/* Patch Bay · Collision Signal — electric cyan × hot magenta × acid chartreuse */
@import url("https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Rubik:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap");

:root {
    /* Surfaces — cool mist (clash canvas) */
    --rl-paper: #eef0ff;
    --rl-paper-2: #e0e4ff;
    --rl-paper-3: #d0d6ff;
    --rl-surface: #ffffff;
    --rl-ink: #0f1035;
    --rl-ink-soft: #2a2d5c;
    --rl-ink-muted: #4d5080;

    /* Clash A — signal cyan (legacy token: --rl-lime) */
    --rl-lime: #00c8ff;
    --rl-lime-deep: #0099cc;
    --rl-lime-soft: #ccf4ff;

    /* Clash B — hot magenta (legacy token: --rl-rust) */
    --rl-rust: #ff2d6f;
    --rl-rust-deep: #d91655;
    --rl-rust-soft: #ffe0ec;

    /* Clash C — acid chartreuse */
    --rl-acid: #d4ff00;
    --rl-acid-deep: #b8e600;
    --rl-acid-soft: #f2ffc8;

    --rl-line: rgba(15, 16, 53, 0.12);
    --rl-line-strong: rgba(15, 16, 53, 0.26);
    --rl-focus: #ff2d6f;
    --rl-void: #08051a;
    --rl-on-lime: #0f1035;
    --rl-on-rust: #ffffff;
    --rl-on-acid: #0f1035;
    --rl-on-dark: #eef0ff;
    --rl-header-bg: #ffffff;
    --rl-overlay: rgba(8, 5, 26, 0.52);
    --rl-scrim: rgba(8, 5, 26, 0.84);

    --rl-font-display: "Libre Baskerville", Georgia, serif;
    --rl-font-body: "Rubik", system-ui, sans-serif;
    --rl-font-mono: "Space Mono", ui-monospace, monospace;

    --rl-space-2xs: 0.35rem;
    --rl-space-xs: 0.65rem;
    --rl-space-sm: 0.75rem;
    --rl-space-md: 1.15rem;
    --rl-space-lg: 1.75rem;
    --rl-space-xl: 2.25rem;
    --rl-space-2xl: 3rem;

    --rl-radius-sm: 6px;
    --rl-radius-md: 12px;
    --rl-radius-lg: 20px;
    --rl-radius-xl: 28px;
    --rl-radius-pill: 999px;

    --rl-max: 1180px;
    --rl-header-h: 60px;

    --rl-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --rl-ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
    --rl-dur-fast: 160ms;
    --rl-dur: 240ms;
    --rl-dur-slow: 420ms;

    --rl-shadow-sm: 0 2px 10px rgba(15, 16, 53, 0.1);
    --rl-shadow-md: 0 10px 28px rgba(15, 16, 53, 0.14);
    --rl-shadow-patch: 4px 4px 0 var(--rl-rust);
    --rl-shadow-patch-alt: 4px 4px 0 var(--rl-lime);
}

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

html {
    scroll-behavior: auto;
}

body {
    margin: 0;
    font-family: var(--rl-font-body);
    font-size: 1rem;
    line-height: 1.55;
    color: var(--rl-ink);
    background: var(--rl-paper);
    background-image:
        linear-gradient(135deg, rgba(0, 200, 255, 0.07) 0%, transparent 42%),
        linear-gradient(315deg, rgba(255, 45, 111, 0.06) 0%, transparent 42%),
        repeating-linear-gradient(
            -12deg,
            transparent,
            transparent 28px,
            rgba(212, 255, 0, 0.035) 28px,
            rgba(212, 255, 0, 0.035) 29px
        ),
        linear-gradient(var(--rl-paper), var(--rl-paper-2));
    min-height: 100vh;
}

body.rl-menu-open {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--rl-rust);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.15em;
}

a:hover {
    color: var(--rl-rust-deep);
}

h1, h2, h3, h4 {
    font-family: var(--rl-font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 var(--rl-space-sm);
}

p {
    margin: 0 0 var(--rl-space-sm);
}

ul, ol {
    margin: 0 0 var(--rl-space-sm);
    padding-left: 1.25rem;
}

button {
    font-family: inherit;
    cursor: pointer;
}

.rl-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 9999;
    padding: 0.75rem 1rem;
    background: var(--rl-acid);
    color: var(--rl-on-acid);
    font-weight: 600;
}

.rl-skip:focus {
    left: 0.75rem;
    top: 0.75rem;
}

.rl-shell {
    width: min(100% - 2rem, var(--rl-max));
    margin-inline: auto;
}

.rl-label {
    font-family: var(--rl-font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--rl-ink-muted);
}

.rl-display {
    font-family: var(--rl-font-display);
    font-size: clamp(1.25rem, 3vw, 1.65rem);
    line-height: 1.12;
}

.rl-note {
    font-size: 0.875rem;
    color: var(--rl-ink-muted);
    line-height: 1.55;
}

.rl-note--sm {
    font-size: 0.8125rem;
}

.rl-note a {
    color: inherit;
    font-weight: 600;
}

.rl-loading {
    padding: var(--rl-space-md);
    text-align: center;
    color: var(--rl-ink-muted);
    font-family: var(--rl-font-mono);
    font-size: 0.8125rem;
}

.rl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.6rem 1.25rem;
    font-family: var(--rl-font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--rl-radius-pill);
    transition: background var(--rl-dur-fast) var(--rl-ease-out),
        color var(--rl-dur-fast) var(--rl-ease-out),
        border-color var(--rl-dur-fast) var(--rl-ease-out);
}

.rl-btn--primary {
    background: var(--rl-acid);
    color: var(--rl-on-acid);
    border-color: var(--rl-ink);
    box-shadow: var(--rl-shadow-patch);
}

.rl-btn--primary:hover {
    background: var(--rl-acid-deep);
    color: var(--rl-on-acid);
}

.rl-btn--rust {
    background: var(--rl-rust);
    color: var(--rl-on-rust);
    border-color: var(--rl-ink);
}

.rl-btn--rust:hover {
    background: var(--rl-rust-deep);
    color: var(--rl-on-rust);
}

.rl-btn--ghost {
    background: transparent;
    color: var(--rl-ink);
    border-color: var(--rl-line-strong);
}

.rl-btn--ghost:hover {
    background: var(--rl-rust-soft);
    color: var(--rl-ink);
    border-color: var(--rl-rust);
}

.rl-btn--block {
    width: 100%;
}

:focus-visible {
    outline: 2px solid var(--rl-focus);
    outline-offset: 3px;
}