*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #080808;
    color: #e0e0e0;
}

/* ── Hero Section ───────────────────────────────────────────── */

.hero {
    height: 100vh;
    background: url('../assets/images/neovirus-hero2.png') center / cover no-repeat;
    position: relative;
    display: flex;
    align-items: flex-end;
}

/* Dark gradient overlay — top is clear, bottom fades to black */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.88) 0%,
        rgba(0, 0, 0, 0.10) 40%,
        transparent 100%
    );
    pointer-events: none;
}

.hero-cta {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 14px;
    padding: 0 60px 52px 0;
    margin-left: auto;
}

/* ── Buttons ────────────────────────────────────────────────── */

.btn {
    display: inline-block;
    padding: 14px 36px;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 1.5px;
    border: 2px solid transparent;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    min-width: 220px;
    text-align: center;
}

.btn-primary {
    background: #9b1f1f;
    border-color: #c03939;
    color: #fff;
}

.btn-primary:hover {
    background: #b52424;
    border-color: #d94444;
}

.btn-secondary {
    background: rgba(0, 0, 0, 0.55);
    border-color: #666;
    color: #ddd;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: #999;
    color: #fff;
}

.btn-ghost {
    background: transparent;
    border-color: #555;
    color: #aaa;
}

.btn-ghost:hover {
    border-color: #888;
    color: #ddd;
}

.btn-readmore {
    color: #888;
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 6px;
    transition: color 0.2s;
}

.btn-readmore:hover {
    color: #c03939;
}

/* ── Story Section ──────────────────────────────────────────── */

.story {
    background: #0d0d0d;
    border-top: 1px solid #1e1e1e;
}

.story-inner {
    max-width: 740px;
    margin: 0 auto;
    padding: 80px 40px;
}

.story-block {
    margin-bottom: 56px;
}

.story-block h2 {
    font-size: 20px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #c03939;
    margin: 0 0 18px 0;
    border-bottom: 1px solid #1e1e1e;
    padding-bottom: 10px;
}

.story-block p {
    font-size: 17px;
    line-height: 1.75;
    color: #c8c8c8;
    margin: 0 0 16px 0;
}

.story-question {
    font-size: 19px !important;
    font-weight: 700;
    color: #e0e0e0 !important;
    margin-top: 24px !important;
}

.story-cta {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    flex-wrap: wrap;
}

/* ── Footer ─────────────────────────────────────────────────── */

.landing-footer {
    background: #060606;
    border-top: 1px solid #181818;
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #555;
}

.landing-footer a {
    color: #666;
    text-decoration: none;
}

.landing-footer a:hover {
    color: #aaa;
}

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 640px) {
    .hero-cta {
        padding: 0 28px 40px 0;
    }

    .btn {
        min-width: 180px;
    }

    .story-inner {
        padding: 52px 24px;
    }

    .landing-footer {
        flex-direction: column;
        gap: 8px;
        padding: 20px 24px;
        text-align: center;
    }
}