:root {
    --bg-dark: #121212;
    --acc-green: #2ecc71;
    --text-white: #ffffff;
    --text-grey: #b3b3b3;
    --nav-bg: rgba(26, 26, 26, 0.8);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-white);
    background-color: var(--bg-dark);
    height: 100vh;
    overflow: hidden;
    user-select: none;
}

/* Background Effects */
.bg-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('arkaplan.jpg'); /* Local background image */
    background-size: cover;
    background-position: center;
    filter: blur(2px) brightness(0.4);
    z-index: -2;
}

.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 20%, rgba(0,0,0,0.8) 100%);
    z-index: -1;
}

/* Navbar */
.top-nav {
    padding: 2rem;
    text-align: center;
    position: absolute;
    top: 0;
    width: 100%;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 5px;
    opacity: 0.9;
}

/* Hero Content */
.hero-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.hero-content {
    max-width: 800px;
}

h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.sub-headline {
    font-size: 1.25rem;
    color: var(--text-white);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-grey);
    margin-bottom: 1.5rem;
}

.hashtags {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 2rem;
    font-family: monospace;
}

/* Buttons */
.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 2.5rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-green {
    background-color: var(--acc-green);
    color: white;
}

.btn-green:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
}

.btn-white {
    background-color: white;
    color: #333;
}

.btn-white:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

/* Extra Links */
.extra-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.extra-links a {
    color: var(--text-grey);
    text-decoration: none;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.extra-links a:hover {
    color: var(--text-white);
}

/* Bottom Bar */
.bottom-bar {
    position: absolute;
    bottom: 3rem;
    background: var(--nav-bg);
    padding: 1rem 3rem;
    border-radius: 100px;
    display: flex;
    gap: 2.5rem;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.bottom-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-white);
    opacity: 0.7;
    transition: var(--transition);
}

.bottom-item:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* License Mini Card */
.license-mini-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 1rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 350px;
    margin: 0 auto;
}

.license-mini-card input {
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    padding: 0.6rem;
    color: white;
    text-align: center;
    outline: none;
}

.license-mini-card button {
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.license-mini-card button:hover {
    background: rgba(255,255,255,0.2);
}

.license-result {
    font-size: 0.85rem;
    padding-top: 0.5rem;
    display: none;
}

.license-result.active { display: block; }

.license-result .success { color: #2ecc71; }
.license-result .error { color: #e74c3c; }

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease, visibility 0.4s;
    visibility: hidden;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

.modal-body-content {
    background: rgba(40, 40, 40, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    padding: 3rem;
    border-radius: 24px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0,0,0,0.6);
    animation: modalPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.7) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header-box {
    margin-bottom: 1.5rem;
}

.modal-header-box i {
    width: 60px;
    height: 60px;
    color: var(--acc-green);
    margin-bottom: 1rem;
}

.modal-header-box h3 {
    font-size: 1.8rem;
    font-weight: 800;
}

.modal-text {
    color: var(--text-grey);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

.btn-modal {
    background: white;
    color: black;
    border: none;
    padding: 0.8rem 3rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-modal:hover {
    transform: scale(1.05);
    background: #f0f0f0;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-up { animation: fadeInUp 0.8s ease forwards; opacity: 0; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .bottom-bar { 
        padding: 1rem; 
        gap: 1rem; 
        bottom: 1rem; 
        width: 90%; 
        justify-content: center; 
        flex-wrap: wrap;
        border-radius: 20px;
    }
    .hero-btns { flex-direction: column; }
    .extra-links { flex-direction: column; gap: 1rem; align-items: center; }
}