/* DataEI — pages.css
 * Page-specific styles
 */

/* ===== Nav ===== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 200;
    height: 70px;
    display: flex;
    align-items: center;
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 1rem;
}
.nav__logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}
.nav__logo-ei { color: var(--accent-yellow); }
.nav__logo-mark {
    height: 36px;
    width: 36px;
    display: block;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}
.nav__logo-text {
    margin-left: 0.75rem;
}
.nav__logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    white-space: nowrap;
}
.nav__links { display: flex; align-items: center; gap: 1.5rem; }
.nav__link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 0.25rem 0;
}
.nav__link::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--accent-yellow);
    transition: width 200ms ease-out;
}
.nav__link:hover { color: var(--text-primary); }
.nav__link:hover::after { width: 100%; }
.nav__link--active { color: var(--accent-yellow); }
.nav__link--active::after { width: 100%; }
.nav__actions { display: flex; align-items: center; gap: 1rem; }
.nav__toggle {
    width: 36px; height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background 200ms;
}
.nav__toggle:hover { background: var(--bg-surface-alt); }
.nav__toggle svg { width: 20px; height: 20px; stroke: var(--text-secondary); }
.nav__hamburger { display: none; }
@media (max-width: 900px) {
    .nav__links { display: none; }
    .nav__hamburger { display: block; }
    .nav__links--open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px; left: 0; right: 0;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border-subtle);
        padding: 1rem;
        gap: 1rem;
    }
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    padding: 1.5rem 0;
    margin-top: auto;
}
.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.footer__brand { font-family: var(--font-display); font-weight: 600; color: var(--text-secondary); font-size: 0.85rem; }
.footer__logo-img { height: 40px; width: 40px; border-radius: var(--radius-sm); opacity: 0.9; margin-bottom: 0.25rem; }
.footer__links { display: flex; gap: 1.5rem; }
.footer__link { color: var(--text-muted); }
.footer__link:hover { color: var(--accent-yellow); }

/* ===== Homepage Hero ===== */
.hero-section { padding: 3rem 0 2rem; }
.hero-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
}
.hero-panel__tagline {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.hero-panel__tagline-glow {
    text-shadow: 0 0 30px var(--accent-yellow-glow);
}
.hero-panel__sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 480px;
}
.hero-panel__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== Live Feed Panel ===== */
.live-feed { max-height: 380px; overflow-y: auto; }
.live-feed::-webkit-scrollbar { width: 4px; }
.live-feed::-webkit-scrollbar-track { background: var(--bg-surface-alt); }
.live-feed::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 2px; }

/* ===== MCP Panel ===== */
.mcp-panel__log {
    background: var(--bg-base);
    border-radius: var(--radius-sm);
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-subtle);
}
.mcp-panel__log::-webkit-scrollbar { width: 4px; }
.mcp-panel__log::-webkit-scrollbar-thumb { background: var(--accent-purple); border-radius: 2px; }
.mcp-panel__status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-purple);
    margin-bottom: 0.75rem;
}
.mcp-panel__tooltip {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-surface-alt);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-purple);
}

/* ===== Stats Row ===== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gutter);
}
@media (max-width: 700px) { .stats-row { grid-template-columns: 1fr; } }

/* ===== Methodology Page ===== */
.methodology-step {
    display: flex;
    gap: 1rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-subtle);
}
.methodology-step__num {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-yellow);
    flex-shrink: 0;
    width: 40px;
}
.methodology-step__body h3 { margin-bottom: 0.5rem; }

/* ===== Benchmarks Page ===== */
.benchmark-card { display: flex; flex-direction: column; gap: 1rem; }
.benchmark-card__meta { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ===== Briefings Page ===== */
.briefing-form { display: flex; flex-direction: column; gap: 1rem; }
.briefing-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .briefing-form__row { grid-template-columns: 1fr; } }
.briefing-form__field { display: flex; flex-direction: column; gap: 0.4rem; }
.briefing-form__label { font-size: 0.85rem; color: var(--text-secondary); font-weight: 500; }

/* ===== Contact Page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }

/* ===== Page Load Animation ===== */
.fade-up { opacity: 0; transform: translateY(20px); }
.fade-up--visible { opacity: 1; transform: translateY(0); transition: opacity 400ms ease-out, transform 400ms ease-out; }