body {
    background: linear-gradient(135deg, #0a1929 0%, #1a237e 30%, #263238 70%, #37474f 100%);
    color: #f8f9fa;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 400px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transform: translate(-50%, -50%);
    opacity: 0.3;
    z-index: 0;
    pointer-events: none;
    filter: drop-shadow(0 0 20px rgba(0, 100, 0, 0.3));
}

.snowflakes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.snowflake {
    position: absolute;
    top: -10px;
    animation: fall linear infinite;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1em;
    user-select: none;
}

@keyframes fall {
    to {
        transform: translateY(100vh) rotate(360deg);
    }
}

.snowflake:nth-child(1) { left: 5%; animation-duration: 6s; animation-delay: 0s; text-shadow: 0 0 2px rgba(220,220,220,0.4); }
.snowflake:nth-child(2) { left: 12%; animation-duration: 8s; animation-delay: 1s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(3) { left: 18%; animation-duration: 7s; animation-delay: 2s; text-shadow: 0 0 2px rgba(230,230,230,0.4); }
.snowflake:nth-child(4) { left: 25%; animation-duration: 9s; animation-delay: 3s; text-shadow: 0 0 2px rgba(210,210,210,0.5); }
.snowflake:nth-child(5) { left: 32%; animation-duration: 6.5s; animation-delay: 4s; text-shadow: 0 0 3px rgba(250,250,250,0.2); }
.snowflake:nth-child(6) { left: 38%; animation-duration: 8.5s; animation-delay: 0.5s; text-shadow: 0 0 2px rgba(225,225,225,0.4); }
.snowflake:nth-child(7) { left: 45%; animation-duration: 7.5s; animation-delay: 1.5s; text-shadow: 0 0 3px rgba(235,235,235,0.3); }
.snowflake:nth-child(8) { left: 52%; animation-duration: 9.5s; animation-delay: 2.5s; text-shadow: 0 0 2px rgba(215,215,215,0.5); }
.snowflake:nth-child(9) { left: 58%; animation-duration: 6.8s; animation-delay: 3.5s; text-shadow: 0 0 4px rgba(245,245,245,0.2); }
.snowflake:nth-child(10) { left: 65%; animation-duration: 8.2s; animation-delay: 4.5s; text-shadow: 0 0 2px rgba(220,220,220,0.4); }
.snowflake:nth-child(11) { left: 72%; animation-duration: 7.8s; animation-delay: 0.8s; text-shadow: 0 0 3px rgba(230,230,230,0.3); }
.snowflake:nth-child(12) { left: 78%; animation-duration: 9.2s; animation-delay: 1.8s; text-shadow: 0 0 2px rgba(210,210,210,0.5); }
.snowflake:nth-child(13) { left: 85%; animation-duration: 6.2s; animation-delay: 2.8s; text-shadow: 0 0 3px rgba(240,240,240,0.2); }
.snowflake:nth-child(14) { left: 92%; animation-duration: 8.8s; animation-delay: 3.8s; text-shadow: 0 0 2px rgba(225,225,225,0.4); }
.snowflake:nth-child(15) { left: 95%; animation-duration: 7.2s; animation-delay: 4.8s; text-shadow: 0 0 3px rgba(235,235,235,0.3); }
.snowflake:nth-child(16) { left: 8%; animation-duration: 5.5s; animation-delay: 5.5s; text-shadow: 0 0 2px rgba(220,220,220,0.4); }
.snowflake:nth-child(17) { left: 15%; animation-duration: 9.8s; animation-delay: 0.2s; text-shadow: 0 0 2px rgba(215,215,215,0.5); }
.snowflake:nth-child(18) { left: 22%; animation-duration: 6.8s; animation-delay: 1.2s; text-shadow: 0 0 3px rgba(245,245,245,0.2); }
.snowflake:nth-child(19) { left: 28%; animation-duration: 8.3s; animation-delay: 2.2s; text-shadow: 0 0 2px rgba(230,230,230,0.4); }
.snowflake:nth-child(20) { left: 35%; animation-duration: 7.1s; animation-delay: 3.2s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(21) { left: 42%; animation-duration: 9.7s; animation-delay: 4.2s; text-shadow: 0 0 2px rgba(225,225,225,0.4); }
.snowflake:nth-child(22) { left: 48%; animation-duration: 5.8s; animation-delay: 0.7s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }
.snowflake:nth-child(23) { left: 55%; animation-duration: 8.7s; animation-delay: 1.7s; text-shadow: 0 0 2px rgba(210,210,210,0.5); }
.snowflake:nth-child(24) { left: 62%; animation-duration: 6.4s; animation-delay: 2.7s; text-shadow: 0 0 3px rgba(235,235,235,0.3); }
.snowflake:nth-child(25) { left: 68%; animation-duration: 9.1s; animation-delay: 3.7s; text-shadow: 0 0 2px rgba(220,220,220,0.4); }
.snowflake:nth-child(26) { left: 75%; animation-duration: 7.9s; animation-delay: 4.7s; text-shadow: 0 0 3px rgba(245,245,245,0.2); }
.snowflake:nth-child(27) { left: 82%; animation-duration: 6.1s; animation-delay: 0.3s; text-shadow: 0 0 2px rgba(215,215,215,0.5); }
.snowflake:nth-child(28) { left: 88%; animation-duration: 8.9s; animation-delay: 1.3s; text-shadow: 0 0 2px rgba(230,230,230,0.4); }
.snowflake:nth-child(29) { left: 93%; animation-duration: 7.3s; animation-delay: 2.3s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(30) { left: 97%; animation-duration: 9.4s; animation-delay: 3.3s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }
.snowflake:nth-child(31) { left: 35%; animation-duration: 7.1s; animation-delay: 3.2s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(32) { left: 42%; animation-duration: 9.7s; animation-delay: 4.2s; text-shadow: 0 0 2px rgba(225,225,225,0.4); }
.snowflake:nth-child(34) { left: 48%; animation-duration: 5.8s; animation-delay: 0.7s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }
.snowflake:nth-child(35) { left: 55%; animation-duration: 8.7s; animation-delay: 1.7s; text-shadow: 0 0 2px rgba(210,210,210,0.5); }
.snowflake:nth-child(36) { left: 62%; animation-duration: 6.4s; animation-delay: 2.7s; text-shadow: 0 0 3px rgba(235,235,235,0.3); }
.snowflake:nth-child(37) { left: 68%; animation-duration: 9.1s; animation-delay: 3.7s; text-shadow: 0 0 2px rgba(220,220,220,0.4); }
.snowflake:nth-child(38) { left: 75%; animation-duration: 7.9s; animation-delay: 4.7s; text-shadow: 0 0 3px rgba(245,245,245,0.2); }
.snowflake:nth-child(39) { left: 82%; animation-duration: 6.1s; animation-delay: 0.3s; text-shadow: 0 0 2px rgba(215,215,215,0.5); }
.snowflake:nth-child(40) { left: 88%; animation-duration: 8.9s; animation-delay: 1.3s; text-shadow: 0 0 2px rgba(230,230,230,0.4); }
.snowflake:nth-child(41) { left: 93%; animation-duration: 7.3s; animation-delay: 2.3s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(42) { left: 97%; animation-duration: 9.4s; animation-delay: 3.3s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }

.snowflake:nth-child(43) { left: 28%; animation-duration: 8.3s; animation-delay: 2.2s; text-shadow: 0 0 2px rgba(230,230,230,0.4); }
.snowflake:nth-child(44) { left: 35%; animation-duration: 7.1s; animation-delay: 3.2s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(45) { left: 42%; animation-duration: 9.7s; animation-delay: 4.2s; text-shadow: 0 0 2px rgba(225,225,225,0.4); }
.snowflake:nth-child(46) { left: 48%; animation-duration: 5.8s; animation-delay: 0.7s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }
.snowflake:nth-child(47) { left: 55%; animation-duration: 8.7s; animation-delay: 1.7s; text-shadow: 0 0 2px rgba(210,210,210,0.5); }
.snowflake:nth-child(48) { left: 62%; animation-duration: 6.4s; animation-delay: 2.7s; text-shadow: 0 0 3px rgba(235,235,235,0.3); }
.snowflake:nth-child(49) { left: 68%; animation-duration: 9.1s; animation-delay: 3.7s; text-shadow: 0 0 2px rgba(220,220,220,0.4); }
.snowflake:nth-child(50) { left: 75%; animation-duration: 7.9s; animation-delay: 4.7s; text-shadow: 0 0 3px rgba(245,245,245,0.2); }
.snowflake:nth-child(51) { left: 82%; animation-duration: 6.1s; animation-delay: 0.3s; text-shadow: 0 0 2px rgba(215,215,215,0.5); }
.snowflake:nth-child(52) { left: 88%; animation-duration: 8.9s; animation-delay: 1.3s; text-shadow: 0 0 2px rgba(230,230,230,0.4); }
.snowflake:nth-child(53) { left: 93%; animation-duration: 7.3s; animation-delay: 2.3s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(54) { left: 97%; animation-duration: 9.4s; animation-delay: 3.3s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }
.snowflake:nth-child(55) { left: 35%; animation-duration: 7.1s; animation-delay: 3.2s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(56) { left: 42%; animation-duration: 9.7s; animation-delay: 4.2s; text-shadow: 0 0 2px rgba(225,225,225,0.4); }
.snowflake:nth-child(57) { left: 48%; animation-duration: 5.8s; animation-delay: 0.7s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }
.snowflake:nth-child(58) { left: 55%; animation-duration: 8.7s; animation-delay: 1.7s; text-shadow: 0 0 2px rgba(210,210,210,0.5); }
.snowflake:nth-child(59) { left: 62%; animation-duration: 6.4s; animation-delay: 2.7s; text-shadow: 0 0 3px rgba(235,235,235,0.3); }
.snowflake:nth-child(60) { left: 68%; animation-duration: 9.1s; animation-delay: 3.7s; text-shadow: 0 0 2px rgba(220,220,220,0.4); }
.snowflake:nth-child(61) { left: 75%; animation-duration: 7.9s; animation-delay: 4.7s; text-shadow: 0 0 3px rgba(245,245,245,0.2); }
.snowflake:nth-child(62) { left: 82%; animation-duration: 6.1s; animation-delay: 0.3s; text-shadow: 0 0 2px rgba(215,215,215,0.5); }
.snowflake:nth-child(63) { left: 88%; animation-duration: 8.9s; animation-delay: 1.3s; text-shadow: 0 0 2px rgba(230,230,230,0.4); }
.snowflake:nth-child(64) { left: 93%; animation-duration: 7.3s; animation-delay: 2.3s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(65) { left: 97%; animation-duration: 9.4s; animation-delay: 3.3s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }
.snowflake:nth-child(66) { left: 82%; animation-duration: 6.1s; animation-delay: 0.3s; text-shadow: 0 0 2px rgba(215,215,215,0.5); }
.snowflake:nth-child(67) { left: 88%; animation-duration: 8.9s; animation-delay: 1.3s; text-shadow: 0 0 2px rgba(230,230,230,0.4); }
.snowflake:nth-child(68) { left: 93%; animation-duration: 7.3s; animation-delay: 2.3s; text-shadow: 0 0 3px rgba(240,240,240,0.3); }
.snowflake:nth-child(69) { left: 97%; animation-duration: 9.4s; animation-delay: 3.3s; text-shadow: 0 0 4px rgba(250,250,250,0.2); }
.btn-primary {
    background: linear-gradient(45deg, #9cbee5, #42a5f5) !important;
    border: 2px solid rgba(255, 255, 255, 0.4) !important;
    transition: all 0.3s ease !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
}

.container {
    position: relative;
    z-index: 2;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
    margin: 2rem auto;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 10px 30px rgba(0, 0, 0, 0.3);
}

.lead {
    background: rgba(0, 0, 0, 0.4);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

img {
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.4),
        0 8px 20px rgba(0, 0, 0, 0.3);
}