/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0b0f19;
    color: #ffffff;
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height for mobile browser bars */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Decorative Glows */
.background-glow {
    position: absolute;
    width: 45vw;
    height: 45vw;
    max-width: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(0,0,0,0) 70%);
    top: -10%;
    right: -10%;
    z-index: 0;
}

body::before {
    content: '';
    position: absolute;
    width: 50vw;
    height: 50vw;
    max-width: 600px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.08) 0%, rgba(0,0,0,0) 70%);
    bottom: -20%;
    left: -10%;
    z-index: 0;
}

/* Container & Glassmorphism Card */
.container {
    width: 100%;
    padding: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 4rem 3rem;
    width: 100%;
    max-width: 550px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Logo */
.logo h2 {
    font-size: 1.35rem;
    letter-spacing: 3px;
    font-weight: 800;
    margin-bottom: 3rem;
    color: #f3f4f6;
}

.logo span {
    color: #6366f1;
}

/* Content */
.content h1 {
    font-size: clamp(1.8rem, 4.5vw, 2.5rem); /* Responsive fluid typography */
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1.25rem;
    background: linear-gradient(to right, #ffffff, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.content p {
    color: #9ca3af;
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    line-height: 1.6;
    max-width: 440px;
    margin: 0 auto;
}

/* Responsive Breakpoints */
@media (max-width: 480px) {
    .container {
        padding: 16px;
    }

    .card {
        padding: 3rem 1.5rem;
        border-radius: 20px;
    }
    
    .logo h2 {
        margin-bottom: 2rem;
    }
}