html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 100px;
    border: 2.5px solid var(--bg-color);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

@supports (scrollbar-width: thin) {
    html {
        scrollbar-width: thin;
        scrollbar-color: var(--glass-border) var(--bg-color);
    }
}

:root[data-theme="dark"],
:root:not([data-theme]) {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-color: #3b82f6;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
}

:root[data-theme="light"] {
    --bg-color: #f8fafc;
    --text-color: #0f172a;
    --accent-color: #2563eb;
    --glass-bg: rgba(0, 0, 0, 0.03);
    --glass-border: rgba(0, 0, 0, 0.1);
}

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

html, body, * {
    cursor: none !important;
}

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(147, 51, 234, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -1px;
}

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

.nav-links li {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    display: inline-block;
}

.nav-links a:hover {
    opacity: 1;
    background: var(--glass-border);
    transform: translateY(-2px);
    letter-spacing: 0.5px;
}

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 10%;
}

.hero h1 {
    font-size: clamp(3rem, 10vw, 8rem);
    font-weight: 900;
    letter-spacing: -4px;
    line-height: 0.9;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.6;
    max-width: 800px;
}

.projects {
    padding: 10rem 10%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 4rem;
    letter-spacing: -1px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 20px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.project-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--glass-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--glass-border);
}

.project-image span {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    opacity: 0.4;
    text-transform: uppercase;
}

.project-card h3 {
    font-size: 1.5rem;
}

.project-card p {
    opacity: 0.5;
    font-size: 0.95rem;
}

.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.theme-toggle:hover {
    background-color: var(--glass-border);
}

.sun {
    display: none;
}

.moon {
    display: block;
}

[data-theme="light"] .sun {
    display: block;
}

[data-theme="light"] .moon {
    display: none;
}

#cursorTrail {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

@media screen and (max-width: 1024px) {
    html, body, * {
        cursor: auto !important;
    }

    #cursorTrail {
        display: none !important;
    }
}

@media screen and (max-width: 768px) {
    nav {
        padding: 1rem 5%;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .hero {
        padding: 0 5%;
    }

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

    .projects {
        padding: 6rem 5%;
    }

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