/* =========================================================
   AI Solutions — Section 1 Hero
   Scoped under .nx-ai-hero / .nx-ai-page
   Does not modify homepage or other service pages.
   ========================================================= */

.nx-ai-page {
    --nx-bg: #07080A;
    --nx-surface: #0D0F12;
    --nx-surface-2: #12151A;
    --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);
    background: var(--nx-bg);
}

body.nx-ai-page,
body.nx-ai-page.service-page {
    background: var(--nx-bg);
    color: var(--nx-text);
}

/* Dark nav only on this page — structure unchanged */
.nx-ai-page .service-nav {
    background: rgba(7, 8, 10, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
}

.nx-ai-page .service-nav.scrolled {
    background: rgba(13, 15, 18, 0.88);
    border-bottom-color: var(--nx-border);
}

.nx-ai-page .service-nav .logo-link {
    color: var(--nx-text);
}

.nx-ai-page .service-nav .back-link {
    color: var(--nx-text-muted);
}

.nx-ai-page .service-nav .back-link:hover {
    color: var(--nx-text);
}

/* ---------- Hero ---------- */
.nx-ai-hero {
    position: relative;
    isolation: isolate;
    background: var(--nx-bg);
    color: var(--nx-text);
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: clamp(6.5rem, 12vh, 8.5rem) 0 clamp(3.5rem, 8vh, 5.5rem);
    overflow: hidden;
}

.nx-ai-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 55% 45% at 85% 35%, rgba(79, 124, 255, 0.09), transparent 70%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.015) 0%, transparent 40%);
}

.nx-ai-hero__grid {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.22;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
}

.nx-ai-hero__inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--nx-content);
    margin: 0 auto;
    padding-left: var(--nx-pad);
    padding-right: var(--nx-pad);
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: center;
}

/* ---------- Copy ---------- */
.nx-ai-hero__copy {
    max-width: 36rem;
}

.nx-ai-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    margin: 0 0 1.35rem;
    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-hero__eyebrow-accent {
    color: var(--nx-accent);
}

.nx-ai-hero__title {
    margin: 0 0 1.35rem;
    font-family: var(--font-display, 'Syne', sans-serif);
    font-weight: 700;
    font-size: clamp(2.75rem, 6.2vw, 5.75rem);
    line-height: 0.98;
    letter-spacing: -0.035em;
    color: var(--nx-text);
    max-width: 11ch;
}

.nx-ai-page .nx-ai-hero h1.nx-ai-hero__title {
    color: var(--nx-text);
}

.nx-ai-page .nx-ai-hero .nx-ai-hero__stage-title {
    color: var(--nx-text);
}

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

.nx-ai-hero__lede {
    margin: 0 0 2rem;
    max-width: 34rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: clamp(1rem, 1.35vw, 1.125rem);
    font-weight: 400;
    line-height: 1.65;
    color: var(--nx-text-muted);
}

.nx-ai-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem 1.75rem;
    margin-bottom: 2.25rem;
}

.nx-ai-hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.95rem 1.45rem;
    border-radius: 999px;
    background: var(--nx-accent);
    color: #fff;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: -0.01em;
    transition:
        background-color 0.25s ease,
        transform 0.25s ease,
        box-shadow 0.25s ease;
    box-shadow: 0 10px 30px rgba(79, 124, 255, 0.22);
}

.nx-ai-hero__cta span[aria-hidden="true"] {
    display: inline-block;
    transition: transform 0.25s ease;
}

.nx-ai-hero__cta:hover {
    background: var(--nx-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 14px 36px rgba(79, 124, 255, 0.28);
}

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

.nx-ai-hero__cta:focus-visible {
    outline: 2px solid var(--nx-accent-hover);
    outline-offset: 3px;
}

.nx-ai-hero__secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.95rem;
    font-weight: 500;
    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-hero__secondary:hover {
    color: var(--nx-text);
    border-bottom-color: rgba(245, 247, 250, 0.35);
}

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

.nx-ai-hero__trust {
    margin: 0;
    max-width: 28rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.875rem;
    line-height: 1.55;
    color: rgba(146, 153, 165, 0.9);
    border-top: 1px solid var(--nx-border);
    padding-top: 1.25rem;
}

/* ---------- System visual ---------- */
.nx-ai-hero__visual {
    position: relative;
    min-width: 0;
}

.nx-ai-hero__panel {
    position: relative;
    background: linear-gradient(165deg, rgba(18, 21, 26, 0.95), rgba(13, 15, 18, 0.98));
    border: 1px solid var(--nx-border);
    border-radius: 18px;
    padding: clamp(1.1rem, 2vw, 1.45rem);
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    overflow: hidden;
}

.nx-ai-hero__panel::before {
    content: "";
    position: absolute;
    top: -40%;
    right: -20%;
    width: 55%;
    height: 70%;
    background: radial-gradient(circle, rgba(79, 124, 255, 0.14), transparent 70%);
    pointer-events: none;
}

.nx-ai-hero__panel-head {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.15rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--nx-border);
}

.nx-ai-hero__panel-label {
    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);
}

.nx-ai-hero__status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #8fb0ff;
}

.nx-ai-hero__status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--nx-accent);
    box-shadow: 0 0 0 0 rgba(79, 124, 255, 0.55);
    animation: nx-ai-pulse 2.8s ease-out infinite;
}

.nx-ai-hero__flow {
    position: relative;
    display: grid;
    gap: 0.7rem;
}

.nx-ai-hero__stage {
    position: relative;
    background: rgba(7, 8, 10, 0.55);
    border: 1px solid var(--nx-border);
    border-radius: 12px;
    padding: 0.85rem 0.95rem;
}

.nx-ai-hero__stage--process {
    border-color: rgba(79, 124, 255, 0.28);
    background: rgba(79, 124, 255, 0.06);
}

.nx-ai-hero__stage-kicker {
    display: block;
    margin-bottom: 0.35rem;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--nx-accent);
}

.nx-ai-hero__stage-title {
    margin: 0 0 0.55rem;
    font-family: var(--font-display, 'Syne', sans-serif);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--nx-text);
}

.nx-ai-hero__message {
    margin: 0;
    padding: 0.65rem 0.75rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.86rem;
    line-height: 1.45;
    color: var(--nx-text-muted);
    font-style: italic;
}

.nx-ai-hero__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nx-ai-hero__chips li {
    padding: 0.28rem 0.55rem;
    border-radius: 999px;
    border: 1px solid var(--nx-border);
    background: rgba(255, 255, 255, 0.02);
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--nx-text-muted);
}

.nx-ai-hero__actions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
}

.nx-ai-hero__action-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.55rem;
    border-radius: 8px;
    border: 1px solid var(--nx-border);
    background: rgba(255, 255, 255, 0.02);
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.72rem;
    color: var(--nx-text-muted);
}

.nx-ai-hero__action-item i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--nx-accent);
    flex-shrink: 0;
    opacity: 0.85;
}

.nx-ai-hero__connector {
    display: flex;
    justify-content: center;
    height: 1.1rem;
    position: relative;
}

.nx-ai-hero__connector::before {
    content: "";
    width: 1px;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(79, 124, 255, 0.15),
        rgba(79, 124, 255, 0.7),
        rgba(79, 124, 255, 0.15)
    );
}

.nx-ai-hero__connector::after {
    content: "";
    position: absolute;
    top: 0;
    width: 1px;
    height: 35%;
    background: rgba(143, 176, 255, 0.95);
    box-shadow: 0 0 8px rgba(79, 124, 255, 0.8);
    animation: nx-ai-flow 2.4s ease-in-out infinite;
}

.nx-ai-hero__svg-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.35;
}

.nx-ai-hero__float {
    animation: nx-ai-float 7s ease-in-out infinite;
}

@keyframes nx-ai-pulse {
    0% { box-shadow: 0 0 0 0 rgba(79, 124, 255, 0.55); }
    70% { box-shadow: 0 0 0 8px rgba(79, 124, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(79, 124, 255, 0); }
}

@keyframes nx-ai-flow {
    0% { top: 0; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 65%; opacity: 0; }
}

@keyframes nx-ai-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@media (prefers-reduced-motion: reduce) {
    .nx-ai-hero__status-dot,
    .nx-ai-hero__connector::after,
    .nx-ai-hero__float {
        animation: none;
    }

    .nx-ai-hero__cta,
    .nx-ai-hero__cta span[aria-hidden="true"] {
        transition: none;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .nx-ai-hero__title {
        font-size: clamp(2.6rem, 5.5vw, 4.2rem);
        max-width: 12ch;
    }

    .nx-ai-hero__inner {
        gap: 2.25rem;
    }
}

@media (max-width: 900px) {
    .nx-ai-hero {
        min-height: 0;
        align-items: stretch;
        padding-top: clamp(5.75rem, 11vh, 7rem);
        padding-bottom: 3.25rem;
    }

    .nx-ai-hero__inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .nx-ai-hero__copy {
        max-width: none;
    }

    .nx-ai-hero__title {
        max-width: 14ch;
        font-size: clamp(2.55rem, 9.5vw, 3.6rem);
    }

    .nx-ai-hero__visual {
        max-width: 520px;
    }

    .nx-ai-hero__float {
        animation: none;
    }
}

@media (max-width: 480px) {
    .nx-ai-hero__actions {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .nx-ai-hero__cta {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

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

    .nx-ai-hero__title {
        max-width: none;
    }
}

body.has-nx-banner .nx-web-hero,
body.has-nx-banner .nx-ai-hero,
body.has-nx-banner .nx-seo-hero,
body.has-nx-banner .nx-app-hero { padding-top: calc(6.5rem + var(--nx-banner-h, 0px)); }