/* =====================================================================
   NovenoBIT — design system
   Hand-authored mobile-first CSS. No Tailwind runtime, no build step.
   Tokens mirror the original 9bit oklch palette in sRGB equivalents.
   ===================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
    --nb-bg: #060b18;
    --nb-bg-deep: #04070f;
    --nb-bg-soft: #0a1122;
    --nb-card: #0d1628;
    --nb-fg: #f2f6fb;
    --nb-fg-soft: #e2e8f0;
    --nb-muted: #94a3b8;
    --nb-dim: #64748b;
    --nb-dimmer: #475569;

    --nb-cyan: #67e8f9;
    --nb-cyan-strong: #22d3ee;
    --nb-cyan-deep: #06b6d4;
    --nb-blue: #60a5fa;
    --nb-blue-strong: #3b82f6;
    --nb-blue-deep: #2563eb;
    --nb-sky: #38bdf8;
    --nb-amber: #fbbf24;

    --nb-border: rgba(255, 255, 255, 0.09);
    --nb-border-soft: rgba(255, 255, 255, 0.06);
    --nb-border-strong: rgba(255, 255, 255, 0.14);
    --nb-surface: rgba(255, 255, 255, 0.04);
    --nb-surface-2: rgba(255, 255, 255, 0.02);

    --nb-glass: linear-gradient(160deg, rgba(255, 255, 255, 0.055) 0%, rgba(255, 255, 255, 0.02) 55%, rgba(255, 255, 255, 0.04) 100%);
    --nb-gradient: linear-gradient(100deg, #a5f3fc 0%, #67e8f9 35%, #60a5fa 70%, #818cf8 100%);

    --nb-radius: 0.75rem;
    --nb-radius-lg: 1rem;
    --nb-radius-xl: 1.5rem;
    --nb-shadow: 0 12px 48px -12px rgba(56, 189, 248, 0.28);

    --nb-font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    --nb-font-display: "Space Grotesk", "Inter", ui-sans-serif, system-ui, sans-serif;
    --nb-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ---------- 2. Reset & base ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--nb-bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(37, 99, 235, 0.35), transparent),
        radial-gradient(ellipse 60% 40% at 90% 10%, rgba(8, 145, 178, 0.18), transparent);
    background-attachment: fixed;
    color: var(--nb-fg);
    font-family: var(--nb-font-sans);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
}

main {
    flex: 1 0 auto;
}

h1, h2, h3, h4, p, dl, dd, dt, ul, ol {
    margin: 0;
}

ul, ol {
    padding: 0;
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

img, svg, canvas {
    display: block;
    max-width: 100%;
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
}

::selection {
    background: rgba(103, 232, 249, 0.35);
    color: #f8fdff;
}

:focus-visible {
    outline: 3px solid rgba(34, 211, 238, 0.55);
    outline-offset: 3px;
}

.nb-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

.nb-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex: 0 0 auto;
}

.nb-logo {
    width: 2rem;
    height: 2rem;
    flex: 0 0 auto;
}

.nb-skip {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 100;
    padding: 0.75rem 1.25rem;
    border-radius: 999px;
    background: var(--nb-cyan-strong);
    color: #04121a;
    font-weight: 700;
    transition: top 0.2s ease;
}

.nb-skip:focus {
    top: 1rem;
}

.nb-body.nb-lock {
    overflow: hidden;
}

/* ---------- 3. Layout primitives ---------- */
.nb-container {
    width: 100%;
    max-width: 80rem;
    margin-inline: auto;
    padding-inline: 1rem;
}

.nb-section {
    position: relative;
    padding-block: 5rem;
    scroll-margin-top: 4rem;
}

.nb-section-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.nb-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: 999px;
    background: rgba(34, 211, 238, 0.05);
    color: rgba(103, 232, 249, 0.9);
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.nb-eyebrow-dot {
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background: var(--nb-cyan);
    box-shadow: 0 0 8px rgba(103, 232, 249, 0.9);
}

.nb-h1 {
    font-family: var(--nb-font-display);
    font-size: clamp(2.25rem, 6vw, 3.6rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.nb-h2 {
    max-width: 48rem;
    font-family: var(--nb-font-display);
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.nb-lede {
    max-width: 38rem;
    color: var(--nb-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.nb-section-lede {
    max-width: 42rem;
    color: var(--nb-muted);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.nb-strong {
    color: var(--nb-fg-soft);
    font-weight: 500;
}

.nb-strong-cyan {
    color: var(--nb-cyan);
    font-weight: 500;
}

.nb-strong-blue {
    color: var(--nb-blue);
    font-weight: 500;
}

.nb-gradient-text {
    background-image: var(--nb-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nb-glow {
    text-shadow: 0 0 18px rgba(34, 211, 238, 0.55), 0 0 46px rgba(56, 189, 248, 0.3);
}

.nb-glass {
    background: var(--nb-glass);
    border: 1px solid var(--nb-border);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.nb-glass-hover {
    transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease, background 0.35s ease;
}

.nb-glass-hover:hover {
    border-color: rgba(34, 211, 238, 0.45);
    box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.12), var(--nb-shadow);
    transform: translateY(-4px);
}

/* Decorative layers */
.nb-grid-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 30%, transparent 75%);
    mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 30%, transparent 75%);
}

.nb-grid-bg--soft {
    opacity: 0.6;
}

.nb-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(130px);
    pointer-events: none;
}

.nb-blob--blue {
    top: -10rem;
    left: 50%;
    width: 54rem;
    height: 34rem;
    transform: translateX(-50%);
    background: rgba(37, 99, 235, 0.15);
}

.nb-blob--cyan {
    top: 10rem;
    right: -8rem;
    width: 26rem;
    height: 26rem;
    background: rgba(6, 182, 212, 0.1);
}

.nb-blob--services {
    top: 33%;
    left: -10rem;
    width: 28rem;
    height: 28rem;
    background: rgba(29, 78, 216, 0.1);
}

.nb-blob--methodology {
    top: 0;
    right: 0;
    width: 30rem;
    height: 30rem;
    background: rgba(8, 145, 178, 0.1);
}

.nb-blob--courses {
    bottom: 0;
    left: -8rem;
    width: 26rem;
    height: 26rem;
    background: rgba(29, 78, 216, 0.1);
}

.nb-blob--contact {
    top: 2.5rem;
    left: 50%;
    width: 42rem;
    height: 24rem;
    transform: translateX(-50%);
    background: rgba(8, 145, 178, 0.1);
}

/* ---------- 4. Buttons ---------- */
.nb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 44px;
    padding: 0.875rem 1.75rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.nb-btn:active {
    transform: scale(0.97);
}

.nb-btn--primary {
    background: linear-gradient(90deg, var(--nb-cyan-deep), var(--nb-blue-deep));
    color: #fff;
    box-shadow: 0 0 32px rgba(34, 211, 238, 0.4);
}

.nb-btn--primary:hover {
    box-shadow: 0 0 48px rgba(34, 211, 238, 0.6);
}

.nb-btn--ghost {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
    color: var(--nb-fg-soft);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.nb-btn--ghost:hover {
    border-color: rgba(34, 211, 238, 0.5);
    color: var(--nb-cyan);
}

.nb-btn--sm {
    min-height: 44px;
    padding: 0.6rem 1.25rem;
    font-size: 0.8125rem;
}

.nb-btn--full {
    width: 100%;
}

.nb-btn:disabled {
    cursor: not-allowed;
    opacity: 0.72;
}

.nb-btn-icon {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s ease;
}

.nb-btn:hover .nb-btn-icon--shift,
.nb-card-link:hover .nb-btn-icon--shift {
    transform: translateX(0.25rem);
}

.nb-btn-loading {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.nb-btn.is-loading .nb-btn-label,
.nb-btn.is-loading .nb-submit-send {
    display: none;
}

.nb-btn.is-loading .nb-btn-loading {
    display: inline-flex;
}

.nb-btn.is-sent .nb-submit-send {
    display: none;
}

.nb-btn.is-sent .nb-btn-loading {
    display: none;
}

.nb-spinner {
    width: 1rem;
    height: 1rem;
    animation: nb-spin 1s linear infinite;
}

/* ---------- 5. Header / navigation ---------- */
.nb-header {
    position: fixed;
    inset-inline: 0;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid transparent;
    background: transparent;
    transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.nb-header.is-scrolled {
    border-bottom-color: rgba(255, 255, 255, 0.07);
    background: rgba(6, 11, 24, 0.82);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.nb-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    max-width: 80rem;
    height: 4rem;
    margin-inline: auto;
    padding-inline: 1rem;
}

.nb-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    min-height: 44px;
}

.nb-brand-logo {
    transition: transform 0.3s ease;
}

.nb-brand:hover .nb-brand-logo {
    transform: rotate(12deg);
}

.nb-brand-name {
    font-family: var(--nb-font-display);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.nb-links {
    display: none;
    align-items: center;
    gap: 0.25rem;
}

.nb-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    color: #cbd5e1;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nb-link::after {
    content: "";
    position: absolute;
    inset-inline: 1rem;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--nb-cyan-strong), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nb-link:hover {
    color: #fff;
}

.nb-link.is-active {
    color: var(--nb-cyan);
}

.nb-link.is-active::after {
    opacity: 1;
}

.nb-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nb-lang {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-width: 44px;
    min-height: 44px;
    padding: 0 0.5rem;
    border: 1px solid var(--nb-border);
    border-radius: 999px;
    color: #cbd5e1;
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}

.nb-lang:hover {
    border-color: rgba(34, 211, 238, 0.5);
    background: rgba(34, 211, 238, 0.08);
    color: var(--nb-cyan);
}

.nb-lang-icon {
    width: 1rem;
    height: 1rem;
}

.nb-cta {
    display: none;
}

.nb-burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--nb-border);
    border-radius: 0.75rem;
    background: transparent;
    color: var(--nb-fg-soft);
    transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}

/* No scripting: the burger cannot open anything, so hide it. */
html:not(.nb-js) .nb-burger {
    display: none;
}

.nb-noscript {
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(6, 11, 24, 0.97);
}

.nb-noscript-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    padding: 0.5rem 1rem;
}

.nb-noscript-list a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    color: #cbd5e1;
    font-size: 0.875rem;
    font-weight: 500;
}

.nb-noscript-list a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.nb-burger:hover {
    border-color: rgba(34, 211, 238, 0.4);
    color: var(--nb-cyan);
}

.nb-burger-close {
    display: none;
}

.nb-burger[aria-expanded="true"] .nb-burger-menu {
    display: none;
}

.nb-burger[aria-expanded="true"] .nb-burger-close {
    display: block;
}

.nb-mobile {
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(6, 11, 24, 0.97);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.nb-mobile[hidden] {
    display: none;
}

.nb-mobile.is-open {
    animation: nb-menu-in 0.3s ease;
}

.nb-mobile-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
}

.nb-mobile-link {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    color: #cbd5e1;
    font-size: 1rem;
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease;
}

.nb-mobile-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.nb-mobile-cta {
    width: calc(100% - 2rem);
    margin: 0 1rem 1rem;
    background: linear-gradient(90deg, var(--nb-cyan-deep), var(--nb-blue-deep));
    color: #fff;
    box-shadow: 0 0 28px rgba(34, 211, 238, 0.35);
}

/* ---------- 6. Hero ---------- */
.nb-hero {
    position: relative;
    overflow: hidden;
    padding-top: 4rem;
    scroll-margin-top: 0;
}

.nb-hero-inner {
    position: relative;
    display: grid;
    gap: 2.5rem;
    align-items: center;
    padding-block: 3.5rem 4rem;
}

.nb-hero-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.75rem;
}

.nb-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.375rem 1rem;
    border: 1px solid rgba(34, 211, 238, 0.25);
    border-radius: 999px;
    background: rgba(34, 211, 238, 0.07);
    color: #a5f3fc;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.nb-badge-dot {
    position: relative;
    width: 0.5rem;
    height: 0.5rem;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--nb-cyan);
}

.nb-badge-dot::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--nb-cyan-strong);
    opacity: 0.6;
    animation: nb-ping 1.6s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.nb-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.nb-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    width: 100%;
    padding-top: 0.25rem;
}

.nb-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--nb-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    color: #cbd5e1;
    font-size: 0.75rem;
    font-weight: 500;
}

.nb-chip-icon {
    width: 0.875rem;
    height: 0.875rem;
    color: var(--nb-cyan-strong);
}

.nb-canvas-wrap {
    position: relative;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 1;
    margin-inline: auto;
}

.nb-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.nb-orbit {
    position: absolute;
    inset: 6%;
    border: 1px dashed rgba(34, 211, 238, 0.15);
    border-radius: 50%;
    pointer-events: none;
    animation: nb-spin 22s linear infinite;
}

.nb-orbit--inner {
    inset: 16%;
    border: 1px solid rgba(255, 255, 255, 0.05);
    animation: none;
}

.nb-canvas-caption {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(103, 232, 249, 0.7);
    font-family: var(--nb-font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    white-space: nowrap;
    animation: nb-pulse-glow 4s ease-in-out infinite;
}

.nb-stats-wrap {
    position: relative;
    padding-bottom: 3.5rem;
}

.nb-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem 1rem;
    padding: 1.75rem;
    border-radius: var(--nb-radius-lg);
}

.nb-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    text-align: center;
}

.nb-stat-value {
    font-family: var(--nb-font-display);
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1;
}

.nb-stat-label {
    color: var(--nb-muted);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

/* ---------- 7. Services ---------- */
.nb-services {
    display: grid;
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.nb-service {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.5rem;
    border-radius: var(--nb-radius-lg);
}

.nb-service--cyan:hover {
    box-shadow: 0 0 60px -12px rgba(34, 211, 238, 0.45);
}

.nb-service--blue:hover {
    box-shadow: 0 0 60px -12px rgba(59, 130, 246, 0.5);
}

.nb-service--sky:hover {
    box-shadow: 0 0 60px -12px rgba(56, 189, 248, 0.45);
}

.nb-service-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.nb-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    padding: 0.75rem;
    border: 1px solid;
    border-radius: var(--nb-radius);
}

.nb-icon-box--sm {
    width: 44px;
    height: 44px;
    padding: 0.625rem;
}

.nb-icon-box--cyan {
    border-color: rgba(34, 211, 238, 0.3);
    background: rgba(34, 211, 238, 0.1);
    color: #67e8f9;
}

.nb-icon-box--blue {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.1);
    color: #93c5fd;
}

.nb-icon-box--sky {
    border-color: rgba(56, 189, 248, 0.3);
    background: rgba(56, 189, 248, 0.1);
    color: #7dd3fc;
}

.nb-icon-box-glyph {
    width: 1.5rem;
    height: 1.5rem;
}

.nb-index {
    font-family: var(--nb-font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
}

.nb-service--cyan .nb-index,
.nb-service--cyan .nb-service-tagline {
    color: rgba(103, 232, 249, 0.8);
}

.nb-service--blue .nb-index,
.nb-service--blue .nb-service-tagline {
    color: rgba(147, 197, 253, 0.8);
}

.nb-service--sky .nb-index,
.nb-service--sky .nb-service-tagline {
    color: rgba(125, 211, 252, 0.8);
}

.nb-service-title {
    margin-top: 1.5rem;
    font-family: var(--nb-font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nb-service-tagline {
    margin-top: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.nb-service-desc {
    margin-top: 1rem;
    color: var(--nb-muted);
    font-size: 0.875rem;
    line-height: 1.65;
}

.nb-feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--nb-border-soft);
}

.nb-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    color: #cbd5e1;
    font-size: 0.875rem;
    line-height: 1.5;
}

.nb-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.125rem;
    flex: 0 0 auto;
    border: 1px solid rgba(34, 211, 238, 0.3);
    border-radius: 50%;
    background: rgba(34, 211, 238, 0.1);
}

.nb-check-glyph {
    width: 0.6875rem;
    height: 0.6875rem;
    color: var(--nb-cyan);
}

.nb-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 44px;
    margin-top: auto;
    padding-top: 1.75rem;
    color: #cbd5e1;
    font-size: 0.875rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nb-card-link:hover {
    color: #fff;
}

.nb-card-link-line {
    width: 1.5rem;
    height: 1px;
    background: linear-gradient(90deg, rgba(34, 211, 238, 0.6), transparent);
}

.nb-service--blue .nb-card-link-line {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.6), transparent);
}

.nb-service--sky .nb-card-link-line {
    background: linear-gradient(90deg, rgba(56, 189, 248, 0.6), transparent);
}

/* ---------- 8. Methodology ---------- */
.nb-layers {
    display: grid;
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.nb-layer {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    height: 100%;
    padding: 1.5rem;
    border-radius: var(--nb-radius-lg);
}

.nb-layer-head {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nb-layer-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    flex: 0 0 auto;
    border: 1px solid rgba(34, 211, 238, 0.25);
    border-radius: var(--nb-radius);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(59, 130, 246, 0.15));
    color: var(--nb-cyan);
}

.nb-layer-glyph {
    width: 1.5rem;
    height: 1.5rem;
}

.nb-layer-title {
    font-family: var(--nb-font-display);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nb-layer-desc {
    color: var(--nb-muted);
    font-size: 0.875rem;
    line-height: 1.65;
}

.nb-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.nb-tag {
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--nb-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    color: #cbd5e1;
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.02em;
}

.nb-orchestrator {
    position: relative;
    overflow: hidden;
    margin-top: 3.5rem;
    padding: 1.5rem;
    border-radius: var(--nb-radius-xl);
}

.nb-orch-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.nb-mode {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    height: 100%;
    padding: 1.5rem;
    border: 1px solid var(--nb-border);
    border-radius: var(--nb-radius-lg);
    background: var(--nb-glass);
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.nb-mode--cyan:hover {
    border-color: rgba(34, 211, 238, 0.5);
    box-shadow: 0 0 50px -14px rgba(34, 211, 238, 0.5);
}

.nb-mode--blue:hover {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 50px -14px rgba(59, 130, 246, 0.55);
}

.nb-mode-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nb-mode-badge {
    font-family: var(--nb-font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

.nb-mode--cyan .nb-mode-badge {
    color: rgba(103, 232, 249, 0.7);
}

.nb-mode--blue .nb-mode-badge {
    color: rgba(147, 197, 253, 0.7);
}

.nb-mode-title {
    font-family: var(--nb-font-display);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nb-mode-pitch {
    margin-top: -0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.nb-mode--cyan .nb-mode-pitch {
    color: rgba(103, 232, 249, 0.8);
}

.nb-mode--blue .nb-mode-pitch {
    color: rgba(147, 197, 253, 0.8);
}

.nb-mode-points {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.nb-mode-point {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--nb-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

.nb-dot {
    width: 0.25rem;
    height: 0.25rem;
    margin-top: 0.5rem;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--nb-cyan);
}

.nb-dot--blue {
    background: var(--nb-blue);
}

.nb-dot--cyan {
    background: var(--nb-cyan-strong);
}

.nb-orch-hub {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex: 0 0 auto;
    text-align: center;
}

.nb-hub-line {
    width: 1px;
    height: 2.5rem;
    background: linear-gradient(to bottom, transparent, rgba(34, 211, 238, 0.5), transparent);
}

.nb-hub {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border: 1px solid rgba(103, 232, 249, 0.4);
    border-radius: var(--nb-radius-lg);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(37, 99, 235, 0.2));
    box-shadow: 0 0 36px rgba(34, 211, 238, 0.35);
    animation: nb-pulse-glow 4s ease-in-out infinite;
}

.nb-hub-glyph {
    width: 1.75rem;
    height: 1.75rem;
    color: #a5f3fc;
}

.nb-hub-title {
    font-family: var(--nb-font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #a5f3fc;
}

.nb-hub-sub {
    max-width: 13rem;
    color: var(--nb-dim);
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
    line-height: 1.5;
}

.nb-hub-link {
    display: none;
    padding-top: 0.5rem;
}

.nb-hub-link-glyph {
    width: 1rem;
    height: 1rem;
    color: var(--nb-dimmer);
    transform: rotate(90deg);
}

.nb-flow {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem 1.5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.nb-flow-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--nb-muted);
    font-size: 0.75rem;
    font-weight: 500;
}

.nb-flow-glyph {
    width: 1rem;
    height: 1rem;
    color: var(--nb-cyan-strong);
}

/* ---------- 9. Courses ---------- */
.nb-courses {
    display: grid;
    gap: 2rem;
    margin-top: 3.5rem;
}

.nb-course-summary {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: var(--nb-radius-lg);
}

.nb-course-summary-title {
    font-family: var(--nb-font-display);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.nb-course-summary-text {
    margin-top: 0.75rem;
    color: var(--nb-muted);
    font-size: 0.875rem;
    line-height: 1.65;
}

.nb-mini-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.nb-mini-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    padding: 1rem 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--nb-radius);
    background: rgba(255, 255, 255, 0.03);
    text-align: center;
}

.nb-mini-stat-icon {
    width: 1rem;
    height: 1rem;
    color: var(--nb-cyan-strong);
}

.nb-mini-stat-value {
    font-family: var(--nb-font-display);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.1;
}

.nb-mini-stat-label {
    color: var(--nb-dim);
    font-size: 0.625rem;
    line-height: 1.3;
    letter-spacing: 0.01em;
}

.nb-summary-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    color: var(--nb-muted);
    font-size: 0.875rem;
}

.nb-summary-bullet {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
}

.nb-summary-bullet .nb-dot {
    margin-top: 0.5rem;
}

.nb-accordion {
    padding: 0.5rem 1rem;
    border-radius: var(--nb-radius-lg);
}

.nb-acc-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.nb-acc-item:last-child {
    border-bottom: 0;
}

.nb-acc-trigger {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 44px;
    padding: 1.25rem 0;
    cursor: pointer;
    list-style: none;
    -webkit-tap-highlight-color: transparent;
}

.nb-acc-trigger::-webkit-details-marker {
    display: none;
}

.nb-acc-trigger:hover .nb-acc-title {
    color: #fff;
}

.nb-acc-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    border: 1px solid rgba(34, 211, 238, 0.25);
    border-radius: 0.625rem;
    background: rgba(34, 211, 238, 0.08);
    color: var(--nb-cyan);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.nb-acc-icon--pre {
    border-color: rgba(251, 191, 36, 0.3);
    background: rgba(251, 191, 36, 0.1);
    color: #fcd34d;
}

.nb-acc-glyph {
    width: 1.25rem;
    height: 1.25rem;
}

.nb-acc-main {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
    text-align: left;
}

.nb-acc-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.nb-acc-code {
    color: rgba(103, 232, 249, 0.7);
    font-family: var(--nb-font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.nb-acc-code--pre {
    color: rgba(252, 211, 77, 0.9);
}

.nb-acc-pre {
    padding: 0.125rem 0.5rem;
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 999px;
    background: rgba(251, 191, 36, 0.1);
    color: #fcd34d;
    font-size: 0.5625rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nb-acc-title {
    color: #f1f5f9;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.35;
    overflow-wrap: anywhere;
    transition: color 0.2s ease;
}

.nb-acc-duration {
    display: none;
    align-items: center;
    gap: 0.375rem;
    flex: 0 0 auto;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--nb-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--nb-muted);
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
}

.nb-acc-clock {
    width: 0.75rem;
    height: 0.75rem;
}

.nb-acc-caret {
    flex: 0 0 auto;
    color: var(--nb-muted);
    transition: transform 0.3s ease;
}

.nb-acc-caret-glyph {
    width: 1rem;
    height: 1rem;
}

.nb-acc-item[open] .nb-acc-caret {
    transform: rotate(180deg);
}

.nb-acc-item[open] .nb-acc-icon {
    border-color: rgba(34, 211, 238, 0.6);
    background: rgba(34, 211, 238, 0.15);
}

.nb-acc-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-bottom: 1.5rem;
    animation: nb-accordion-in 0.28s ease;
}

.nb-acc-desc {
    max-width: 48rem;
    color: var(--nb-muted);
    font-size: 0.875rem;
    line-height: 1.65;
}

.nb-topic-grid {
    display: grid;
    gap: 0.625rem;
}

.nb-topic {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.625rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    color: #cbd5e1;
    font-size: 0.8125rem;
    line-height: 1.45;
}

.nb-topic .nb-dot {
    margin-top: 0.45rem;
}

.nb-acc-duration-mobile {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--nb-dim);
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
}

/* ---------- 10. Contact ---------- */
.nb-contact {
    display: grid;
    gap: 2rem;
    margin-top: 3.5rem;
}

.nb-contact-aside {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.nb-channels {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.nb-channel {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 44px;
    padding: 1.25rem;
    border-radius: var(--nb-radius-lg);
}

.nb-channel-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    border: 1px solid rgba(34, 211, 238, 0.25);
    border-radius: var(--nb-radius);
    background: rgba(34, 211, 238, 0.08);
    color: var(--nb-cyan);
}

.nb-channel-glyph {
    width: 1.25rem;
    height: 1.25rem;
}

.nb-channel-copy {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.nb-channel-label {
    color: var(--nb-dim);
    font-size: 0.75rem;
    font-weight: 500;
}

.nb-channel-value {
    color: var(--nb-fg-soft);
    font-size: 0.875rem;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.nb-next {
    padding: 1.5rem;
    border-radius: var(--nb-radius-lg);
}

.nb-next-title {
    color: rgba(103, 232, 249, 0.7);
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.nb-steps {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin-top: 1rem;
}

.nb-step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--nb-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

.nb-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex: 0 0 auto;
    border: 1px solid rgba(34, 211, 238, 0.3);
    border-radius: 50%;
    background: rgba(34, 211, 238, 0.1);
    color: var(--nb-cyan);
    font-family: var(--nb-font-display);
    font-size: 0.75rem;
    font-weight: 700;
}

.nb-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    height: 100%;
    padding: 1.5rem;
    border-radius: var(--nb-radius-lg);
}

.nb-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.nb-form-row {
    display: grid;
    gap: 1.25rem;
}

.nb-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nb-label {
    color: var(--nb-muted);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.nb-input,
.nb-select,
.nb-textarea {
    width: 100%;
    min-height: 44px;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--nb-radius);
    background: rgba(255, 255, 255, 0.04);
    color: #f1f5f9;
    font-size: 0.875rem;
    line-height: 1.4;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.nb-input::placeholder,
.nb-textarea::placeholder {
    color: var(--nb-dimmer);
}

.nb-input:focus,
.nb-select:focus,
.nb-textarea:focus {
    border-color: rgba(34, 211, 238, 0.6);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.nb-textarea {
    min-height: 140px;
    resize: vertical;
}

.nb-select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 2.75rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
}

.nb-select option {
    background: var(--nb-bg-soft);
    color: var(--nb-fg);
}

.nb-alert {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--nb-border);
    border-radius: var(--nb-radius);
    font-size: 0.875rem;
    line-height: 1.5;
}

.nb-alert[hidden] {
    display: none;
}

.nb-alert--success {
    border-color: rgba(34, 211, 238, 0.3);
    background: rgba(34, 211, 238, 0.1);
    color: #a5f3fc;
}

.nb-alert--error {
    border-color: rgba(248, 113, 113, 0.3);
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
}

.nb-alert-icon {
    width: 1.125rem;
    height: 1.125rem;
    flex: 0 0 auto;
}

.nb-submit {
    margin-top: auto;
    width: 100%;
}

.nb-form-note {
    color: var(--nb-dim);
    font-size: 0.6875rem;
    text-align: center;
}

/* ---------- 11. Footer ---------- */
.nb-footer {
    position: relative;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(4, 7, 15, 0.8);
}

.nb-footer::before {
    content: "";
    position: absolute;
    inset-inline: 0;
    top: -1px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.5), transparent);
}

.nb-footer-inner {
    padding-block: 3.5rem;
}

.nb-footer-grid {
    display: grid;
    gap: 2.5rem;
}

.nb-footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.nb-footer-brand .nb-brand {
    align-self: flex-start;
}

.nb-footer-blurb {
    max-width: 20rem;
    color: var(--nb-dim);
    font-size: 0.875rem;
    line-height: 1.65;
}

.nb-footer-mono {
    color: var(--nb-dimmer);
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.nb-footer-title {
    color: var(--nb-muted);
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.nb-footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    margin-top: 0.75rem;
}

.nb-footer-links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--nb-dim);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.nb-footer-links a:hover {
    color: var(--nb-cyan);
}

.nb-footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--nb-dimmer);
    font-size: 0.75rem;
    text-align: center;
}

.nb-footer-built {
    font-family: var(--nb-font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    color: #334155;
}

.nb-footer-built-accent {
    color: rgba(34, 211, 238, 0.8);
}

/* ---------- 12. Reveal ---------- */
.nb-reveal {
    --nb-delay: 0ms;
}

.nb-delay-1 { --nb-delay: 90ms; }
.nb-delay-2 { --nb-delay: 180ms; }
.nb-delay-3 { --nb-delay: 260ms; }
.nb-delay-4 { --nb-delay: 340ms; }

.js .nb-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--nb-delay);
    will-change: opacity, transform;
}

.js .nb-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 13. Keyframes ---------- */
@keyframes nb-spin {
    to { transform: rotate(360deg); }
}

@keyframes nb-ping {
    0% { transform: scale(1); opacity: 0.6; }
    75%, 100% { transform: scale(2.4); opacity: 0; }
}

@keyframes nb-pulse-glow {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 1; }
}

@keyframes nb-menu-in {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes nb-accordion-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- 14. Responsive ---------- */
@media (min-width: 640px) {
    .nb-container {
        padding-inline: 1.5rem;
    }

    .nb-section {
        padding-block: 7rem;
    }

    .nb-service,
    .nb-layer,
    .nb-course-summary,
    .nb-form,
    .nb-orchestrator {
        padding: 2rem;
    }

    .nb-stats {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        padding: 1.75rem 2.5rem;
    }

    .nb-stat-value {
        font-size: 2.25rem;
    }

    .nb-service-title {
        font-size: 1.5rem;
    }

    .nb-acc-title {
        overflow: hidden;
        font-size: 1rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .nb-acc-duration {
        display: inline-flex;
    }

    .nb-acc-duration-mobile {
        display: none;
    }

    .nb-accordion {
        padding: 0.5rem 1.5rem;
    }

    .nb-topic-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nb-form-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nb-footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 768px) {
    .nb-links {
        display: flex;
    }

    .nb-cta {
        display: inline-flex;
    }

    .nb-burger,
    .nb-mobile,
    .nb-noscript {
        display: none !important;
    }

    .nb-layers {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nb-footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nb-footer-brand {
        grid-column: 1 / -1;
    }
}

@media (min-width: 1024px) {
    .nb-container {
        padding-inline: 2rem;
    }

    .nb-hero-inner {
        grid-template-columns: 1.05fr 0.95fr;
        gap: 1.5rem;
        padding-block: 6rem;
    }

    .nb-actions {
        gap: 1rem;
    }

    .nb-services {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .nb-orch-inner {
        flex-direction: row;
        align-items: stretch;
        gap: 1.5rem;
    }

    .nb-orch-hub {
        width: 13rem;
        flex: 0 0 13rem;
    }

    .nb-hub-line {
        display: none;
    }

    .nb-hub-link {
        display: block;
    }

    .nb-courses {
        grid-template-columns: 340px minmax(0, 1fr);
        gap: 2.5rem;
    }

    .nb-course-summary-wrap {
        position: sticky;
        top: 6rem;
        align-self: start;
    }

    .nb-contact {
        grid-template-columns: 380px minmax(0, 1fr);
        gap: 3rem;
    }

    .nb-footer-grid {
        grid-template-columns: 1.2fr repeat(3, minmax(0, 1fr));
        gap: 2rem;
    }

    .nb-footer-brand {
        grid-column: auto;
    }
}

/* ---------- 15. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .js .nb-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}