:root {
    --bg-dark: #0a0a0a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    
    --accent-red: #ff003c;
    --accent-blue: #0088ff;
    --accent-yellow: #ffcc00;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    animation: float 10s infinite alternate ease-in-out;
}

.glow.red {
    background: var(--accent-red);
    top: -200px;
    left: -200px;
}

.glow.blue {
    background: var(--accent-blue);
    bottom: -200px;
    right: -200px;
    animation-delay: -5s;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
}

/* Typography & Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-red), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

/* Nav */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.btn-coffee {
    background: rgba(255, 204, 0, 0.1);
    color: var(--accent-yellow) !important;
    padding: 10px 20px;
    border-radius: 100px;
    border: 1px solid rgba(255, 204, 0, 0.3);
    transition: all 0.3s !important;
}

.btn-coffee:hover {
    background: var(--accent-yellow);
    color: #000 !important;
    box-shadow: 0 0 20px rgba(255, 204, 0, 0.4);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 5%;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 80vh;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--accent-blue);
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.cta-group {
    display: flex;
    gap: 16px;
}

.btn-primary, .btn-secondary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--text-main);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

.hero-visual {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.thumbnail-card {
    padding: 10px;
    width: 100%;
    max-width: 650px;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 40px rgba(255, 0, 60, 0.2);
}

.thumbnail-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.thumbnail-card img {
    width: 100%;
    border-radius: 12px;
    display: block;
}

.floating-element {
    position: absolute;
    font-size: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 50%;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: float 6s infinite alternate ease-in-out;
}

.el-1 { top: -20px; right: -20px; animation-delay: 0s; }
.el-2 { bottom: 40px; left: -30px; animation-delay: -2s; font-size: 2rem; }
.el-3 { bottom: -20px; right: 40px; animation-delay: -4s; font-size: 2rem; }

/* Features Section */
.features {
    padding: 120px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
    border-color: rgba(255, 255, 255, 0.15);
}

.icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
    display: inline-block;
    padding: 15px;
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
}

/* Uninstall Feedback Section */
.uninstall-feedback {
    padding: 80px 5%;
    max-width: 900px;
    margin: 0 auto;
}

.feedback-form {
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.feedback-form fieldset {
    border: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feedback-form legend {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-main);
    margin-bottom: 10px;
    padding: 0;
}

.feedback-form label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.feedback-form label:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
}

.feedback-form input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
    cursor: pointer;
    flex-shrink: 0;
}

.feedback-form textarea,
.feedback-form input[type="email"] {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    padding: 12px 14px;
    transition: border-color 0.2s;
}

.feedback-form textarea {
    resize: vertical;
    min-height: 80px;
}

.feedback-form textarea:focus,
.feedback-form input[type="email"]:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.feedback-form input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
    cursor: pointer;
    flex-shrink: 0;
}

.form-status {
    font-size: 0.9rem;
    margin: 0;
    min-height: 1.2em;
}

.form-status[data-kind="info"] {
    color: var(--text-muted);
}

.form-status[data-kind="success"] {
    color: #6ee7b7;
}

.form-status[data-kind="error"] {
    color: #ff8a8a;
}

.feedback-form .btn-primary {
    align-self: flex-start;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.feedback-note {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: -10px;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 5%;
    margin-top: 100px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 10px;
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    100% { transform: translateY(-20px) rotate(5deg); }
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 40px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .cta-group {
        justify-content: center;
    }
    
    .hero h1 { font-size: 3.5rem; }
}

@media (max-width: 768px) {
    .nav-links .github-link { display: none; }
    .hero h1 { font-size: 2.8rem; }
    .cta-group { flex-direction: column; }
    .feature-grid { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}