:root {
    --bg: #ffffff;
    --text: #111111;
    --muted: #5f5f5f;
    --line: #e7e7e7;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Manrope", "Segoe UI", sans-serif;
    line-height: 1.45;
}

.topbar {
    height: 72px;
    display: flex;
    align-items: center;
    padding: 0 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    opacity: 0.72;
}

.brand-icon {
    height: 30px;
    object-fit: contain;
    display: block;
}

.brand-name {
    height: 30px;
    object-fit: contain;
    display: block;
}

.shell {
    width: min(1040px, calc(100% - 40px));
    margin: 0 auto;
    min-height: calc(100vh - 72px);
    display: block;
    align-items: center;
    padding: 20px 0 56px;
}

.hero {
    max-width: 760px;
}

h1 {
    margin: 0;
    font-family: "Sora", "Segoe UI", sans-serif;
    font-weight: 700;
    font-size: clamp(32px, 5vw, 60px);
    line-height: 1.03;
    letter-spacing: -0.02em;
}

.guidance {
    margin: 14px 0 0;
    max-width: 42ch;
    font-size: clamp(16px, 1.8vw, 20px);
    color: #3f3f3f;
}

.chat-link {
    margin-top: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 22px;
    border-radius: 8px;
    text-decoration: none;
    border: 1px solid #25d366;
    background: #25d366;
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
}

.chat-link:hover {
    background: #1faa52;
    border-color: #1faa52;
}

.trust {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid #ededed;
    max-width: 46ch;
}

.trust h2 {
    margin: 0;
    font-family: "Sora", "Segoe UI", sans-serif;
    font-size: 18px;
}

.trust p {
    margin: 10px 0 0;
    color: #3f3f3f;
    font-size: 15px;
}

.footer {
    border-top: 1px solid #f0f0f0;
    padding: 14px 20px 18px;
}

.disclaimer {
    margin: 0 auto 10px;
    max-width: 920px;
    text-align: center;
    color: #666666;
    font-size: 12px;
    line-height: 1.5;
}

.footer p {
    margin: 0;
    text-align: center;
    color: #7a7a7a;
    font-size: 12px;
}

@media (max-width: 860px) {
    .shell {
        padding-top: 8px;
    }
}

@media (max-width: 640px) {
    .shell {
        width: min(1040px, calc(100% - 24px));
    }

    h1 {
        font-size: clamp(30px, 10vw, 44px);
    }

    .chat-link {
        width: 100%;
    }
}