:root {
    --bg-main: #0a0a0a;
    --text-primary: #ededed;
    --text-secondary: #a0a0a0;
    --accent: #E2E8F0;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(90deg, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(30, 41, 59, 0.4) 0%, rgba(10, 10, 10, 1) 50%);
    z-index: -1;
    animation: rotateBg 30s linear infinite;
}

@keyframes rotateBg {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    max-width: 800px;
    animation: fadeUp 1s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.highlight {
    background: linear-gradient(to right, #93C5FD, #C4B5FD);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background-color: var(--text-primary);
    color: var(--bg-main);
    padding: 0.8rem 2rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
}

/* Projects Section */
.projects {
    padding: 8rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.projects h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 600;
}

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

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, background 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
}

.project-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.link-btn {
    color: #93C5FD;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.link-btn:hover {
    border-color: #93C5FD;
}

/* About Section */
.about {
    padding: 8rem 2rem;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.02));
    text-align: center;
}

.about p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Basic pages (Privacy Policy) */
.page-container {
    max-width: 800px;
    margin: 8rem auto 4rem auto;
    padding: 0 2rem;
}

.page-container h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.page-container h2 {
    font-size: 1.5rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.page-container p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.page-container ul {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.page-container li {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

footer p {
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .navbar {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
}