: var(--accent);
}

.social-circle:hover .social-icon-wrapper {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(22, 163, 74, 0.1) 0%, rgba(22, 163, 74, 0.05) 100%);
    transform: scale(1.1);
    box-shadow: 0 8px 16px rgba(22, 163, 74, 0.15);
}

.social-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Footer */
footer {
    padding: 3rem 0;
    color: var(--text-dim);
    font-size: 0.85rem;
    border-top: 1px solid #e2e8f0;
    text-align: center;
}

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

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .hero { padding: 5rem 0 4rem; }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-image img {
        width: 320px;
        height: 320px;
    }

    .nav-links { display: none; }

    .skills-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .contact-links {
        gap: 1rem;
    }

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

    .social-grid {
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .logo {
        font-size: 1rem;
    }

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

    .hero-image img {
        width: 240px;
        height: 240px;
    }
}