:root {
    --bg-color: #040407;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.25);
    --laser-color: #ff007a;
    --laser-cyan: #00f2fe;
    --target-x: 50vw;
    --target-y: 50vh;
}

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

html, body {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background-color: var(--bg-color);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 1rem;
}

/* Technical Grid Field (Subtle 404-style setting) */
.laser-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(0, 242, 254, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
    mask-image: radial-gradient(circle at center, black 20%, transparent 85%);
    -webkit-mask-image: radial-gradient(circle at center, black 20%, transparent 85%);
}

/* Sweeping Vertical Laser Beam */
.laser-scanner {
    position: absolute;
    top: -100px;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 242, 254, 0.1) 50%,
        rgba(0, 242, 254, 0.6) 90%,
        #ffffff 100%
    );
    box-shadow: 
        0 0 15px rgba(255, 255, 255, 0.9), 
        0 0 35px rgba(0, 242, 254, 0.7),
        0 0 60px rgba(79, 172, 254, 0.4);
    z-index: 1;
    pointer-events: none;
    animation: laserScan 6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* Dynamic Laser Targeting Reticle */
.laser-target {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(
            150px circle at var(--target-x) var(--target-y),
            rgba(0, 242, 254, 0.15),
            transparent 80%
        ),
        radial-gradient(
            8px circle at var(--target-x) var(--target-y),
            #00f2fe 0%,
            rgba(0, 242, 254, 0.6) 50%,
            transparent 100%
        );
    z-index: 1;
    pointer-events: none;
}

/* Ambient Aura Orbs */
.aura-orb {
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.25;
    pointer-events: none;
    z-index: 0;
    animation: pulseAura 8s ease-in-out infinite alternate;
}

.aura-1 {
    background: radial-gradient(circle, #00f2fe 0%, #3b82f6 100%);
    top: 20%;
    left: 15%;
}

.aura-2 {
    background: radial-gradient(circle, #00f2fe 0%, #4facfe 100%);
    bottom: 20%;
    right: 15%;
}

/* Glassmorphism Card Container */
.container {
    position: relative;
    z-index: 2;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    padding: clamp(2.25rem, 5vw, 3.75rem) clamp(1.25rem, 4vw, 2.5rem);
    border-radius: 24px;
    text-align: center;
    max-width: 520px;
    width: 100%;
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.8),
                0 0 1px 1px rgba(255, 255, 255, 0.05) inset;
}

.badge {
    display: inline-block;
    font-size: clamp(0.65rem, 2.5vw, 0.75rem);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.5rem 1.1rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #d4d4d8;
    margin-bottom: 1.75rem;
    font-weight: 600;
    line-height: 1.4;
    max-width: 100%;
    overflow-wrap: break-word;
}

/* White-to-Blue Animated Gradient Text */
.gradient-text {
    font-size: clamp(2.1rem, 8.5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(
        90deg, 
        #ffffff 0%, 
        #00f2fe 25%, 
        #3b82f6 50%, 
        #60a5fa 75%, 
        #ffffff 100%
    );
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: textShine 5s linear infinite;
    margin-bottom: 1rem;
    line-height: 1.15;
    overflow-wrap: break-word;
}

p {
    color: #a1a1aa;
    font-size: clamp(0.95rem, 3vw, 1.125rem);
    line-height: 1.6;
    font-weight: 400;
    margin-bottom: 2rem;
    overflow-wrap: break-word;
}

/* Glassmorphism Action Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    text-decoration: none;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 1.75rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(0, 242, 254, 0.5);
    transform: translateY(-2px);
    box-shadow: 
        0 0 15px rgba(255, 255, 255, 0.4), 
        0 10px 25px -5px rgba(0, 242, 254, 0.4);
}

.btn svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.3s ease;
}

.btn:hover svg {
    transform: scale(1.1);
}

/* Keyframe Animations */
@keyframes laserScan {
    0% { top: -100px; opacity: 0; }
    15% { opacity: 1; }
    85% { opacity: 1; }
    100% { top: 100vh; opacity: 0; }
}

@keyframes pulseAura {
    0% { transform: scale(0.9); opacity: 0.2; }
    100% { transform: scale(1.1); opacity: 0.3; }
}

@keyframes textShine {
    to { background-position: 200% center; }
}

@media (max-width: 380px) {
    .container { padding: 1.75rem 1rem; }
    .badge { letter-spacing: 0.05em; }
}