.intro-body {
    margin: 0;
    min-height: 100vh;
    overflow: hidden;
    background:
        radial-gradient(circle at center, rgba(90, 120, 255, 0.15), transparent 20%),
        linear-gradient(180deg, #02040c 0%, #050917 100%);
    color: var(--text);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.intro-stage {
    position: relative;
    min-height: 100vh;
}

#cosmic-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.intro-overlay {
    position: relative;
    z-index: 2;
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
}

.intro-logo-wrap {
    max-width: 760px;
}

.intro-kicker {
    margin-bottom: 1rem;
    color: rgb(201, 213, 255);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    text-shadow:
        0 0 10px rgba(157, 183, 255, 0.45),
        0 0 18px rgba(221, 166, 248, 0.18);
}

.intro-logo {
    margin-bottom: 1rem;

    font-size: clamp(2.5rem, 8vw, 5.5rem);
    line-height: 1;

    background: linear-gradient(
        90deg,
        rgb(242, 245, 249) 0%,
        rgb(157, 183, 255) 22%,
        rgb(120, 157, 248) 45%,
        rgb(221, 166, 248) 68%,
        rgb(164, 61, 234) 100%
    );

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;

    text-shadow:
        0 0 18px rgba(157, 183, 255, 0.18),
        0 0 32px rgba(221, 166, 248, 0.12);
        
        filter: drop-shadow(0 0 14px rgba(157, 183, 255, 0.28))
        drop-shadow(0 0 28px rgba(221, 166, 248, 0.18));
}

.intro-status {
    margin-bottom: 2rem;
    color: #c4cff4;
    font-size: 1.1rem;
}

.intro-line {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 1.2s ease, transform 1.2s ease;
}

.intro-line.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.intro-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.delayed-button {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 1.2s ease, transform 1.2s ease;
}

.delayed-button.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.intro-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;

    min-width: 150px;
    padding: 0.9rem 1.8rem;

    border-radius: 999px;
    border: 1px solid rgba(221, 166, 248, 0.42);

    background:
        linear-gradient(135deg, rgba(157, 183, 255, 0.14), rgba(221, 166, 248, 0.16));

    color: rgb(235, 240, 255);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.02em;

    backdrop-filter: blur(10px);

    box-shadow:
        0 0 24px rgba(157, 183, 255, 0.14),
        0 0 42px rgba(221, 166, 248, 0.08),
        inset 0 0 14px rgba(255, 255, 255, 0.04);

    transition:
        transform 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease,
        background 0.25s ease;
}

.intro-button::after {
    content: "→";
    font-size: 1.1rem;
    line-height: 1;
    opacity: 0.8;
}

.intro-button:hover,
.intro-button:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(157, 183, 255, 0.65);
    background:
        linear-gradient(135deg, rgba(157, 183, 255, 0.22), rgba(221, 166, 248, 0.24));
    box-shadow:
        0 0 30px rgba(157, 183, 255, 0.22),
        0 0 60px rgba(221, 166, 248, 0.14),
        inset 0 0 16px rgba(255, 255, 255, 0.05);
}