:root {
    --bg-color: #050508;
    --card-bg: rgba(17, 17, 22, 0.7);
    --card-bg-solid: #11111a;
    --text-primary: #e6e6e6;
    --text-secondary: #888898;
    --accent-color: #00ff41;
    --accent-secondary: #00f0ff;
    --accent-gradient: linear-gradient(135deg, #00ff41, #00f0ff);
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --border-color: rgba(255, 255, 255, 0.06);
    --glow-green: 0 0 30px rgba(0, 255, 65, 0.15);
    --glow-blue: 0 0 30px rgba(0, 240, 255, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow-x: hidden;
    line-height: 1.7;
}

/* Animated grid background */
.grid-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}

/* Gradient orbs */
.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

.gradient-orb.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 65, 0.12), transparent 70%);
    top: -10%;
    left: -10%;
    animation: orbFloat1 20s ease-in-out infinite;
}

.gradient-orb.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.08), transparent 70%);
    bottom: -10%;
    right: -10%;
    animation: orbFloat2 25s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(80px, 50px); }
    66% { transform: translate(-40px, 80px); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-60px, -40px); }
    66% { transform: translate(50px, -70px); }
}

/* Custom Cursor */
.cursor-dot,
.cursor-dot-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
    transition: opacity 0.3s;
}

.cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-gradient);
}

.cursor-dot-outline {
    width: 32px;
    height: 32px;
    border: 1.5px solid rgba(0, 255, 65, 0.3);
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                height 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s;
}

a:hover ~ .cursor-dot-outline {
    border-color: var(--accent-color);
    width: 44px;
    height: 44px;
}

/* Typography Utilities */
.mono-accent {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 0.85rem;
    margin-bottom: 1.2rem;
    display: inline-block;
    letter-spacing: 0.5px;
    background: rgba(0, 255, 65, 0.06);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 255, 65, 0.1);
}

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

.text-white {
    color: #fff;
    font-weight: 600;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(5, 5, 8, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(5, 5, 8, 0.9);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 4rem;
}

.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    color: var(--accent-color);
}

.blink {
    animation: blink 1s infinite;
    color: var(--accent-color);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: var(--transition);
    position: relative;
    padding-bottom: 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-gradient);
    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(--accent-color);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: none;
    padding: 4px;
    z-index: 101;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sections */
main {
    padding: 0 4rem;
    max-width: 1300px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 5rem;
    position: relative;
    padding-bottom: 5rem;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero */
.hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 3rem;
    min-height: 100vh;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.08;
    margin-bottom: 1.2rem;
    letter-spacing: -2px;
    font-weight: 600;
}

.typing-container {
    font-size: clamp(1.2rem, 2.5vw, 2rem);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 300;
    height: 3rem;
    display: flex;
    align-items: center;
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--accent-gradient);
    margin-left: 5px;
    animation: blink 1s infinite;
    border-radius: 1px;
}

.bio {
    font-size: 1.1rem;
    max-width: 500px;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* CTA Buttons */
.cta-group {
    display: flex;
    gap: 1.2rem;
}

.btn {
    padding: 0.85rem 1.8rem;
    border-radius: 6px;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    letter-spacing: 0.3px;
}

.btn.primary {
    border: 1px solid rgba(0, 255, 65, 0.4);
    color: var(--accent-color);
    background: rgba(0, 255, 65, 0.05);
}

.btn.primary:hover {
    background: rgba(0, 255, 65, 0.12);
    box-shadow: var(--glow-green);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    z-index: -1;
    transition: transform 0.4s ease;
    transform: skewX(-15deg);
}

.btn.secondary {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.btn.secondary:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

/* Hero Code Visual */
.hero-visual {
    display: flex;
    justify-content: center;
}

.code-block {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s ease;
    min-width: 400px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.code-block::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.15), transparent 50%, rgba(0, 240, 255, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.code-block:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.5), var(--glow-green);
}

.window-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

pre {
    color: #a9b7c6;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    overflow-x: auto;
    line-height: 1.8;
}

/* About Section */
.section-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
    width: 100%;
}

.section-header h3 {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.line {
    height: 1px;
    background: linear-gradient(90deg, var(--border-color), transparent);
    flex-grow: 1;
    max-width: 250px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--card-bg);
    padding: 2.2rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, transparent, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    transition: background 0.4s ease;
}

.skill-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--glow-green);
    background: rgba(17, 17, 22, 0.9);
}

.skill-card:hover::before {
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.3), transparent 60%, rgba(0, 240, 255, 0.2));
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 1.2rem;
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: rgba(0, 255, 65, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 65, 0.08);
}

.skill-card h4 {
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Projects Section */
.project-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0;
    margin-bottom: 6rem;
    align-items: center;
}

.project-content {
    position: relative;
    z-index: 10;
    text-align: left;
    padding-right: 2rem;
}

.project-overline {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.project-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.project-description {
    background: var(--card-bg);
    padding: 1.5rem 1.8rem;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    line-height: 1.7;
}

.project-tech-list {
    list-style: none;
    display: flex;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.project-tech-list li {
    background: rgba(0, 255, 65, 0.04);
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 255, 65, 0.08);
}

.project-links a {
    color: var(--text-primary);
    margin-right: 1.5rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.project-links a:hover {
    color: var(--accent-secondary);
    transform: translateY(-2px);
}

.project-links svg {
    width: 20px;
    height: 20px;
}

.project-image-placeholder {
    height: 350px;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    right: 0;
    margin-left: -20px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.project-card:hover .project-image-placeholder {
    border-color: rgba(0, 240, 255, 0.2);
    box-shadow: var(--glow-blue);
}

.terminal-mock {
    font-family: var(--font-mono);
    padding: 1.5rem;
    font-size: 0.82rem;
    color: #888;
    line-height: 2;
}

.term-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.7rem;
    margin-bottom: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.term-body .green { color: var(--accent-color); }
.term-body .blue { color: var(--accent-secondary); }

/* Contact Section */
.contact-section {
    text-align: center;
    max-width: 650px;
    margin: 0 auto;
    align-items: center;
}

.contact-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.contact-wrapper h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -1px;
    font-weight: 600;
}

.contact-wrapper > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 450px;
    line-height: 1.8;
}

.social-links {
    margin-top: 3rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.social-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: var(--transition);
}

.social-item:hover {
    color: var(--accent-color);
    border-color: rgba(0, 255, 65, 0.3);
    background: rgba(0, 255, 65, 0.05);
    transform: translateY(-2px);
}

/* Footer */
footer {
    padding: 3rem 2rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

footer::before {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--accent-gradient);
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

/* Animations */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

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

.hero-content {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-visual {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s both;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 1.2rem 1.5rem;
    }

    .navbar.scrolled {
        padding: 0.8rem 1.5rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 2rem;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--border-color);
    }

    .nav-links.open {
        right: 0;
    }

    .mobile-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }

    .mobile-overlay.active {
        opacity: 1;
        pointer-events: all;
    }

    main {
        padding: 0 1.5rem;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-visual {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
        letter-spacing: -1px;
    }

    .typing-container {
        font-size: 1.3rem;
        justify-content: center;
    }

    .bio {
        margin-left: auto;
        margin-right: auto;
    }

    .cta-group {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .project-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }

    .project-image-placeholder {
        margin-left: 0;
        height: 250px;
    }

    .cursor-dot, .cursor-dot-outline {
        display: none;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .about-grid {
        gap: 1rem;
    }
}