:root {
    --bg0: #070910;
    --bg1: #0b0f1a;
    --panel: #101522;
    --text: #d7dde6;
    --glow: #7aa2ff;
    --line: rgba(255,255,255,0.08);
    --btn: #0f1628;
}

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

body {
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    background-color: var(--bg0);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    position: relative;
    text-align: center;
    padding: 100px 20px;
    background: radial-gradient(circle at 50% 0%, #121a2f 0%, var(--bg0) 80%);
    border-bottom: 1px solid var(--line);
    overflow: hidden;
}

.hero .logo-container {
    margin-bottom: 20px;
}

.hero .logo {
    width: 120px;
    filter: grayscale(100%) brightness(1.5) contrast(1.1);
}

.hero h1 {
    font-size: 3rem;
    letter-spacing: 4px;
    color: #dfe7ff;
    text-shadow: 0 0 20px rgba(122,162,255,0.3);
    margin-bottom: 10px;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: #98a3b4;
    margin-bottom: 30px;
}

/* Button Group */
.button-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.btn-primary {
    display: inline-block;
    padding: 15px 30px;
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #eaf0ff;
    text-decoration: none;
    background: linear-gradient(90deg, #0c1426, #0a1020);
    border-radius: 8px;
    transition: all 0.2s ease;
}

/* Chrome Button Styling */
.chrome-btn {
    border: 1px solid rgba(122,162,255,0.35);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 10px 20px rgba(0,0,0,0.5);
}

.chrome-btn:hover {
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), 0 12px 25px rgba(0,0,0,0.6), 0 0 25px rgba(122,162,255,0.25);
    transform: translateY(-2px);
}

/* Opera Button Styling */
.opera-btn {
    border: 1px solid rgba(255, 74, 82, 0.35);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 10px 20px rgba(0,0,0,0.5);
}

.opera-btn:hover {
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), 0 12px 25px rgba(0,0,0,0.6), 0 0 25px rgba(255, 74, 82, 0.25);
    transform: translateY(-2px);
}

/* Features Grid */
.features {
    padding: 80px 0;
    background-color: var(--bg1);
}

.features h2, .privacy h2 {
    text-align: center;
    letter-spacing: 2px;
    color: #dfe7ff;
    margin-bottom: 50px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.card h3 {
    color: #eaf0ff;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.card p {
    color: #98a3b4;
    font-size: 0.95rem;
}

/* Privacy Policy */
.privacy {
    padding: 80px 0;
    background-color: var(--bg0);
    border-top: 1px solid var(--line);
}

.privacy-content {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 40px;
    color: #98a3b4;
}

.privacy-content h4 {
    color: #eaf0ff;
    margin-top: 25px;
    margin-bottom: 10px;
}

.privacy-content ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.privacy-content li {
    margin-bottom: 8px;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    background: #05060a;
    border-top: 1px solid var(--line);
}

footer p {
    color: #98a3b4;
    font-size: 0.9rem;
}

footer .subtle {
    color: rgba(214,221,230,0.4);
    margin-top: 10px;
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 600px) {
    .grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; }
    .button-group { flex-direction: column; align-items: center; }
    .btn-primary { width: 100%; text-align: center; max-width: 300px; }
}