:root {
    --primary-color: #00ff88;
    --secondary-color: #00d4ff;
    --bg-color: #05060a;
    --card-bg: rgba(255, 255, 255, 0.03);
    --text-color: #f0f0f0;
    --text-muted: rgba(255, 255, 255, 0.6);
    --accent-gradient: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    --font-main: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(0, 255, 136, 0.15), transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 40px 40px, 40px 40px;
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* SEO & Semantic Structure */
header {
    padding: 4rem 2rem;
    text-align: center;
    background: radial-gradient(circle at top, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
}

h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--accent-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -2px;
    filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.3));
    animation: fadeInDown 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

.subtitle {
    font-size: 1.35rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 3rem;
    font-weight: 300;
    animation: fadeInUp 1.2s cubic-bezier(0.23, 1, 0.32, 1) 0.2s both;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Glassmorphism Card for Iframe */
.iframe-wrapper {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 32px;
    padding: 2rem;
    box-shadow: 
        0 4px 24px -1px rgba(0, 0, 0, 0.2),
        0 0 40px rgba(0, 255, 136, 0.1);
    margin-bottom: 6rem;
    animation: scaleIn 1s cubic-bezier(0.23, 1, 0.32, 1) 0.4s both;
    position: relative;
    overflow: hidden;
    perspective: 1000px;
}

.iframe-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 180deg at 50% 50%, transparent 0deg, rgba(0, 255, 136, 0.05) 90deg, transparent 180deg);
    animation: rotate 10s linear infinite;
    z-index: -1;
}

iframe {
    border-radius: 12px;
    background: #fff; /* HackerOne iframe usually expects a white bg or handles its own */
    transition: transform 0.3s ease;
}

/* Footer & Details */
footer {
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

.badge-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem 2rem;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.badge:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .subtitle { font-size: 1.1rem; }
    .iframe-wrapper { padding: 0.5rem; }
}