/* =========================
   Base reset
========================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #000;
    color: #fff;
    min-height: 100vh;
}

/* =========================
   Hero section
========================= */
.hero {
    width: 100%;
    min-height: 700px;
    background-image:
        linear-gradient(
            to bottom,
            rgba(0, 0, 0, 1) 0%,
            rgba(0, 0, 0, 0) 20%,
            rgba(0, 0, 0, 0) 80%,
            rgba(0, 0, 0, 1) 100%
        ),
        url("images/spaceBG.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    width: 100%;
    padding: 40px 20px;
    text-align: center;
    background: transparent;
}

h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #e6f2ff;
    text-shadow:
        0 0 6px rgba(120, 180, 255, 0.6),
        0 0 18px rgba(120, 180, 255, 0.35),
        0 0 32px rgba(120, 180, 255, 0.2);
}

/* =========================
   Floating platform
========================= */
.ad-pivot {
    width: 100%;
    max-width: 728px;
    height: 140px;
    margin: 60px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.ad-ship {
    width: 100%;
    max-height: 100%;
    object-fit: contain;
    opacity: 0.8;
    filter: drop-shadow(0 0 20px rgba(120, 180, 255, 0.35));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0); }
}

/* =========================
   Survey input
========================= */
.survey-input {
    width: 100%;
    max-width: 600px;
    padding: 14px 18px;
    font-size: 1rem;
    color: #eef6ff;
    border: 1px solid rgba(120, 180, 255, 0.35);
    border-radius: 10px;
    outline: none;
    resize: vertical;
    background: linear-gradient(
        135deg,
        rgba(20, 30, 50, 0.65),
        rgba(10, 15, 30, 0.45)
    );
    backdrop-filter: blur(6px);
    box-shadow:
        inset 0 0 12px rgba(120, 180, 255, 0.25),
        0 0 18px rgba(120, 180, 255, 0.25);
}

.survey-input::placeholder {
    color: rgba(200, 220, 255, 0.6);
}

/* =========================
   Footer: counter + button
========================= */
.survey-footer {
    max-width: 600px;
    margin: 12px auto 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.char-counter {
    font-size: 0.9rem;
    color: rgba(200, 220, 255, 0.8);
    text-shadow: 0 0 6px rgba(120, 180, 255, 0.35);
}

.submit-btn {
    padding: 8px 18px;
    font-size: 0.95rem;
    color: #e6f2ff;
    background: linear-gradient(
        135deg,
        rgba(40, 70, 120, 0.6),
        rgba(20, 40, 80, 0.45)
    ); 
    border: 1px solid rgba(120, 180, 255, 0.4);
    border-radius: 8px;
    cursor: pointer;
    backdrop-filter: blur(4px);
    box-shadow: 0 0 12px rgba(120, 180, 255, 0.35);
}

.submit-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}

/* =========================
   Responsive
========================= */
@media (max-width: 600px) {
    h1 {
        font-size: 2.2rem;
    }
}