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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: #090d16;
    color: #f8fafc;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    background-color: #111827;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #1f2937;
    z-index: 1002;
}

.logo-link {
    text-decoration: none;
    display: inline-block;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: #10b981;
    display: flex;
    flex-direction: column; 
    line-height: 1.1;       
}

.logo-subtitle {
    font-size: 0.7rem;      
    font-weight: 400;       
    color: #94a3b8;         
    letter-spacing: 1px;    
    margin-top: 2px;
}

.menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    padding: 0;
    z-index: 1001;
}

.menu-btn span {
    width: 100%;
    height: 3px;
    background-color: #f8fafc;
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
}

.menu-btn.active span {
    background-color: #10b981;
}

.menu-btn.active span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

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

.menu-btn.active span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -300px; 
    width: 280px;
    height: 100vh;
    background-color: #111827;
    border-left: 1px solid #1f2937;
    display: flex;
    flex-direction: column;
    padding: 90px 1.5rem 2rem 1.5rem;
    transition: right 0.3s ease-in-out; 
    z-index: 1000;
}

.nav-menu.active {
    right: 0;
}

.menu-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #94a3b8;
    margin-bottom: 1rem;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: #f8fafc;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background-color: #1f2937;
    color: #10b981;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    z-index: 999;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.main-content {
    text-align: center;
    padding: 2rem;
}

.main-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #10b981;
}

.main-content p {
    color: #94a3b8;
    font-size: 1.2rem;
}

button {
    background-color:#10b981;
    color:#000000;
    width:300px;
    height:100px;
    font-size: 1.5rem;
}