:root {
    --canvas: #000000;
    --surface-soft: #0d0d0d;
    --surface-card: #1a1a1a;
    --surface-elevated: #262626;
    --hairline: #3c3c3c;
    --body: #bbbbbb;
    --body-strong: #e6e6e6;
    --muted: #7e7e7e;
    --stripe-blue-light: #0066b1;
    --stripe-blue-dark: #1c69d4;
    --stripe-red: #e22718;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--canvas);
    color: var(--body);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 300;
}

.display-font {
    font-weight: 700;
    letter-spacing: -0.01em;
}

.uppercase-label {
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-weight: 700;
}

.m-stripe {
    height: 4px;
    width: 100%;
    background: linear-gradient(90deg, var(--stripe-blue-light) 0%, var(--stripe-blue-dark) 50%, var(--stripe-red) 100%);
}

.hairline {
    border-color: var(--hairline);
}

.card-flat {
    background-color: var(--surface-card);
    border-radius: 0;
}

.btn-outline {
    border: 1px solid #ffffff;
    color: #ffffff;
    background: transparent;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 14px 28px;
    display: inline-block;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-outline:hover {
    background-color: #ffffff;
    color: #000000;
}

.btn-filled {
    border: 1px solid #ffffff;
    color: #000000;
    background: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 14px 28px;
    display: inline-block;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-filled:hover {
    background-color: transparent;
    color: #ffffff;
}

.text-link-arrow::after {
    content: " \2192";
}

input, textarea {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    color: #ffffff;
    padding: 12px 16px;
    width: 100%;
    font-family: inherit;
    font-weight: 300;
}

input:focus, textarea:focus {
    outline: none;
    border-color: #ffffff;
}

details > summary {
    cursor: pointer;
    list-style: none;
}

details > summary::-webkit-details-marker {
    display: none;
}

details[open] summary .faq-icon {
    transform: rotate(45deg);
}

.faq-icon {
    transition: transform 0.2s ease;
    display: inline-block;
}

#cookie-banner {
    position: fixed;
    bottom: 24px;
    right: 24px;
    max-width: 360px;
    z-index: 100;
}

@media (max-width: 768px) {
    #cookie-banner {
        left: 16px;
        right: 16px;
        bottom: 16px;
        max-width: none;
    }
}

.toc-link.active {
    color: #ffffff;
}