/* Click2Login — auth/security. Icy cyan accent on near-black, Inter, security-conscious clean.
   Personas 1, 9, 10 (engineers consuming auth). */
/* Design review: Luca Tagaki-Westbrook. Brief: dot-grid background texture, scope the cyan glow,
   monospace tabular step numbers, security-badge strip, refactor !important. */

:root[data-site="click2login"] {
    --cl-bg: #060912;
    --cl-surface: #0c1322;
    --cl-fg: #e6f1ff;
    --cl-muted: #94a3b8;
    --cl-accent: #06b6d4;
    --cl-accent-2: #38bdf8;
    --cl-rule: #1e2a44;
    --cl-rule-strong: #2a3b62;
    --cl-sans: "Inter", -apple-system, system-ui, sans-serif;
    --cl-mono: ui-monospace, "JetBrains Mono", monospace;
}
html[data-site="click2login"], body { background: var(--cl-bg); color: var(--cl-fg); }
body {
    font-family: var(--cl-sans); margin: 0; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    /* Luca: dot grid. The eye reads "tool surface" instantly. */
    background-image:
        radial-gradient(circle, rgba(148,163,184,.08) 1px, transparent 1px);
    background-size: 28px 28px;
    background-position: 0 0;
}

.cl-container { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

.cl-header { background: rgba(6,9,18,.85); backdrop-filter: blur(8px); padding: 1rem 0; border-bottom: 1px solid var(--cl-rule); position: sticky; top: 0; z-index: 10; }
.cl-header .cl-container { display: flex; justify-content: space-between; align-items: center; }
.cl-brand {
    display: inline-flex; align-items: center; gap: .6rem;
    color: var(--cl-fg); text-decoration: none; font-weight: 600;
}
.cl-brand-mark {
    width: 28px; height: 28px;
    /* Token-style chip: faint border + radius around the icon. */
    padding: 4px;
    background: var(--cl-surface);
    border: 1px solid var(--cl-rule-strong);
    border-radius: 6px;
    color: var(--cl-accent);
    box-sizing: border-box;
}
.cl-nav { display: flex; align-items: center; gap: .25rem; }
.cl-nav a {
    color: var(--cl-muted); text-decoration: none; margin-left: 1.25rem;
    font-weight: 500; font-size: .92rem;
    transition: color .12s ease;
}
.cl-nav a:hover { color: var(--cl-fg); }
.cl-nav a:focus-visible { outline: 2px solid var(--cl-accent); outline-offset: 4px; border-radius: 4px; }

/* Luca: refactor !important. */
.cl-nav a.cl-cta {
    background: var(--cl-accent); color: var(--cl-bg);
    padding: .5rem 1.1rem; border-radius: 6px; font-weight: 600;
}
.cl-nav a.cl-cta:hover { background: var(--cl-accent-2); color: var(--cl-bg); }

.cl-main { padding: 0; }
.cl-hero { padding: 5rem 0 3rem; }
.cl-eyebrow {
    color: var(--cl-accent); font-family: var(--cl-mono);
    font-size: .8rem; letter-spacing: .14em;
    margin: 0 0 .75rem; text-transform: uppercase;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1.08; margin: 0 0 1rem; letter-spacing: -.02em; }
/* Luca: scope the cyan glow to h1 .cl-accent. At small sizes it bloats. */
h1 .cl-accent { color: var(--cl-accent); text-shadow: 0 0 24px rgba(6,182,212,.45); }
.cl-accent { color: var(--cl-accent); }

.cl-lede { color: var(--cl-muted); max-width: 60ch; font-size: 1.1rem; }

/* Luca: security strip. Trust signal in mono, faint, never shouty. */
.cl-trust {
    margin-top: 1.25rem;
    display: inline-flex; gap: .5rem; flex-wrap: wrap;
    color: var(--cl-muted);
    font-family: var(--cl-mono); font-size: .75rem;
    letter-spacing: .14em; text-transform: uppercase;
    opacity: .7;
}
.cl-trust span { padding: .15rem 0; }
.cl-trust span + span::before {
    content: "·"; margin-right: .5rem; color: var(--cl-rule-strong);
}

.cl-actions { display: flex; gap: .75rem; margin-top: 1.5rem; flex-wrap: wrap; }
.cl-btn {
    display: inline-block; padding: .8rem 1.5rem;
    border-radius: 6px; text-decoration: none; font-weight: 600;
    border: 1px solid transparent;
    transition: background-color .12s ease, color .12s ease, border-color .12s ease, box-shadow .15s ease;
}
.cl-btn-primary {
    background: var(--cl-accent); color: var(--cl-bg); border-color: var(--cl-accent);
    box-shadow: 0 1px 2px rgba(6,9,18,.4), 0 8px 20px rgba(6,182,212,.25);
}
.cl-btn-primary:hover {
    background: var(--cl-accent-2); border-color: var(--cl-accent-2);
    box-shadow: 0 1px 2px rgba(6,9,18,.4), 0 12px 28px rgba(56,189,248,.35);
}
.cl-btn-ghost { color: var(--cl-fg); border-color: var(--cl-rule-strong); }
.cl-btn-ghost:hover { border-color: var(--cl-accent); color: var(--cl-accent); }
.cl-btn:focus-visible { outline: 2px solid var(--cl-accent); outline-offset: 3px; }

/* Steps — Luca: tabular monospace numbers so 01-09 line up cleanly. */
.cl-flow { padding: 3rem 0 5rem; background: var(--cl-surface); border-top: 1px solid var(--cl-rule); border-bottom: 1px solid var(--cl-rule); }
.cl-steps {
    list-style: none; padding: 0; margin: 0;
    display: grid; gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    counter-reset: cl-step;
}
.cl-steps li {
    display: flex; gap: 1rem; align-items: flex-start;
    padding: 1.25rem;
    background: var(--cl-bg); border: 1px solid var(--cl-rule); border-radius: 8px;
    transition: border-color .15s ease, transform .15s ease;
    counter-increment: cl-step;
}
.cl-steps li:hover { border-color: var(--cl-accent); transform: translateY(-2px); }
.cl-step-num {
    font-family: var(--cl-mono); color: var(--cl-accent);
    font-size: 1.2rem; font-weight: 700;
    font-variant-numeric: tabular-nums;
    /* Fixed width so the number column aligns even with double-digit steps. */
    min-width: 2.5ch; text-align: right;
}
.cl-steps h3 { margin: 0 0 .35rem; font-size: 1.1rem; letter-spacing: -.005em; }
.cl-steps p { margin: 0; color: var(--cl-muted); }

::selection { background: rgba(6,182,212,.3); color: var(--cl-fg); }

.cl-footer { padding: 2rem 0 3rem; color: var(--cl-muted); font-size: .9rem; border-top: 1px solid var(--cl-rule); margin-top: 2rem; }
.cl-footer-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 1rem; }
.cl-footer a { color: var(--cl-muted); text-decoration: none; }
.cl-footer a:hover { color: var(--cl-accent); }

.skip-to-content {
    position: absolute; left: -9999px;
    background: var(--cl-accent); color: var(--cl-bg);
    padding: .55rem 1.1rem; border-radius: 6px;
    font-weight: 600; z-index: 1000;
}
.skip-to-content:focus { left: 1rem; top: 1rem; }

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}