/* ============================================================
   DOCS / LEARN SECTION
   AquaVaults design system — docs-specific additions only.
   Loads alongside about.css which provides: feature-card,
   feature-grid, coop-callout, about-stats-bar, about-body,
   coop-callout-link, feature-section, body reset.
   ============================================================ */

/* ── Landing page content wrapper ──────────────────────── */

.docs-landing-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 5rem;
}

/* ── Inner-page layout (sidebar + main) ─────────────────── */

.docs-layout {
    display: block;
    min-height: calc(100vh - 120px);
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

/* ── Sidebar ────────────────────────────────────────────── */

.docs-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 280px;
    z-index: 300;
    background: #010A0F;
    border-right: 1px solid rgba(99, 102, 241, 0.2);
    padding: 0 0 2rem 1.25rem;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.2) transparent;
}

.docs-sidebar.open { transform: translateX(0); }

.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.2);
    border-radius: 4px;
}

/* ── Sidebar backdrop ────────────────────────────────── */
.docs-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 299;
}
.docs-sidebar-backdrop.open { display: block; }

/* ── Sidebar close button ────────────────────────────── */
.docs-sidebar-close {
    display: flex;
    justify-content: flex-end;
    padding: 0.75rem 1rem 0.5rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    margin-bottom: 0.5rem;
    margin-left: -1.25rem;
    width: calc(100% + 1.25rem);
}
.docs-sidebar-close button {
    background: none;
    border: none;
    color: #475569;
    font-size: 1rem;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    line-height: 1;
    transition: color 0.15s;
}
.docs-sidebar-close button:hover { color: #94a3b8; }

.docs-sidebar-logo {
    margin-bottom: 1.75rem;
    padding-right: 1rem;
}

.docs-sidebar-logo-text {
    font-size: 0.78rem;
    font-weight: 700;
    color: #475569;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    transition: color 0.15s;
}

.docs-sidebar-logo-text:hover { color: #818cf8; }

.docs-sidebar-section { margin-bottom: 1.5rem; }

.docs-sidebar-section-label {
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #334155;
    margin-bottom: 0.35rem;
    padding-right: 1rem;
}

.docs-sidebar-link {
    display: block;
    padding: 0.32rem 1rem 0.32rem 0;
    font-size: 0.85rem;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
    line-height: 1.4;
    transition: color 0.15s;
}

.docs-sidebar-link:hover { color: #94a3b8; }

.docs-sidebar-link.active {
    color: #818cf8;
    font-weight: 600;
}

/* ── Main content area ──────────────────────────────────── */

.docs-main {
    min-width: 0;
    max-width: 820px;
    margin: 0 auto;
    padding: 2rem 2rem 5rem;
}

.docs-content { max-width: 700px; }

/* ── Breadcrumbs ────────────────────────────────────────── */

.docs-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: #334155;
    margin-bottom: 1.75rem;
}

.docs-breadcrumb-link {
    color: #475569;
    text-decoration: none;
    transition: color 0.15s;
}

.docs-breadcrumb-link:hover { color: #94a3b8; }

.docs-breadcrumb-sep {
    color: #334155;
    font-size: 0.7rem;
}

/* ── Inner-page hero (no shimmer) ───────────────────────── */

.docs-hero {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.18);
}

.docs-hero-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #818cf8;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.28);
    border-radius: 999px;
    padding: 0.22rem 0.7rem;
    margin-bottom: 0.7rem;
}

.docs-hero h1 {
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: #eaeaea;
    margin: 0 0 0.55rem 0;
    line-height: 1.2;
}

.docs-hero-sub {
    font-size: 0.95rem;
    color: #64748b;
    margin: 0;
    line-height: 1.65;
    max-width: 580px;
}

/* ── Docs sections (inner pages) ───────────────────────── */

.docs-section { margin-bottom: 2.5rem; }

.docs-section h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #eaeaea;
    margin: 0 0 0.85rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.18);
    line-height: 1.3;
    position: relative;
}

.docs-section h3 {
    font-size: 0.97rem;
    font-weight: 700;
    color: #cbd5e1;
    margin: 1.5rem 0 0.5rem 0;
    position: relative;
}

.docs-section p {
    color: #94a3b8;
    line-height: 1.8;
    font-size: 0.9rem;
    margin: 0 0 0.85rem 0;
}

/* ── Section anchor links ───────────────────────────────── */

.docs-anchor {
    position: absolute;
    left: -1.2rem;
    color: transparent;
    font-size: 0.85rem;
    font-weight: 400;
    text-decoration: none;
    transition: color 0.15s;
    top: 0.1rem;
}

.docs-section h2:hover .docs-anchor,
.docs-section h3:hover .docs-anchor { color: #334155; }

/* ── Callout blocks ─────────────────────────────────────── */

.docs-callout {
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    line-height: 1.7;
}

.docs-callout-label {
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.docs-callout p {
    margin: 0;
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.7;
}

.docs-callout-info {
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid rgba(99, 102, 241, 0.28);
}
.docs-callout-info .docs-callout-label { color: #818cf8; }

.docs-callout-note {
    background: rgba(148, 163, 184, 0.05);
    border: 1px solid rgba(148, 163, 184, 0.14);
}
.docs-callout-note .docs-callout-label { color: #64748b; }

.docs-callout-warn {
    background: rgba(251, 191, 36, 0.05);
    border: 1px solid rgba(251, 191, 36, 0.22);
}
.docs-callout-warn .docs-callout-label { color: #fbbf24; }

/* ── Numbered steps ─────────────────────────────────────── */

.docs-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.25rem 0;
}

.docs-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.docs-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    min-width: 2rem;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.32);
    font-size: 0.8rem;
    font-weight: 700;
    color: #818cf8;
}

.docs-step-body { flex: 1; padding-top: 0.15rem; }

.docs-step-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: #eaeaea;
    margin: 0 0 0.2rem 0;
}

.docs-step-desc {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* ── TOC (right aside — optional) ───────────────────────── */

.docs-toc-aside {
    position: sticky;
    top: 2rem;
    padding: 2rem 1.25rem 2rem 0;
    align-self: start;
}

.docs-toc-label {
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #334155;
    margin-bottom: 0.6rem;
}

.docs-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.docs-toc-link {
    display: block;
    padding: 0.28rem 0 0.28rem 0.75rem;
    font-size: 0.8rem;
    color: #334155;
    text-decoration: none;
    border-left: 2px solid transparent;
    line-height: 1.4;
    transition: color 0.15s;
}

.docs-toc-link:hover { color: #64748b; }

.docs-toc-link.active {
    color: #818cf8;
    border-left-color: #818cf8;
}

.docs-toc-link-sub {
    padding-left: 1.4rem;
    font-size: 0.75rem;
}

/* ── Pagination ─────────────────────────────────────────── */

.docs-pagination {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(99, 102, 241, 0.18);
}

.docs-pag-link {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-decoration: none;
    max-width: 240px;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(99, 102, 241, 0.18);
    border-radius: 10px;
    transition: border-color 0.2s, background 0.2s;
}

.docs-pag-link:hover {
    border-color: rgba(99, 102, 241, 0.4);
    background: rgba(99, 102, 241, 0.04);
}

.docs-pag-direction {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #334155;
}

.docs-pag-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: #818cf8;
}

.docs-pag-next {
    text-align: right;
    margin-left: auto;
}

/* ── Continue Exploring ─────────────────────────────────── */

.docs-explore {
    background: rgba(99, 102, 241, 0.04);
    border: 1px solid rgba(99, 102, 241, 0.18);
    border-radius: 12px;
    padding: 1.4rem;
    margin-top: 2.5rem;
}

.docs-explore-title {
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #475569;
    margin: 0 0 0.85rem 0;
}

.docs-explore-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.docs-explore-link {
    display: inline-flex;
    align-items: center;
    padding: 0.38rem 0.9rem;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.22);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #818cf8;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.docs-explore-link:hover {
    background: rgba(99, 102, 241, 0.14);
    border-color: rgba(99, 102, 241, 0.42);
    color: #a78bfa;
}

/* ── Landing-page hero (shimmer) ────────────────────────── */

.docs-landing-hero {
    text-align: center;
    padding: 3rem 1rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 2.5rem;
}

.docs-landing-eyebrow {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #818cf8;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.28);
    border-radius: 999px;
    padding: 0.28rem 0.9rem;
}

.docs-landing-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin: 0;
    background: linear-gradient(120deg, #a78bfa 0%, #818cf8 40%, #4f46e5 70%, #6366f1 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: docs-shimmer 4s linear infinite;
}

@keyframes docs-shimmer {
    0%   { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.docs-landing-sub {
    font-size: 1rem;
    color: #64748b;
    margin: 0;
    max-width: 540px;
    line-height: 1.65;
}

.docs-landing-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 0.25rem;
}

.docs-btn-primary {
    display: inline-block;
    padding: 0.72rem 1.5rem;
    background: #6366f1;
    color: #fff;
    font-weight: 700;
    font-size: 0.88rem;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}
.docs-btn-primary:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}

.docs-btn-secondary {
    display: inline-block;
    padding: 0.72rem 1.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: #818cf8;
    font-weight: 700;
    font-size: 0.88rem;
    border-radius: 8px;
    text-decoration: none;
    border: 1px solid rgba(99, 102, 241, 0.3);
    transition: background 0.2s, border-color 0.2s;
}
.docs-btn-secondary:hover {
    background: rgba(99, 102, 241, 0.17);
    border-color: rgba(99, 102, 241, 0.5);
}

/* ── Ecosystem pillar grid ──────────────────────────────── */

.docs-pillar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}

.docs-pillar {
    background: #1e293b;
    border: 1px solid rgba(99, 102, 241, 0.18);
    border-radius: 14px;
    padding: 1.4rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.docs-pillar:hover {
    transform: translateY(-3px);
    border-color: rgba(99, 102, 241, 0.42);
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.1);
}

.docs-pillar-icon {
    font-size: 1.35rem;
    line-height: 1;
}

.docs-pillar-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #eaeaea;
    margin: 0;
}

.docs-pillar-desc {
    font-size: 0.82rem;
    color: #64748b;
    line-height: 1.55;
    margin: 0;
    flex: 1;
}

.docs-pillar-cta {
    font-size: 0.78rem;
    font-weight: 600;
    color: #818cf8;
    margin-top: 0.25rem;
}

/* ── CTA grid (landing bottom) ──────────────────────────── */

.docs-cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}

.docs-cta-card {
    background: rgba(99, 102, 241, 0.04);
    border: 1px solid rgba(99, 102, 241, 0.22);
    border-radius: 14px;
    padding: 1.4rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    transition: background 0.2s, border-color 0.2s;
}

.docs-cta-card:hover {
    background: rgba(99, 102, 241, 0.09);
    border-color: rgba(99, 102, 241, 0.42);
}

.docs-cta-title {
    font-size: 0.97rem;
    font-weight: 700;
    color: #eaeaea;
    margin: 0;
}

.docs-cta-desc {
    font-size: 0.82rem;
    color: #64748b;
    line-height: 1.55;
    margin: 0;
    flex: 1;
}

.docs-cta-action {
    font-size: 0.8rem;
    font-weight: 600;
    color: #818cf8;
    margin-top: 0.2rem;
}

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 900px) {
    /* Landing page browse button — mobile only */
    .docs-landing-browse-btn {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        background: none;
        border: 1px solid rgba(99, 102, 241, 0.22);
        color: #64748b;
        font-size: 0.78rem;
        font-weight: 600;
        letter-spacing: 0.04em;
        padding: 0.4rem 0.8rem;
        border-radius: 0.35rem;
        cursor: pointer;
        margin-top: 0.75rem;
        transition: border-color 0.15s, color 0.15s;
    }
    .docs-landing-browse-btn:hover {
        border-color: rgba(99, 102, 241, 0.45);
        color: #818cf8;
    }

    .docs-main { max-width: 100%; margin: 0; padding: 1.5rem 1.25rem 3rem; }
    .docs-content { max-width: 100%; }
}

@media (min-width: 901px) {
    .docs-sidebar-overlay { display: none !important; }
    .docs-landing-browse-btn { display: none; }
}

@media (max-width: 640px) {
    .docs-landing-hero h1 { font-size: 1.9rem; }
    .docs-landing-sub { font-size: 0.9rem; }
    .docs-pillar-grid { grid-template-columns: 1fr; }
    .docs-cta-grid { grid-template-columns: 1fr; }
    .docs-pagination { flex-direction: column; }
    .docs-pag-next { margin-left: 0; text-align: left; }
    .docs-landing-content { padding: 2rem 1rem 4rem; }
}