:root {
    --bg-primary: #111021;
    --bg-secondary: #1a1736;
    --panel: rgba(84, 0, 203, 0.12);
    --panel-border: #3f007d;
    --text-primary: #eaeaea;
    --text-secondary: #b4a8c9;
    --text-muted: #8f8f8f;
    --primary: #5400cb;
    --primary-light: #8000ff;
    --green: #28a745;
    --green-hover: #218838;
    --max-width: 1120px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Outfit", sans-serif;
    color: var(--text-primary);
    background:
        radial-gradient(1200px 500px at 75% -10%, rgba(128, 0, 255, 0.14), transparent 60%),
        radial-gradient(900px 420px at 10% 10%, rgba(84, 0, 203, 0.18), transparent 55%),
        var(--bg-primary);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

.header,
.main-content,
.footer-content,
.footer-bottom {
    width: min(var(--max-width), calc(100% - 48px));
    margin: 0 auto;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.logo-mark {
    min-width: 38px;
    height: 30px;
    padding: 0 8px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: "Sora", sans-serif;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.logo-mark.small {
    min-width: 34px;
    height: 28px;
    font-size: 0.86rem;
}

.logo-full {
    font-family: "Sora", sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.primary-btn,
.ghost-btn {
    border-radius: 8px;
    font-weight: 700;
    line-height: 1;
    transition: 0.22s ease;
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, var(--primary), var(--primary-light));
    color: #fff;
    border: none;
    padding: 12px 18px;
}

.primary-btn.large {
    padding: 14px 22px;
}

.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(84, 0, 203, 0.34);
}

.ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--panel-border);
    background: rgba(84, 0, 203, 0.16);
    color: var(--text-primary);
    padding: 14px 22px;
}

.ghost-btn:hover {
    background: rgba(84, 0, 203, 0.28);
}

.main-content {
    padding-bottom: 72px;
}

.hero {
    padding: 40px 0 32px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid #402370;
    background: rgba(84, 0, 203, 0.2);
    color: var(--text-secondary);
    font-size: 0.86rem;
    margin-bottom: 18px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--green);
}

.slogan {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.15;
}

.highlight {
    background: linear-gradient(130deg, #a98cff, #7a4dff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sub-slogan {
    margin: 16px auto 0;
    max-width: 780px;
    color: var(--text-secondary);
    font-size: 1.08rem;
}

.hero-actions {
    margin-top: 24px;
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-note {
    color: var(--text-muted);
    margin-top: 16px;
    font-size: 0.92rem;
}

.prompt-chip {
    margin: 14px auto 0;
    display: inline-block;
    border: 1px solid rgba(84, 0, 203, 0.5);
    background: rgba(84, 0, 203, 0.16);
    color: #d7cdf2;
    border-radius: 7px;
    padding: 7px 12px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.86rem;
}

.video-section,
.features {
    margin-top: 28px;
}

.section-heading {
    text-align: center;
    margin-bottom: 16px;
}

.section-heading h2 {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: 1.7rem;
}

.section-heading p {
    margin: 8px 0 0;
    color: var(--text-secondary);
}

.video-container {
    width: min(940px, 100%);
    margin: 0 auto;
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 14px 36px rgba(8, 6, 20, 0.46);
    background: #0a0a12;
}

.video-container iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
}

.video-caption {
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
    font-size: 0.92rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.feature-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 18px 16px;
}

.feature-card h3 {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: 1.02rem;
}

.feature-card p {
    margin: 8px 0 0;
    color: var(--text-secondary);
}

.cta-strip {
    margin-top: 28px;
    border: 1px solid var(--panel-border);
    background: linear-gradient(135deg, rgba(84, 0, 203, 0.2), rgba(63, 0, 125, 0.18));
    border-radius: 14px;
    padding: 24px;
    text-align: center;
}

.cta-strip h2 {
    margin: 0 0 14px;
    font-family: "Sora", sans-serif;
}

.footer {
    border-top: 1px solid #2a2352;
    padding: 26px 0 18px;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.footer-tagline {
    color: var(--text-secondary);
}

.footer-contact {
    display: inline-flex;
    gap: 14px;
    flex-wrap: wrap;
}

.contact-link {
    color: var(--text-secondary);
}

.contact-link:hover {
    color: var(--text-primary);
}

.footer-bottom {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 0.86rem;
}

@media (max-width: 900px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .header,
    .main-content,
    .footer-content,
    .footer-bottom {
        width: min(var(--max-width), calc(100% - 28px));
    }

    .logo-full {
        font-size: 1rem;
    }

    .header {
        padding: 14px 0;
    }

    .hero {
        padding-top: 24px;
    }

    .sub-slogan {
        font-size: 1rem;
    }

    .primary-btn.large,
    .ghost-btn {
        width: 100%;
    }

    .hero-actions {
        display: grid;
        width: 100%;
        grid-template-columns: 1fr;
    }
}