/* =========================================================
   AI Solutions — Section 5: Why Nexora
   Scoped under .nx-ai-why
   Does not modify Sections 1–4 or homepage.
   ========================================================= */

.nx-ai-why {
    --nx-bg: #07080A;
    --nx-surface: #0D0F12;
    --nx-text: #F5F7FA;
    --nx-text-muted: #9299A5;
    --nx-border: rgba(255, 255, 255, 0.08);
    --nx-accent: #4F7CFF;
    --nx-accent-hover: #6B8FFF;
    --nx-content: 1320px;
    --nx-pad: clamp(1.25rem, 4vw, 4rem);

    position: relative;
    background: var(--nx-bg);
    color: var(--nx-text);
    padding: clamp(5.5rem, 14vh, 10rem) 0;
    border-top: 1px solid var(--nx-border);
    overflow: hidden;
}

.nx-ai-why__inner {
    width: 100%;
    max-width: var(--nx-content);
    margin: 0 auto;
    padding-left: var(--nx-pad);
    padding-right: var(--nx-pad);
}

.nx-ai-why__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(1.75rem, 4vw, 3.25rem);
    align-items: start;
}

/* ---------- Left column ---------- */
.nx-ai-why__intro {
    max-width: 46rem;
    margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.nx-ai-why__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    margin: 0 0 1.25rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--nx-text-muted);
}

.nx-ai-why__eyebrow-accent {
    color: var(--nx-accent);
}

.nx-ai-page .nx-ai-why h2.nx-ai-why__title {
    margin: 0 0 1.25rem;
    font-family: var(--font-display, 'Syne', sans-serif);
    font-weight: 700;
    font-size: clamp(2.35rem, 5vw, 5.25rem);
    line-height: 1.02;
    letter-spacing: -0.035em;
    color: var(--nx-text);
    max-width: 11ch;
}

.nx-ai-why__title span {
    display: block;
}

.nx-ai-why__lede {
    margin: 0 0 2rem;
    max-width: 30rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: clamp(1rem, 1.25vw, 1.1rem);
    line-height: 1.65;
    color: var(--nx-text-muted);
}

.nx-ai-why__stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.55rem;
    margin: 0 0 2rem;
    padding: 0;
    list-style: none;
}

.nx-ai-why__stack li {
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--nx-border);
    border-radius: 999px;
    background: rgba(13, 15, 18, 0.7);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(146, 153, 165, 0.9);
}

.nx-ai-why__stack li.is-label {
    border-color: rgba(79, 124, 255, 0.3);
    color: #b7c7ff;
}

.nx-ai-why__positioning {
    margin: 0;
    max-width: 28rem;
    padding-top: 1.35rem;
    border-top: 1px solid var(--nx-border);
    font-family: var(--font-display, 'Syne', sans-serif);
    font-size: clamp(1.15rem, 1.8vw, 1.4rem);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.025em;
    color: var(--nx-text);
}

.nx-ai-why__shot {
    position: relative;
    margin: 0;
}

@media (min-width: 981px) {
    .nx-ai-why__shot {
        position: sticky;
        top: calc(var(--nx-nav-h-scrolled, 64px) + var(--nx-banner-h, 0px) + 1.25rem);
    }
}

.nx-ai-why__shot img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1280 / 853;
    object-fit: cover;
    object-position: center 38%;
    border-radius: clamp(1.1rem, 2.4vw, 1.75rem);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.06) inset,
        0 28px 80px rgba(0, 0, 0, 0.48);
}

.nx-ai-why__shot figcaption {
    margin: 0.9rem 0 0;
    max-width: 36rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--nx-text-muted);
}

/* ---------- Principles ---------- */
.nx-ai-why__principles {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--nx-border);
}

.nx-ai-why__principle {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem 1.25rem;
    align-items: start;
    padding: clamp(1.35rem, 2.5vw, 1.85rem) 0;
    border-bottom: 1px solid var(--nx-border);
    transition: background-color 0.3s ease;
}

.nx-ai-why__num {
    font-family: var(--font-display, 'Syne', sans-serif);
    font-size: clamp(1.5rem, 2vw, 1.9rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
    color: rgba(245, 247, 250, 0.2);
    transition: color 0.3s ease, transform 0.3s ease;
}

.nx-ai-why__body {
    min-width: 0;
}

.nx-ai-why__label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--nx-text-muted);
    transition: color 0.3s ease;
}

.nx-ai-page .nx-ai-why h3.nx-ai-why__headline {
    margin: 0 0 0.55rem;
    font-family: var(--font-display, 'Syne', sans-serif);
    font-size: clamp(1.15rem, 1.6vw, 1.35rem);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--nx-text);
    transition: transform 0.3s ease;
}

.nx-ai-why__desc {
    margin: 0;
    max-width: 38rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--nx-text-muted);
}

.nx-ai-why__arrow {
    opacity: 0;
    transform: translate(-4px, 4px);
    color: var(--nx-accent);
    font-size: 1rem;
    transition: opacity 0.3s ease, transform 0.3s ease;
    margin-top: 0.2rem;
}

@media (hover: hover) and (pointer: fine) {
    .nx-ai-why__principle:hover .nx-ai-why__num {
        color: var(--nx-accent);
        transform: translateX(2px);
    }

    .nx-ai-why__principle:hover .nx-ai-why__label {
        color: #b7c7ff;
    }

    .nx-ai-why__principle:hover .nx-ai-why__headline {
        transform: translateX(3px);
    }

    .nx-ai-why__principle:hover .nx-ai-why__arrow {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* ---------- Trust / security ---------- */
.nx-ai-why__trust {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1rem 1.5rem;
    margin-top: clamp(2rem, 4vw, 2.75rem);
}

.nx-ai-why__trust-card {
    padding: 1.15rem 1.2rem;
    border: 1px solid var(--nx-border);
    border-radius: 12px;
    background: rgba(13, 15, 18, 0.65);
}

.nx-ai-why__trust-label {
    display: block;
    margin-bottom: 0.55rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--nx-accent);
}

.nx-ai-why__trust-copy {
    margin: 0;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--nx-text-muted);
}

/* ---------- CTA ---------- */
.nx-ai-why__cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 1.75rem;
    margin-top: clamp(2.5rem, 5vw, 3.5rem);
    padding-top: clamp(1.5rem, 3vw, 2rem);
    border-top: 1px solid var(--nx-border);
}

.nx-ai-why__cta-copy {
    margin: 0;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: clamp(1rem, 1.35vw, 1.15rem);
    color: var(--nx-text-muted);
}

.nx-ai-why__cta-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.35rem;
}

.nx-ai-why__cta-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--nx-text);
    text-decoration: none;
    border-bottom: 1px solid rgba(245, 247, 250, 0.25);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.nx-ai-why__cta-link:hover {
    color: #fff;
    border-bottom-color: rgba(245, 247, 250, 0.55);
}

.nx-ai-why__cta-link:focus-visible,
.nx-ai-why__work-link:focus-visible {
    outline: 2px solid var(--nx-accent);
    outline-offset: 3px;
}

.nx-ai-why__cta-link span[aria-hidden="true"] {
    transition: transform 0.2s ease;
}

.nx-ai-why__cta-link:hover span[aria-hidden="true"] {
    transform: translateX(3px);
}

.nx-ai-why__work-link {
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.88rem;
    color: var(--nx-text-muted);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.nx-ai-why__work-link:hover {
    color: var(--nx-text);
    border-bottom-color: rgba(245, 247, 250, 0.3);
}

/* ---------- Reveal ---------- */
.nx-ai-why .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}

.nx-ai-why .reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .nx-ai-why .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .nx-ai-why__principle,
    .nx-ai-why__num,
    .nx-ai-why__label,
    .nx-ai-why__headline,
    .nx-ai-why__arrow,
    .nx-ai-why__cta-link span[aria-hidden="true"] {
        transition: none;
    }

    .nx-ai-why__principle:hover .nx-ai-why__headline,
    .nx-ai-why__principle:hover .nx-ai-why__num {
        transform: none;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .nx-ai-why__layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .nx-ai-why__intro {
        position: static;
        max-width: none;
    }

    .nx-ai-page .nx-ai-why h2.nx-ai-why__title {
        max-width: 12ch;
    }
}

@media (max-width: 640px) {
    .nx-ai-why__principle {
        grid-template-columns: auto 1fr;
    }

    .nx-ai-why__arrow {
        display: none;
    }

    .nx-ai-why__trust {
        grid-template-columns: 1fr;
    }

    .nx-ai-why__cta {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .nx-ai-page .nx-ai-why h2.nx-ai-why__title {
        max-width: none;
    }
}