/* ============================================================
   BASE — базовая типографика, фон, контейнер, частицы, виньетка
   ============================================================ */

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    background: #000000;
    font-family: 'Inter', sans-serif;
    color: #f0f4fa;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    padding: 0 2rem;
}

/* ============================================================
   ПАРЯЩИЕ ЧАСТИЦЫ
   ============================================================ */

.particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(106, 61, 232, 0.25);
    border-radius: 50%;
    animation: float-particle 12s infinite linear;
}

.particle:nth-child(1)  { left: 5%;  animation-delay: 0s;    animation-duration: 14s; }
.particle:nth-child(2)  { left: 15%; animation-delay: 1.5s;  animation-duration: 12s; }
.particle:nth-child(3)  { left: 25%; animation-delay: 3s;    animation-duration: 16s; }
.particle:nth-child(4)  { left: 35%; animation-delay: 4.5s;  animation-duration: 10s; }
.particle:nth-child(5)  { left: 45%; animation-delay: 2s;    animation-duration: 13s; }
.particle:nth-child(6)  { left: 55%; animation-delay: 5s;    animation-duration: 15s; }
.particle:nth-child(7)  { left: 65%; animation-delay: 0.5s;  animation-duration: 11s; }
.particle:nth-child(8)  { left: 75%; animation-delay: 3.5s;  animation-duration: 14s; }
.particle:nth-child(9)  { left: 85%; animation-delay: 2.5s;  animation-duration: 12s; }
.particle:nth-child(10) { left: 95%; animation-delay: 4s;    animation-duration: 13s; }
.particle:nth-child(11) { left: 10%; animation-delay: 6s;    animation-duration: 11s; }
.particle:nth-child(12) { left: 50%; animation-delay: 7s;    animation-duration: 15s; }

@keyframes float-particle {
    0%   { transform: translateY(100vh) scale(0); opacity: 0; }
    10%  { opacity: 1; transform: translateY(85vh) scale(1); }
    90%  { opacity: 0.8; transform: translateY(10vh) scale(1); }
    100% { transform: translateY(-5vh) scale(0.5); opacity: 0; }
}

/* ============================================================
   ВИНЬЕТКА
   ============================================================ */

.vignette {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 10;
    background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.7) 100%);
    mix-blend-mode: multiply;
}