:root {
    --ink: #02060f;
    --deep: #07111d;
    --blue: #0d4f8b;
    --blue-light: #4fc3ff;
    --panel: rgba(4, 12, 25, 0.82);
    --line: rgba(79, 195, 255, 0.34);
    --glow: rgba(79, 195, 255, 0.7);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: #f8fbff;
    background:
        radial-gradient(circle at 20% 20%, rgba(79, 195, 255, 0.14), transparent 26%),
        radial-gradient(circle at 80% 10%, rgba(16, 78, 139, 0.3), transparent 24%),
        linear-gradient(135deg, #01040a 0%, #060b18 45%, #03070f 100%);
    overflow: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        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: 36px 36px;
    opacity: 0.35;
    pointer-events: none;
    mix-blend-mode: screen;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        180deg,
        rgba(255,255,255,0.03),
        rgba(255,255,255,0.03) 1px,
        transparent 2px,
        transparent 6px
    );
    opacity: 0.15;
    pointer-events: none;
}

.poster {
    position: relative;
    width: min(92vw, 1000px);
    min-height: min(82vh, 700px);
    border: 1px solid var(--line);
    border-radius: 24px;
    background:
        radial-gradient(circle at top left, rgba(79, 195, 255, 0.12), transparent 30%),
        linear-gradient(145deg, rgba(7, 20, 41, 0.92), rgba(1, 8, 16, 0.96));
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.04) inset,
        0 0 50px rgba(15, 67, 113, 0.36),
        0 20px 80px rgba(0, 0, 0, 0.55);
    overflow: hidden;
    isolation: isolate;
}

.poster::before,
.poster::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.poster::before {
    background: linear-gradient(90deg, transparent, rgba(79, 195, 255, 0.08), transparent);
    transform: translateX(-120%);
    animation: sweep 7s linear infinite;
}

.poster::after {
    inset: 18px;
    border: 1px solid rgba(79, 195, 255, 0.18);
    border-radius: 18px;
    box-shadow: inset 0 0 24px rgba(79, 195, 255, 0.1);
}

.banner {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    display: grid;
    place-items: center;
    background: linear-gradient(90deg, rgba(4, 13, 24, 0.92), rgba(11, 28, 49, 0.85), rgba(4, 13, 24, 0.92));
    border-bottom: 1px solid rgba(79, 195, 255, 0.22);
    letter-spacing: 0.42em;
    text-transform: uppercase;
    font-size: 0.76rem;
    color: rgba(255,255,255,0.8);
    text-shadow: 0 0 10px rgba(79, 195, 255, 0.45);
}

.banner span {
    display: inline-block;
    padding: 0 14px;
    border-left: 1px solid rgba(79, 195, 255, 0.2);
    border-right: 1px solid rgba(79, 195, 255, 0.2);
}

.content {
    position: relative;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 48px;
    text-align: center;
}

.content::before {
    content: "";
    position: absolute;
    inset: 12% 20% auto;
    height: 58%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79, 195, 255, 0.16), transparent 60%);
    filter: blur(24px);
    z-index: 0;
}

.logo {
    position: relative;
    z-index: 1;
    margin: 0;
    font-size: clamp(3rem, 8vw, 6.8rem);
    font-weight: 800;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: #f7fbff;
    text-shadow:
        0 0 8px rgba(79, 195, 255, 0.5),
        0 0 24px rgba(12, 84, 146, 0.42),
        0 0 80px rgba(14, 90, 155, 0.32);
}

.logo span {
    display: inline-block;
    transform: translateY(0);
    animation: float 3.4s ease-in-out infinite;
}

.logo span:nth-child(2) { animation-delay: 0.15s; }
.logo span:nth-child(3) { animation-delay: 0.3s; }
.logo span:nth-child(4) { animation-delay: 0.45s; }
.logo span:nth-child(5) { animation-delay: 0.6s; }
.logo span:nth-child(6) { animation-delay: 0.75s; }
.logo span:nth-child(7) { animation-delay: 0.9s; }

.subtitle {
    position: relative;
    z-index: 1;
    margin-top: 1rem;
    font-size: clamp(0.95rem, 2.4vw, 1.3rem);
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: rgba(219, 239, 255, 0.9);
    text-shadow: 0 0 12px rgba(79, 195, 255, 0.35);
}

.subtitle::before,
.subtitle::after {
    content: "";
    display: inline-block;
    width: 46px;
    height: 1px;
    margin: 0 12px 4px;
    background: linear-gradient(90deg, transparent, rgba(79, 195, 255, 0.8), transparent);
    vertical-align: middle;
}

@keyframes sweep {
    0% { transform: translateX(-120%); }
    100% { transform: translateX(120%); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@media (max-width: 640px) {
    .poster { min-height: 70vh; }
    .banner { height: 48px; font-size: 0.65rem; letter-spacing: 0.24em; }
    .content { padding: 96px 18px 36px; }
    .subtitle::before,
    .subtitle::after { width: 24px; margin: 0 8px 4px; }
}