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

:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-card: #18181b;
    --border: #27272a;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #eab308;
    --accent-hover: #facc15;
    --accent-glow: rgba(234, 179, 8, 0.15);
    --gradient-1: linear-gradient(135deg, #eab308, #ca8a04, #a16207);
    --gradient-2: linear-gradient(135deg, #eab308, #ca8a04);
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--border) var(--bg-primary);
}

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

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 2rem;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: transform 0.3s ease;
}

nav .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    position: relative;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-bg .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.hero-bg .orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: 10%;
    left: 15%;
    animation-delay: 0s;
}

.hero-bg .orb-2 {
    width: 300px;
    height: 300px;
    background: #ca8a04;
    bottom: 15%;
    right: 15%;
    animation-delay: -3s;
}

.hero-bg .orb-3 {
    width: 200px;
    height: 200px;
    background: #eab308;
    top: 50%;
    right: 30%;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
    max-width: 800px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    background: var(--accent-glow);
    border: 1px solid rgba(234, 179, 8, 0.3);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--accent-hover);
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero h1 .gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(234, 179, 8, 0.3);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-hover);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image .avatar-frame {
    width: 100%;
    aspect-ratio: 1;
    max-width: 360px;
    margin: 0 auto;
    display: block;
    background: var(--gradient-1);
    border-radius: 24px;
    padding: 3px;
    position: relative;
}

.about-image .avatar-inner {
    width: 100%;
    height: 100%;
    border-radius: 22px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    overflow: hidden;
}

.about-image .avatar-inner svg {
    width: 60%;
    height: 60%;
    opacity: 0.6;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1.02rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* Skills */
.skills-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    max-width: 100%;
    padding: 6rem 2rem;
}

.skills-section .skills-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.skill-card {
    padding: 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s;
}

.skill-card:hover {
    border-color: rgba(234, 179, 8, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.skill-card:hover::before {
    opacity: 1;
}

.skill-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border: 1px solid rgba(234, 179, 8, 0.2);
    border-radius: 12px;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.skill-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.skill-tag {
    padding: 0.25rem 0.625rem;
    background: rgba(234, 179, 8, 0.1);
    border: 1px solid rgba(234, 179, 8, 0.15);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--accent-hover);
    font-weight: 500;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    border-color: rgba(234, 179, 8, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.project-preview {
    height: 200px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-preview .code-block {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 1.5rem;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.code-line {
    line-height: 1.8;
}

.code-keyword { color: #c084fc; }
.code-function { color: #60a5fa; }
.code-string { color: #34d399; }
.code-comment { color: #52525b; font-style: italic; }
.code-variable { color: #f472b6; }
.code-operator { color: #fbbf24; }

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.project-tech span {
    padding: 0.2rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 0.75rem;
}

.project-links a {
    color: var(--text-muted);
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

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

/* Contact */
.contact-section {
    text-align: center;
}

.contact-section .section-desc {
    margin-left: auto;
    margin-right: auto;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.25s;
    font-weight: 500;
}

.contact-link:hover {
    border-color: rgba(234, 179, 8, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.contact-link .link-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 8px;
    font-size: 1.1rem;
}

/* GPG Keys */
.gpg-section {
    text-align: center;
}

.gpg-section .section-desc {
    margin-left: auto;
    margin-right: auto;
}

.gpg-keys-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    text-align: left;
}

.gpg-key-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.gpg-key-card:hover {
    border-color: rgba(234, 179, 8, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.gpg-key-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.gpg-key-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border: 1px solid rgba(234, 179, 8, 0.2);
    border-radius: 10px;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.gpg-key-header h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.gpg-key-email {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin: 0;
}

.gpg-key-fingerprint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.875rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.gpg-key-fingerprint span {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.65rem;
    letter-spacing: 0.05em;
}

.gpg-key-fingerprint code {
    color: var(--accent-hover);
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.7rem;
}

.gpg-key-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    margin: 0;
    overflow-x: auto;
}

.gpg-key-block code {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.65rem;
    line-height: 1.5;
    color: var(--text-secondary);
    white-space: pre;
}

/* Footer */
footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
    max-width: 1200px;
    margin: 0 auto;
}

footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(10, 10, 11, 0.95);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 1rem 2rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        padding: 0.75rem 0;
    }

    .hamburger {
        display: flex;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-image {
        order: -1;
    }

    .about-image .avatar-frame {
        max-width: 240px;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

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

    section {
        padding: 4rem 1.25rem;
    }

    .hero {
        padding: 5rem 1.25rem 3rem;
    }

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

    .gpg-keys-grid {
        grid-template-columns: 1fr;
    }

    .gpg-key-block code {
        font-size: 0.6rem;
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }
}