/* ============================================================
   Neural Bot — persistent chat widget on faux-website backdrop
   ============================================================ */

.nb-section {
    --nb-cyan: #2BA89E;
    --nb-purple: #B7A4F0;
    --nb-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
    --nb-display: 'Plus Jakarta Sans', -apple-system, system-ui, sans-serif;
    background: #000000;
    color: #FFFFFF;
    padding: 96px 0 112px;
    position: relative;
}

.nb-section__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.nb-section__head { margin-bottom: 2.5rem; }

.nb-section__label {
    font-family: var(--nb-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 1.25rem;
    display: block;
}

.nb-section__headline {
    font-family: var(--nb-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 300;
    color: #FFFFFF;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin: 0 0 1rem 0;
    max-width: 820px;
    position: relative;
    display: inline-block;
}

.nb-section__headline::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--neural-purple, #3c1361), var(--neural-orange, #d97706));
    margin-top: 0.875rem;
}

.nb-section__sub {
    font-family: var(--nb-display);
    font-size: 1rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.7);
    max-width: 720px;
    margin: 1rem 0 0;
}

.nb-shell {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(43, 168, 158, 0.35);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    min-height: 720px;
    box-shadow:
        0 0 0 1px rgba(43, 168, 158, 0.08),
        0 0 24px rgba(43, 168, 158, 0.18),
        0 0 64px rgba(43, 168, 158, 0.12),
        0 24px 64px rgba(0, 0, 0, 0.4);
}

/* ── Faux website background ─────────────────────────── */
.nb-bg {
    position: absolute;
    inset: 0;
    padding: 28px 36px;
    display: flex;
    flex-direction: column;
    gap: 26px;
    opacity: 0.55;
    filter: saturate(0.6);
}

.nb-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    font-family: var(--nb-mono);
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.nb-nav__dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--nb-cyan);
}

.nb-nav__brand {
    font-family: var(--nb-display);
    font-weight: 500;
    text-transform: none;
    letter-spacing: -0.4px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.95);
}

.nb-nav__items {
    display: flex;
    gap: 24px;
    color: rgba(255, 255, 255, 0.45);
}

.nb-nav__spacer { flex: 1; }

.nb-nav__cta {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    padding: 6px 14px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 10px;
    letter-spacing: 1px;
}

.nb-hero { padding-top: 30px; }

.nb-hero__crumb {
    font-family: var(--nb-mono);
    font-size: 10px;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.nb-hero__title {
    font-family: var(--nb-display);
    font-weight: 200;
    font-size: 48px;
    letter-spacing: -1.5px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.05;
    margin: 0;
}

.nb-shop {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 8px;
}

.nb-shop__card {
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.02);
    overflow: hidden;
    aspect-ratio: 4 / 5;
    display: flex;
    flex-direction: column;
}

.nb-shop__art {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.015);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nb-shop__art svg {
    width: 56%; height: 56%;
    stroke: rgba(255, 255, 255, 0.35);
    fill: none;
    stroke-width: 1.1;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.nb-shop__body { padding: 10px 12px; }

.nb-shop__title {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: -0.1px;
}

.nb-shop__price {
    font-family: var(--nb-mono);
    font-size: 10px;
    color: rgba(255, 255, 255, 0.4);
}

/* ── Chat widget ─────────────────────────────────────── */
.nb-widget {
    position: absolute;
    bottom: 28px;
    right: 28px;
    width: 420px;
    background: #0E1118;
    border: 1px solid rgba(43, 168, 158, 0.4);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.nb-widget__head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: linear-gradient(180deg, rgba(43, 168, 158, 0.06), rgba(43, 168, 158, 0));
}

.nb-widget__avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: rgba(43, 168, 158, 0.12);
    border: 1px solid rgba(43, 168, 158, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--nb-mono);
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--nb-cyan);
}

.nb-widget__title {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.nb-widget__name {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: -0.2px;
    color: rgba(255, 255, 255, 0.95);
}

.nb-widget__status {
    font-family: var(--nb-mono);
    font-size: 9px;
    letter-spacing: 1px;
    color: var(--nb-cyan);
    display: flex;
    align-items: center;
    gap: 5px;
}

.nb-widget__status-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--nb-cyan);
    animation: nb-pulse 1.4s ease-in-out infinite;
}

@keyframes nb-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.nb-widget__close {
    color: rgba(255, 255, 255, 0.4);
    font-size: 16px;
}

.nb-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 18px;
    max-height: 560px;
    overflow-y: auto;
}

.nb-body::-webkit-scrollbar { width: 6px; }
.nb-body::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.08); border-radius: 3px; }

.nb-msg {
    display: flex;
    gap: 10px;
}

.nb-msg__avatar {
    width: 26px; height: 26px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--nb-mono);
    font-size: 9px;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.55);
    flex-shrink: 0;
}

.nb-msg__avatar--bot {
    border-color: rgba(43, 168, 158, 0.5);
    background: rgba(43, 168, 158, 0.06);
    color: var(--nb-cyan);
}

.nb-msg__body { flex: 1; min-width: 0; }

.nb-msg__bubble {
    padding: 10px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    font-size: 13px;
    line-height: 1.5;
    letter-spacing: -0.1px;
    color: rgba(255, 255, 255, 0.95);
}

.nb-msg__bubble--bot {
    background: rgba(43, 168, 158, 0.05);
    border: 1px solid rgba(43, 168, 158, 0.2);
}

.nb-cursor {
    display: inline-block;
    width: 2px; height: 12px;
    background: var(--nb-cyan);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: nb-blink 0.6s infinite;
}

@keyframes nb-blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.nb-times {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.nb-time {
    padding: 7px 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 999px;
    font-family: var(--nb-mono);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.3px;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.nb-time--selected {
    border-color: var(--nb-cyan);
    background: var(--nb-cyan);
    color: #000000;
    font-weight: 500;
}

.nb-tools {
    display: flex;
    gap: 5px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.nb-tool {
    font-family: var(--nb-mono);
    font-size: 9px;
    letter-spacing: 0.5px;
    padding: 2px 7px;
    border-radius: 4px;
    background: rgba(110, 86, 207, 0.08);
    border: 1px solid rgba(110, 86, 207, 0.3);
    color: var(--nb-purple);
}

.nb-recs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 10px;
}

.nb-rec {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.015);
    overflow: hidden;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.3s, transform 0.3s;
}

.nb-rec.is-show { opacity: 1; transform: translateY(0); }

.nb-rec__art {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.02);
}

.nb-rec__art svg {
    width: 50%; height: 50%;
    stroke: var(--nb-cyan);
    fill: none;
    stroke-width: 1.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.nb-rec__body { padding: 6px 8px; }

.nb-rec__title {
    font-size: 10px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    letter-spacing: -0.1px;
    line-height: 1.2;
}

.nb-rec__price {
    font-family: var(--nb-mono);
    font-size: 9px;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 2px;
}

.nb-confirm {
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    background: rgba(43, 168, 158, 0.08);
    border: 1px solid rgba(43, 168, 158, 0.35);
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--nb-mono);
    font-size: 11px;
    color: var(--nb-cyan);
    letter-spacing: 0.3px;
}

.nb-confirm__icon {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--nb-cyan);
    color: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
}

.nb-quick {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.nb-quick__btn {
    font-family: var(--nb-display);
    font-size: 11px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(43, 168, 158, 0.3);
    background: rgba(43, 168, 158, 0.04);
    color: var(--nb-cyan);
    letter-spacing: -0.1px;
}

.nb-composer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(0, 0, 0, 0.2);
}

.nb-composer__input {
    flex: 1;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-family: inherit;
}

.nb-composer__send {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--nb-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-size: 14px;
}

.nb-actions-strip {
    position: absolute;
    top: 28px; right: 28px;
    display: flex;
    gap: 6px;
    z-index: 5;
}

.nb-actions-strip__chip {
    font-family: var(--nb-mono);
    font-size: 9px;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(43, 168, 158, 0.4);
    color: var(--nb-cyan);
    text-transform: uppercase;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.nb-actions-strip__chip-dot {
    display: inline-block;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--nb-cyan);
    margin-right: 5px;
    vertical-align: 1px;
}

@media (max-width: 880px) {
    .nb-section { padding: 64px 0 80px; }
    .nb-section__container { padding: 0 1.5rem; }
    .nb-shell { min-height: 0; }
    .nb-bg { position: relative; padding: 16px 18px; gap: 16px; }
    .nb-hero__title { font-size: 28px; letter-spacing: -0.8px; }
    .nb-shop { grid-template-columns: repeat(2, 1fr); }
    .nb-widget { position: relative; right: 0; bottom: 0; width: 100%; margin: 16px 0; }
    .nb-actions-strip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .nb-widget__status-dot,
    .nb-cursor { animation: none; }
}