:root {
    --ink: #0b0b0b;
    --ink-soft: #2c2c2c;
    --paper: #f4f4f4;
    --surface: #fafafa;
    --line: rgba(11, 11, 11, 0.1);
    --muted: #5a5a5a;
    --signal: #ffe600;
    --signal-deep: #e6cf00;
    --nav-h: 80px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Manrope", sans-serif;
    color: var(--ink);
    background: var(--surface);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul, ol {
    list-style: none;
}

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

.container {
    width: min(92%, 1140px);
    margin-inline: auto;
}

.eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.35rem;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    border-radius: 2px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn.primary {
    background: var(--signal);
    color: var(--ink);
}

.btn.primary:hover {
    background: var(--signal-deep);
}

.btn.ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.28);
    color: #fff;
}

.btn.ghost:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.btn.light {
    background: #fff;
    border-color: var(--line);
    color: var(--ink);
}

.btn.light:hover {
    border-color: var(--ink);
    background: #f7f7f7;
}

.btn.secondary {
    background: transparent;
    border-color: var(--ink);
    color: var(--ink);
}

.btn.secondary:hover {
    background: var(--ink);
    color: #fff;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--signal);
    outline-offset: 3px;
}


/* ================= NAV ================= */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: #000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    line-height: 0;
    flex-shrink: 0;
}

.logo-img {
    height: 48px;
    width: auto;
}

#navMenu {
    display: flex;
    gap: 1.85rem;
}

#navMenu a {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.72);
    transition: color 0.2s ease;
    position: relative;
}

#navMenu a:hover {
    color: #fff;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: rgba(255, 255, 255, 0.72);
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle:focus-visible {
    color: #fff;
}

.nav-dropdown-toggle span {
    color: var(--signal);
    font-size: 0.75rem;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 1.1rem);
    left: 50%;
    display: grid;
    min-width: 220px;
    padding: 0.45rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: #111;
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.28);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -0.35rem);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.nav-dropdown-menu::before {
    content: "";
    position: absolute;
    top: -0.45rem;
    left: 50%;
    width: 0.8rem;
    height: 0.8rem;
    background: #111;
    border-left: 1px solid rgba(255, 255, 255, 0.14);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    transform: translateX(-50%) rotate(45deg);
}

.nav-dropdown-menu a {
    padding: 0.55rem 0.7rem;
    color: rgba(255, 255, 255, 0.72) !important;
    font-size: 0.78rem !important;
    white-space: nowrap;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a:focus-visible {
    background: rgba(255, 230, 0, 0.1);
    color: var(--signal) !important;
}

.nav-dropdown.is-open .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.nav-cta {
    padding: 0.6rem 1.05rem;
    background: var(--signal);
    color: var(--ink);
    font-size: 0.84rem;
    font-weight: 700;
    border-radius: 2px;
    white-space: nowrap;
    transition: background 0.2s ease;
}

.nav-cta:hover {
    background: #fff;
}

.menu-button {
    display: none;
    width: 2.4rem;
    height: 2.4rem;
    border: none;
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
    padding: 0;
}

.menu-button span {
    display: block;
    width: calc(100% - 8%);
    height: 2px;
    background: #fff;
    transition: transform 0.3s var(--ease);
}

.menu-button[aria-expanded="true"] span:first-child {
    transform: translateY(4.5px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:last-child {
    transform: translateY(-4.5px) rotate(-45deg);
}


/* ================= HERO ================= */

.hero {
    position: relative;
    min-height: calc(88vh - var(--nav-h));
    display: flex;
    align-items: center;
    padding: clamp(3.5rem, 8vw, 6rem) 0;
    color: #fff;
    overflow: hidden;
    background: #000;
}

.hero-visual {
    --pointer-x: 78%;
    --pointer-y: 48%;
    --circuit-shift-x: 0px;
    --circuit-shift-y: 0px;
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(255, 230, 0, 0.16), transparent 24rem),
        linear-gradient(160deg, #000 0%, #0d0d0d 100%);
    transition: background 0.35s ease;
}

.hero-visual::before {
    content: "";
    position: absolute;
    inset: 8% 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.035);
    opacity: 0.7;
}

.hero-visual::after {
    content: "";
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 230, 0, 0.35), transparent);
    box-shadow: 0 0 18px rgba(255, 230, 0, 0.25);
    animation: hero-scan 10s linear infinite;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 230, 0, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 230, 0, 0.045) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(90deg, transparent 0%, black 50%, black 100%);
    transform: translate(calc(var(--circuit-shift-x) * -0.35), calc(var(--circuit-shift-y) * -0.35));
    transition: transform 0.25s ease-out;
}

.hero-circuit {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.72;
    pointer-events: none;
    transform: translate(var(--circuit-shift-x), var(--circuit-shift-y)) scale(1.015);
    transform-origin: center;
    transition: transform 0.25s ease-out;
}

.circuit-traces path {
    fill: none;
    stroke: rgba(255, 230, 0, 0.24);
    stroke-width: 1;
}

.circuit-traces path:nth-child(2n) {
    stroke: rgba(255, 255, 255, 0.2);
}

.circuit-signal path {
    fill: none;
    stroke: var(--signal);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 2 240;
    animation: circuit-flow 6s linear infinite;
    filter: drop-shadow(0 0 4px rgba(255, 230, 0, 0.7));
}

.circuit-signal path:nth-child(2n) {
    animation-duration: 8s;
    animation-delay: -2s;
    stroke: rgba(255, 255, 255, 0.7);
}

.circuit-signal path:nth-child(3n) {
    animation-duration: 10s;
    animation-delay: -5s;
}

.circuit-nodes circle {
    fill: var(--signal);
    opacity: 0.75;
    filter: drop-shadow(0 0 6px rgba(255, 230, 0, 0.75));
    animation: circuit-pulse 2.4s ease-in-out infinite;
}

.circuit-nodes circle:nth-child(2n) {
    animation-delay: -1.2s;
}

.circuit-nodes circle:nth-child(3n) {
    animation-delay: -0.6s;
}

.circuit-labels {
    fill: rgba(255, 255, 255, 0.42);
    font-family: "Space Grotesk", sans-serif;
    font-size: 9px;
    letter-spacing: 0.16em;
}

.hero-board {
    position: absolute;
    right: max(2%, calc((100% - 1140px) / 2 - 1rem));
    top: 50%;
    transform: translateY(-50%);
    width: min(46vw, 460px);
    opacity: 0.95;
    animation: board-in 1s var(--ease) 0.2s both;
}

.board-svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(255, 230, 0, 0.08));
}

.hero-shell {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 560px;
}

.brand-logo {
    width: min(100%, 280px);
    height: auto;
    margin-bottom: 1.75rem;
    animation: rise 0.8s var(--ease) both;
}

.hero h1 {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.85rem, 3.8vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.18;
    margin-bottom: 1.1rem;
    color: #fff;
    animation: rise 0.8s var(--ease) 0.08s both;
}

.lede {
    font-size: clamp(1rem, 1.5vw, 1.12rem);
    color: rgba(255, 255, 255, 0.68);
    max-width: 44ch;
    margin-bottom: 2rem;
    line-height: 1.7;
    animation: rise 0.8s var(--ease) 0.16s both;
}

.hero-capabilities {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem 1.25rem;
    margin: -0.5rem 0 2rem;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.88rem;
    line-height: 1.45;
    animation: rise 0.8s var(--ease) 0.2s both;
}

.hero-capabilities li {
    position: relative;
    padding-left: 1.15rem;
}

.hero-capabilities li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--signal);
    font-weight: 700;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    animation: rise 0.8s var(--ease) 0.24s both;
}


/* ================= TRUST BAR ================= */

.trust-bar {
    background: #111;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.trust-bar-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 1.35rem 0;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.35rem 0.5rem;
}

.trust-icon {
    width: 2.4rem;
    height: 2.4rem;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 230, 0, 0.35);
    color: var(--signal);
    background: rgba(255, 230, 0, 0.06);
}

.trust-icon svg {
    width: 1.15rem;
    height: 1.15rem;
}

.trust-item strong {
    display: block;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.trust-item span:not(.trust-icon) {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.55);
}


/* ================= SECTIONS ================= */

.section {
    padding: clamp(4.25rem, 9vw, 6.5rem) 0;
}

.section-intro {
    max-width: 36rem;
    margin-bottom: clamp(2.25rem, 5vw, 3.25rem);
}

.section-intro h2 {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.7rem, 3.2vw, 2.35rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.2;
    margin: 0.55rem 0 0.75rem;
}

.section-intro p:last-child {
    color: var(--muted);
    font-size: 1.02rem;
}

.section-intro.light {
    color: #fff;
}

.section-intro.light p:last-child {
    color: rgba(255, 255, 255, 0.62);
}

.section-intro.light .eyebrow {
    color: var(--signal);
}


/* ================= SERVICES ================= */

.services {
    background: var(--surface);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.service-tile {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1.45rem 1.3rem 1.5rem;
    background: #fff;
    border: 1px solid var(--line);
    border-top: 3px solid transparent;
    transition: border-color 0.2s ease, transform 0.25s var(--ease), background 0.2s ease;
}

.service-tile:hover {
    border-top-color: var(--signal);
    border-color: rgba(11, 11, 11, 0.16);
    transform: translateY(-3px);
    background: #fffef6;
}

.service-icon {
    width: 2.75rem;
    height: 2.75rem;
    display: grid;
    place-items: center;
    color: var(--ink);
    background: #f0f0f0;
    margin-bottom: 0.35rem;
}

.service-icon svg {
    width: 1.55rem;
    height: 1.55rem;
}

.service-icon-ai {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.service-tile:hover .service-icon {
    background: var(--signal);
}

.service-index {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}

.service-tile h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.12rem;
    font-weight: 600;
    letter-spacing: -0.015em;
}

.service-tile p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

.manufacturing-showcase {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: center;
    margin-top: clamp(2.5rem, 6vw, 4.5rem);
    padding: clamp(1.25rem, 3vw, 2rem);
    background: #111;
    color: #fff;
}

.manufacturing-copy h3 {
    max-width: 16ch;
    margin: 0.55rem 0 0.75rem;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.45rem, 3vw, 2.2rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.manufacturing-copy .eyebrow {
    color: var(--signal);
}

.manufacturing-copy p:not(.eyebrow) {
    max-width: 45ch;
    margin-bottom: 1.25rem;
    color: rgba(255, 255, 255, 0.66);
    font-size: 0.94rem;
}

.manufacturing-copy .btn.secondary {
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
}

.manufacturing-copy .btn.secondary:hover {
    border-color: var(--signal);
    background: var(--signal);
    color: var(--ink);
}

.manufacturing-video-frame {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000;
    border: 1px solid rgba(255, 230, 0, 0.3);
}

.manufacturing-video-frame::before {
    content: "SMT / PCBA";
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 1;
    padding: 0.25rem 0.45rem;
    background: var(--signal);
    color: var(--ink);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.manufacturing-video-frame video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-gallery {
    margin-top: clamp(2.5rem, 6vw, 4.5rem);
    padding: clamp(1.25rem, 3vw, 2rem) 0;
    overflow: hidden;
    border-top: 1px solid var(--line);
}

.project-gallery-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 1.35rem;
}

.project-gallery-heading h3 {
    margin-top: 0.45rem;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    letter-spacing: -0.03em;
}

.project-gallery-heading > p {
    max-width: 42ch;
    color: var(--muted);
    font-size: 0.9rem;
}

.project-gallery-viewport {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    overflow: hidden;
}

.project-gallery-track {
    display: flex;
    width: max-content;
    gap: 0.75rem;
    animation: project-gallery-travel 90s linear infinite;
}

.project-gallery-track:hover {
    animation-play-state: paused;
}

.project-gallery-track img {
    width: clamp(13rem, 22vw, 19rem);
    aspect-ratio: 4 / 3;
    height: auto;
    flex: 0 0 auto;
    object-fit: contain;
    background: #e8e8e8;
    border: 1px solid var(--line);
}

@keyframes project-gallery-travel {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(calc(-50% - 0.375rem));
    }
}

/* ================= SOLUTIONS ================= */

.solutions-section {
    background: var(--paper);
}

.solution-feature {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 2rem;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    background: #111;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 42px rgba(11, 11, 11, 0.12);
}

.solution-feature-main {
    max-width: 46rem;
}

.solution-kicker {
    color: var(--signal);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.solution-feature h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    line-height: 1.2;
    margin-bottom: 0.8rem;
}

.solution-feature-main > p:not(.solution-kicker) {
    color: rgba(255, 255, 255, 0.68);
    max-width: 60ch;
    margin-bottom: 1.35rem;
}

.solution-feature-side {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
    padding-left: 1.5rem;
    border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.solution-feature-side span {
    color: var(--signal);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 0.6rem;
}

.solution-feature-side strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1rem;
    line-height: 1.45;
}

.security-visual {
    margin: 2rem 0;
    padding: clamp(1.2rem, 3vw, 2rem);
    border: 1px solid var(--line);
    background: #111;
    color: #fff;
}

.security-visual-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.security-visual-heading strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1rem, 2vw, 1.25rem);
}

.security-flow {
    display: grid;
    grid-template-columns: 1fr auto 0.85fr auto 1fr;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
}

.security-flow-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.55rem;
    position: relative;
}

.security-flow-label {
    grid-column: 1 / -1;
    color: var(--signal);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.security-flow-node,
.security-gateway {
    min-height: 4.6rem;
    display: grid;
    align-content: center;
    gap: 0.25rem;
    padding: 0.65rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.045);
}

.security-flow-node b,
.security-gateway b {
    color: #fff;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.security-flow-node small,
.security-gateway small {
    color: rgba(255, 255, 255, 0.56);
    font-size: 0.68rem;
    line-height: 1.35;
}

.security-flow-core {
    display: block;
}

.security-gateway {
    min-height: 7rem;
    margin-top: 0.55rem;
    border-color: var(--signal);
    background: rgba(255, 230, 0, 0.1);
    box-shadow: inset 0 0 22px rgba(255, 230, 0, 0.06), 0 0 24px rgba(255, 230, 0, 0.08);
}

.security-flow-connector {
    position: relative;
    width: 3.5rem;
    height: 1px;
    background: rgba(255, 230, 0, 0.45);
}

.security-flow-connector::before,
.security-flow-connector::after,
.security-flow-connector span {
    content: "";
    position: absolute;
    top: 50%;
    width: 0.38rem;
    height: 0.38rem;
    transform: translateY(-50%);
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 8px var(--signal);
}

.security-flow-connector::before { left: 0; }
.security-flow-connector::after { right: 0; }
.security-flow-connector span {
    left: 0;
    animation: security-packet 2.2s linear infinite;
}

@keyframes security-packet {
    from { transform: translate(0, -50%); opacity: 0.3; }
    50% { opacity: 1; }
    to { transform: translate(3.1rem, -50%); opacity: 0.3; }
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.solution-card {
    min-height: 13rem;
    padding: 1.3rem;
    background: #fff;
    border: 1px solid var(--line);
    border-top: 3px solid var(--signal);
}

.solution-number {
    display: block;
    color: var(--muted);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.76rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.solution-card h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.02rem;
    margin-bottom: 0.5rem;
}

.solution-card p {
    color: var(--muted);
    font-size: 0.86rem;
    line-height: 1.55;
}

.solution-roadmap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.solution-roadmap > div {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 0.7rem;
    align-items: start;
}

.solution-roadmap span {
    grid-row: span 2;
    color: var(--signal-deep);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
}

.solution-roadmap strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.9rem;
}

.solution-roadmap p {
    grid-column: 2;
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.45;
}


/* ================= PROCESS ================= */

.process-section {
    background: #0b0b0b;
    color: #fff;
}

.process-flow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
}

.process-node {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.process-dot {
    width: 2rem;
    height: 2rem;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--signal);
    color: #000;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
}

.process-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--signal), rgba(255, 230, 0, 0.15));
}

.process-flow h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.08rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.process-flow p {
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.9rem;
    line-height: 1.55;
}


/* ================= ABOUT ================= */

.about {
    background: var(--paper);
}

.industries {
    background: #fff;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.industry-card {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    min-height: 8.5rem;
    padding: 1.35rem;
    border: 1px solid var(--line);
    border-left: 3px solid var(--signal);
    background: var(--surface);
    transition: transform 0.25s var(--ease), box-shadow 0.25s ease;
}

.industry-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(11, 11, 11, 0.08);
}

.industry-card strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.05rem;
}

.industry-card span {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.5;
}

.why-us {
    background: #0b0b0b;
    color: #fff;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.why-card {
    padding: 1.35rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.035);
}

.why-card > span {
    display: block;
    margin-bottom: 2rem;
    color: var(--signal);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
}

.why-card h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.why-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.88rem;
    line-height: 1.55;
}

.about-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.stack-diagram {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    padding: 1.5rem;
    background: #000;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stack-layer {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 1rem 1.15rem;
    background: #161616;
    border-left: 3px solid rgba(255, 230, 0, 0.35);
    color: #fff;
    transform: translateX(calc(var(--i) * 8px));
    transition: background 0.2s ease, border-color 0.2s ease;
}

.stack-layer:hover,
.stack-layer-top {
    border-left-color: var(--signal);
    background: #1c1c1c;
}

.stack-layer span {
    font-family: "Space Grotesk", sans-serif;
    font-weight: 600;
    font-size: 1rem;
}

.stack-layer small {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
}

.stack-layer-top {
    background: linear-gradient(90deg, rgba(255, 230, 0, 0.14), #1c1c1c);
}

.about-copy h2 {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.65rem, 3vw, 2.2rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.2;
    margin: 0.55rem 0 1.15rem;
}

.about-copy > p {
    color: var(--muted);
    margin-bottom: 0.95rem;
    max-width: 48ch;
}

.capability-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem 1.35rem;
    margin-top: 1.5rem;
}

.capability-list li {
    position: relative;
    padding-left: 0.95rem;
    font-weight: 600;
    font-size: 0.92rem;
}

.capability-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 0.35rem;
    height: 0.35rem;
    background: var(--signal);
}


/* ================= CTA ================= */

.cta {
    padding: clamp(3rem, 6vw, 4rem) 0;
    background: #111;
    color: #fff;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cta h2 {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.45rem, 2.8vw, 1.95rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 0.45rem;
}

.cta p {
    color: rgba(255, 255, 255, 0.6);
    max-width: 42ch;
}


/* ================= CONTACT ================= */

.contact {
    background: var(--surface);
}

.contact-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: clamp(2rem, 5vw, 3.75rem);
    align-items: start;
}

.contact-aside {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--line);
}

.contact-row {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
}

.contact-ico {
    width: 2.35rem;
    height: 2.35rem;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: #111;
    color: var(--signal);
}

.contact-ico svg {
    width: 1.1rem;
    height: 1.1rem;
}

.contact-row .label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.3rem;
}

.contact-row a,
.contact-row p {
    font-size: 1rem;
    font-weight: 600;
}

.contact-row a:hover {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--signal);
    text-underline-offset: 3px;
}

.contact-note {
    font-size: 0.88rem;
    color: var(--muted);
    font-weight: 500;
    line-height: 1.55;
    padding-top: 0.25rem;
    border-top: 1px solid var(--line);
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-form label {
    display: grid;
    gap: 0.35rem;
}

.contact-form label span {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--ink-soft);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.85rem 0.95rem;
    border: 1px solid var(--line);
    border-radius: 2px;
    background: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--ink);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--ink);
    box-shadow: 0 0 0 3px rgba(255, 230, 0, 0.28);
}

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

.contact-form textarea::placeholder {
    color: #9a9a9a;
}

.contact-form button {
    justify-self: start;
    margin-top: 0.25rem;
}


/* ================= FOOTER ================= */

footer {
    background: #000;
    color: #fff;
    padding-top: 2.75rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    padding-bottom: 2.25rem;
}

.footer-logo {
    margin-bottom: 0.65rem;
}

.footer-logo .logo-img {
    height: 42px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.88rem;
    margin-bottom: 0.45rem;
}

.footer-email {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.78);
}

.footer-email:hover {
    color: var(--signal);
}

.footer-phones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.85rem;
    margin-top: 0.4rem;
}

.footer-phones a {
    font-size: 0.86rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.78);
}

.footer-phones a:hover {
    color: var(--signal);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.88rem;
    font-weight: 500;
}

.footer-nav a:hover {
    color: #fff;
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.1rem;
    color: rgba(255, 255, 255, 0.38);
    font-size: 0.78rem;
}


/* ================= MOTION ================= */

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes board-in {
    from {
        opacity: 0;
        transform: translateY(-46%) translateX(24px);
    }
    to {
        opacity: 0.95;
        transform: translateY(-50%) translateX(0);
    }
}

@keyframes circuit-flow {
    to {
        stroke-dashoffset: -242;
    }
}

@keyframes hero-scan {
    0% {
        transform: translateY(0);
        opacity: 0;
    }
    12%,
    82% {
        opacity: 0.65;
    }
    100% {
        transform: translateY(900px);
        opacity: 0;
    }
}

@keyframes circuit-pulse {
    0%,
    100% {
        opacity: 0.35;
        transform: scale(0.8);
        transform-box: fill-box;
        transform-origin: center;
    }
    50% {
        opacity: 1;
        transform: scale(1.35);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

}

/* ================= ENGINEERING TOOLS ================= */

.tools-picker {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.15rem;
    background: #000;
    color: #fff;
}

.tools-picker label {
    color: var(--signal);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
}

.tools-picker select {
    min-width: min(100%, 320px);
    padding: 0.7rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: #111;
    color: #fff;
    font: inherit;
}

.tool-single-wrap {
    max-width: 760px;
}

.tool-single-wrap .page-hero-back {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
}

.tool-card-single h1 {
    margin: 0.25rem 0 0;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.7rem;
    line-height: 1.2;
}

.tool-card-single {
    position: relative;
    overflow: hidden;
    border-top-width: 4px;
    box-shadow: 0 18px 45px rgba(11, 11, 11, 0.09);
}

.divider-input-block,
.divider-output-block {
    grid-column: 1 / -1;
    position: relative;
    z-index: 1;
    padding: 1.25rem;
    border: 1px solid rgba(11, 11, 11, 0.1);
    background: #f6f8fb;
}

.divider-output-block {
    margin-top: 0.85rem;
    background: #fff;
    border-left: 3px solid var(--signal);
}

.divider-input-block h3,
.divider-output-block h3 {
    margin-bottom: 1rem;
    color: var(--ink);
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.05rem;
}

.divider-input-block label,
.divider-output-block label {
    display: grid;
    grid-template-columns: minmax(190px, 0.78fr) minmax(0, 1.22fr);
    align-items: center;
    gap: 1rem;
    margin-top: 0.8rem;
    color: var(--ink-soft);
    font-size: 0.85rem;
    font-weight: 700;
}

.divider-field-label {
    display: block;
    line-height: 1.35;
}

.input-with-unit {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(145px, 0.72fr);
    gap: 0.55rem;
}

.input-with-unit input,
.input-with-unit select {
    width: 100%;
    min-height: 3rem;
    padding: 0.75rem;
    border: 1px solid rgba(11, 11, 11, 0.18);
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.input-with-unit input::placeholder {
    color: #8993a0;
}

.unit-label {
    display: flex;
    align-items: center;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 500;
}

.output-with-unit {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.55rem;
}

.divider-calculate {
    margin-top: 1.1rem;
    padding-inline: 1.4rem;
}

.divider-output-value {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.75rem;
    background: #fffdf0;
    border: 1px solid var(--signal-deep);
    color: var(--ink);
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.1rem;
}

.divider-output-value span {
    display: block;
    margin-top: 0.2rem;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.76rem;
    font-weight: 500;
}

.divider-circuit {
    margin: 1.35rem 0 0.2rem;
    padding: 1rem;
    border: 1px solid rgba(11, 11, 11, 0.1);
    background: #101820;
    color: #fff;
}

.divider-circuit svg {
    display: block;
    width: 100%;
    min-height: 210px;
}

.circuit-wire,
.circuit-resistor {
    fill: none;
    stroke: #f1b51d;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.circuit-resistor {
    stroke: #fff;
    stroke-width: 5;
}

.circuit-resistor-vertical {
    stroke-linecap: round;
}

.circuit-battery {
    fill: none;
    stroke: #fff;
    stroke-width: 5;
    stroke-linecap: round;
}

.circuit-output-lead,
.circuit-output-bracket {
    fill: none;
    stroke: #fff;
    stroke-width: 3;
    stroke-linecap: round;
}

.circuit-terminal {
    fill: #101820;
    stroke: #fff;
    stroke-width: 3;
}

.circuit-polarity {
    fill: #fff;
    font-size: 20px;
}

.divider-circuit-textbook .circuit-wire {
    stroke: #fff;
    stroke-width: 3;
}

.divider-circuit-textbook .circuit-label-main,
.divider-circuit-textbook .circuit-value {
    fill: #f1b51d;
}

.divider-circuit-textbook .circuit-label {
    font-size: 17px;
}

.divider-circuit-textbook .circuit-value {
    font-size: 12px;
}

.circuit-current {
    fill: none;
    stroke: #f1b51d;
    stroke-width: 3;
    stroke-linecap: round;
}

.circuit-node {
    fill: #f1b51d;
    stroke: #fff;
    stroke-width: 3;
}

.circuit-ground {
    fill: none;
    stroke: #9aa8b6;
    stroke-width: 3;
    stroke-linecap: round;
}

.circuit-label,
.circuit-value {
    fill: #fff;
    font-family: "Space Grotesk", sans-serif;
    font-size: 15px;
    font-weight: 700;
}

.circuit-label-main,
.circuit-value {
    fill: #f1b51d;
}

.circuit-value {
    font-size: 12px;
    font-weight: 500;
}

.circuit-caption {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 1.2rem;
    margin-top: 0.35rem;
    color: #b9c4cf;
    font-size: 0.72rem;
}

.circuit-caption span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.circuit-legend {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: #f1b51d;
}

.circuit-legend.output {
    background: #fff;
}

.circuit-legend.ground {
    background: #9aa8b6;
}

.principle-divider .graphic-node {
    animation: divider-node 2.6s ease-in-out infinite;
}

.principle-divider .graphic-node:nth-of-type(2) {
    animation-delay: -0.8s;
}

@keyframes divider-node {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.tool-card-single::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 12rem;
    height: 12rem;
    background: radial-gradient(circle, rgba(255, 230, 0, 0.18), transparent 68%);
    pointer-events: none;
}

.principle-graphic {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 0.5fr 1fr 0.5fr 1fr;
    align-items: center;
    gap: 0.6rem;
    min-height: 8rem;
    margin: 1.4rem 0 1.2rem;
    padding: 1rem;
    overflow: hidden;
    background: linear-gradient(135deg, #050505, #181818);
    border: 1px solid rgba(255, 230, 0, 0.3);
}

.graphic-node {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    min-height: 3.2rem;
    padding: 0.5rem;
    border: 1px solid rgba(255, 230, 0, 0.6);
    color: var(--signal);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.graphic-core {
    background: var(--signal);
    color: #000;
    box-shadow: 0 0 26px rgba(255, 230, 0, 0.22);
}

.graphic-line {
    position: relative;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--signal), transparent);
}

.graphic-line::after {
    content: "";
    position: absolute;
    top: -3px;
    left: 20%;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 10px var(--signal);
    animation: tool-signal 1.8s linear infinite;
}

.graphic-line:nth-of-type(2)::after {
    animation-delay: -0.9s;
}

.graphic-pulse {
    position: absolute;
    left: 10%;
    top: 18%;
    width: 5rem;
    height: 5rem;
    border: 1px solid rgba(255, 230, 0, 0.24);
    border-radius: 50%;
    animation: tool-radar 2.8s ease-out infinite;
}

.graphic-pulse:nth-child(2) {
    animation-delay: -1.4s;
}

@keyframes tool-signal {
    from { transform: translateX(-14px); opacity: 0; }
    18%, 80% { opacity: 1; }
    to { transform: translateX(110px); opacity: 0; }
}

@keyframes tool-radar {
    from { transform: scale(0.35); opacity: 0.7; }
    to { transform: scale(2.2); opacity: 0; }
}

.principle-divider .graphic-core,
.principle-led .graphic-core,
.principle-bom .graphic-core {
    border-radius: 50%;
}

.tool-theory {
    margin-top: 1.5rem;
    padding: 2rem;
    background: #111;
    color: #fff;
    box-shadow: 0 18px 45px rgba(11, 11, 11, 0.1);
}

.theory-heading {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.theory-icon {
    display: grid;
    place-items: center;
    width: 2.8rem;
    height: 2.8rem;
    border: 1px solid var(--signal);
    color: var(--signal);
    font-size: 1.5rem;
}

.tool-theory h2 {
    margin-top: 0.25rem;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.5rem;
}

.tool-theory > p {
    max-width: 70ch;
    margin: 1.2rem 0;
    color: rgba(255, 255, 255, 0.72);
}

.formula-box {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1.25rem 0;
    padding: 1rem 1.1rem;
    border-left: 3px solid var(--signal);
    background: rgba(255, 255, 255, 0.06);
}

.formula-box span {
    color: var(--signal);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.formula-box strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.08rem;
    font-weight: 600;
}

.working-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.working-grid h3 {
    margin-bottom: 0.7rem;
    color: var(--signal);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.92rem;
}

.working-grid p,
.working-grid li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    line-height: 1.6;
}

.working-grid ol {
    display: grid;
    gap: 0.55rem;
    counter-reset: tool-step;
}

.working-grid li {
    counter-increment: tool-step;
    position: relative;
    padding-left: 1.8rem;
}

.working-grid li::before {
    content: counter(tool-step, decimal-leading-zero);
    position: absolute;
    left: 0;
    color: var(--signal);
    font-weight: 700;
}

.theory-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1rem;
}

.theory-tags span {
    padding: 0.3rem 0.55rem;
    border: 1px solid rgba(255, 230, 0, 0.35);
    color: var(--signal);
    font-size: 0.68rem;
    font-weight: 700;
}

.tools-hero {
    background: #000;
    color: #fff;
}

.tools-hero .eyebrow,
.tools-hero p {
    color: rgba(255, 255, 255, 0.68);
}

    .tools-hero h1 {
        max-width: 720px;
    }

    .tools-hero-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.75rem;
        max-width: 620px;
        margin-top: 2.2rem;
    }

    .tools-hero-grid span {
        padding: 0.85rem 1rem;
        border: 1px solid rgba(255, 230, 0, 0.35);
        color: var(--signal);
        font-family: "Space Grotesk", sans-serif;
        font-size: 0.72rem;
        font-weight: 700;
        letter-spacing: 0.14em;
        text-align: center;
    }

    .tools-section {
        background: var(--paper);
    }

    .tools-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.25rem;
    }

    .tool-card {
        padding: 1.6rem;
        background: #fff;
        border: 1px solid var(--line);
        border-top: 3px solid var(--ink);
        box-shadow: 0 10px 30px rgba(11, 11, 11, 0.04);
    }

    .tool-heading {
        display: flex;
        gap: 0.8rem;
        align-items: flex-start;
    }

    .tool-index {
        color: var(--signal-deep);
        font-family: "Space Grotesk", sans-serif;
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.08em;
    }

    .tool-card h2 {
        margin: 0.25rem 0 0;
        font-family: "Space Grotesk", sans-serif;
        font-size: 1.25rem;
        line-height: 1.25;
    }

    .tool-description {
        min-height: 3.3rem;
        margin: 1rem 0 1.2rem;
        color: var(--muted);
        font-size: 0.9rem;
    }

    .tool-fields {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.8rem;
    }

    .tool-fields label {
        color: var(--ink-soft);
        font-size: 0.78rem;
        font-weight: 700;
    }

    .tool-fields input,
    .tool-fields select,
    .bom-table input {
        width: 100%;
        margin-top: 0.35rem;
        padding: 0.68rem 0.7rem;
        border: 1px solid rgba(11, 11, 11, 0.18);
        border-radius: 2px;
        background: #fff;
        color: var(--ink);
        font: inherit;
        font-size: 0.9rem;
    }

    .tool-fields small {
        color: var(--muted);
        font-size: 0.72rem;
        font-weight: 500;
    }

    .tool-result {
        display: flex;
        flex-direction: column;
        gap: 0.2rem;
        margin-top: 1.25rem;
        padding: 0.95rem 1rem;
        background: #000;
        color: #fff;
    }

    .tool-result strong {
        color: var(--signal);
        font-family: "Space Grotesk", sans-serif;
        font-size: 1.15rem;
    }

    .tool-result span {
        color: rgba(255, 255, 255, 0.68);
        font-size: 0.8rem;
    }

    .tool-note {
        margin-top: 0.8rem;
        color: var(--muted);
        font-size: 0.74rem;
        line-height: 1.5;
    }

    .bom-card {
        grid-column: 1 / -1;
    }

    .bom-table-wrap {
        overflow-x: auto;
    }

    .bom-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 0.82rem;
    }

    .bom-table th {
        padding: 0 0.5rem 0.55rem;
        color: var(--muted);
        font-size: 0.7rem;
        letter-spacing: 0.05em;
        text-align: left;
        text-transform: uppercase;
    }

    .bom-table td {
        padding: 0.25rem 0.5rem;
        border-top: 1px solid var(--line);
    }

    .bom-table td:nth-child(2) {
        min-width: 80px;
    }

    .bom-table td:nth-child(3) {
        min-width: 125px;
    }

    .bom-table td:nth-child(4) {
        min-width: 100px;
        font-weight: 700;
        white-space: nowrap;
    }

    .bom-remove {
        width: 2rem;
        height: 2rem;
        border: 0;
        background: transparent;
        color: var(--muted);
        cursor: pointer;
        font-size: 1.3rem;
    }

    .bom-remove:hover {
        color: #c00;
    }

    .bom-actions {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        margin-top: 1rem;
    }

    .bom-actions strong {
        font-family: "Space Grotesk", sans-serif;
        font-size: 1.1rem;
    }

    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

@media (max-width: 780px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .bom-card {
        grid-column: auto;
    }

    .working-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 520px) {
    .tools-picker {
        align-items: stretch;
        flex-direction: column;
    }

    .tools-picker select {
        min-width: 0;
    }

    .tools-hero-grid,
    .tool-fields {
        grid-template-columns: 1fr;
    }

    .tool-card {
        padding: 1.2rem;
    }

    .divider-input-block label,
    .divider-output-block label {
        grid-template-columns: 1fr;
        gap: 0.45rem;
    }

    .input-with-unit {
        grid-template-columns: minmax(0, 1fr) minmax(110px, 0.8fr);
    }

    .output-with-unit {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .tool-theory {
        padding: 1.25rem;
    }

    .principle-graphic {
        gap: 0.25rem;
        padding: 0.6rem;
    }

    .graphic-node {
        min-height: 2.8rem;
        font-size: 0.54rem;
    }

    .bom-actions {
        align-items: flex-start;
        flex-direction: column;
    }
}

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


/* ================= RESPONSIVE ================= */

@media (max-width: 960px) {
    .menu-button {
        display: flex;
    }

    .security-flow {
        grid-template-columns: 1fr;
    }

    .security-flow-connector {
        width: 1px;
        height: 1.5rem;
        margin: 0 auto;
    }

    .security-flow-connector span {
        left: 50%;
        top: 0;
        animation-name: security-packet-vertical;
    }

    .security-flow-connector::before {
        left: 50%;
        top: 0;
    }

    .security-flow-connector::after {
        right: auto;
        left: 50%;
        top: auto;
        bottom: 0;
    }

    .nav-cta {
        display: none;
    }

    @keyframes security-packet-vertical {
        from { transform: translate(-50%, 0); opacity: 0.3; }
        50% { opacity: 1; }
        to { transform: translate(-50%, 1.25rem); opacity: 0.3; }
    }

    #navMenu {
        display: none;
        position: absolute;
        top: var(--nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: #000;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 0.35rem 0;
    }

    #navMenu.active {
        display: flex;
    }

    #navMenu a {
        padding: 0.85rem 4%;
        color: rgba(255, 255, 255, 0.85);
    }

    .nav-dropdown {
        width: 100%;
    }

    .nav-dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 0.85rem 4%;
        color: rgba(255, 255, 255, 0.85);
        text-align: left;
    }

    .nav-dropdown-menu,
    .nav-dropdown:hover .nav-dropdown-menu,
    .nav-dropdown:focus-within .nav-dropdown-menu {
        position: static;
        display: none;
        min-width: 0;
        padding: 0 0 0.35rem;
        border: 0;
        box-shadow: none;
        opacity: 1;
        transform: none;
    }

    .nav-dropdown.is-open .nav-dropdown-menu {
        display: grid;
    }

    .nav-dropdown-menu::before {
        display: none;
    }

    .nav-dropdown-menu a {
        padding: 0.65rem 8%;
        background: rgba(255, 255, 255, 0.04);
    }

    .trust-bar-inner {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .hero-board {
        opacity: 0.25;
        width: min(70vw, 320px);
        right: -4%;
    }

    .hero-circuit {
        opacity: 0.48;
    }

    .service-grid {
        grid-template-columns: 1fr 1fr;
    }

    .manufacturing-showcase {
        grid-template-columns: 1fr;
    }

    .manufacturing-copy h3 {
        max-width: 24ch;
    }

    .project-gallery-heading {
        display: block;
    }

    .project-gallery-heading > p {
        margin-top: 0.65rem;
    }

    .solution-feature {
        grid-template-columns: 1fr;
    }

    .solution-feature-side {
        padding: 1rem 0 0;
        border-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.14);
    }

    .solution-grid,
    .solution-roadmap {
        grid-template-columns: 1fr 1fr;
    }

    .industry-grid {
        grid-template-columns: 1fr 1fr;
    }

    .why-grid {
        grid-template-columns: 1fr 1fr;
    }

    .about-layout,
    .contact-layout,
    .cta-inner {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
    }

    .stack-layer {
        transform: none;
    }

    .process-flow {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .process-line {
        display: none;
    }

    .process-node {
        margin-bottom: 0.65rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .logo-img {
        height: 42px;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .solution-grid,
    .solution-roadmap {
        grid-template-columns: 1fr;
    }

    .industry-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }

    .hero-board {
        display: none;
    }

    .capability-list {
        grid-template-columns: 1fr;
    }

    .hero-capabilities {
        grid-template-columns: 1fr;
    }

    .footer-top {
        flex-direction: column;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        width: 100%;
    }
}


/* ================= PRODUCTS PAGE ================= */

.page-hero {
    background: #000;
    color: #fff;
    padding: clamp(3rem, 7vw, 4.5rem) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-hero .eyebrow {
    color: var(--signal);
}

.page-hero h1 {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    margin: 0.5rem 0 0.85rem;
}

.page-hero p:last-child {
    max-width: 46ch;
    color: rgba(255, 255, 255, 0.65);
}

.page-hero h1 {
    max-width: 18ch;
}

.page-hero-inner > .page-hero-back {
    display: inline-flex;
    margin-top: 1.4rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.82rem;
    font-weight: 700;
}

.page-hero-back:hover {
    color: var(--signal);
}

/* ================= SOLUTIONS PAGE ================= */

.solution-page-hero {
    background:
        radial-gradient(circle at 78% 30%, rgba(255, 230, 0, 0.12), transparent 24rem),
        #050505;
}

.solution-category-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.75rem;
}

.solution-category {
    padding: 0.55rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.58);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.solution-category.active {
    border-color: var(--signal);
    color: var(--signal);
}

.solutions-catalogue-section {
    background: var(--surface);
}

.solution-catalogue-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.solution-catalogue-card {
    display: flex;
    flex-direction: column;
    min-height: 25rem;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border: 1px solid var(--line);
    background: #fff;
}

.solution-catalogue-card.dark {
    border-color: #111;
    background: #111;
    color: #fff;
}

.solution-catalogue-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    color: var(--muted);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.solution-catalogue-card.dark .solution-catalogue-meta {
    color: rgba(255, 255, 255, 0.58);
}

.solution-catalogue-meta span:first-child {
    color: var(--signal);
}

.solution-catalogue-card h3 {
    max-width: 22ch;
    margin: 3rem 0 1rem;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.45rem, 2.6vw, 2.15rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.solution-catalogue-card p {
    max-width: 58ch;
    color: var(--muted);
    line-height: 1.65;
}

.solution-catalogue-card.dark p {
    color: rgba(255, 255, 255, 0.65);
}

.solution-catalogue-card ul {
    display: grid;
    gap: 0.55rem;
    margin: 1.25rem 0 2rem;
    padding: 0;
    list-style: none;
}

.solution-catalogue-card li {
    padding-left: 1.1rem;
    color: #222;
    font-size: 0.88rem;
}

.solution-catalogue-card.dark li {
    color: rgba(255, 255, 255, 0.72);
}

.solution-catalogue-card li::before {
    content: "↗";
    margin-left: -1.1rem;
    margin-right: 0.45rem;
    color: var(--signal);
}

.solution-catalogue-card .btn {
    align-self: flex-start;
    margin-top: auto;
}

.solution-selection-section {
    background: var(--paper);
}

.solution-selection-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    align-items: end;
    gap: 3rem;
}

.solution-selection-grid h2 {
    max-width: 14ch;
    margin-top: 0.5rem;
}

.solution-selection-grid > p {
    max-width: 58ch;
    color: var(--muted);
    line-height: 1.75;
}

.solution-detail-section {
    background: var(--surface);
}

.solution-detail-intro {
    max-width: 52rem;
    margin-bottom: 2.25rem;
}

.solution-detail-intro h2 {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
    margin: 0.55rem 0 1rem;
}

.solution-lead {
    color: var(--muted);
    font-size: 1.08rem;
    max-width: 66ch;
}

.solution-detail-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1rem;
}

.solution-detail-card {
    padding: clamp(1.4rem, 3vw, 2rem);
    border: 1px solid var(--line);
    background: #fff;
}

.solution-detail-card.dark {
    background: #111;
    color: #fff;
    border-color: #111;
}

.solution-detail-card h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.solution-detail-card p {
    color: var(--muted);
    line-height: 1.65;
    margin-bottom: 0.85rem;
}

.solution-detail-card.dark p {
    color: rgba(255, 255, 255, 0.65);
}

.scada-visual {
    margin-top: 1rem;
    padding: 1.25rem;
    background: #050505;
    border: 1px solid rgba(11, 11, 11, 0.14);
    overflow: hidden;
}

.scada-visual-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.scada-visual-heading .solution-kicker {
    margin: 0;
}

.scada-visual-heading strong {
    color: #fff;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.95rem;
}

.scada-visual svg {
    display: block;
    width: 100%;
    min-width: 680px;
    height: auto;
}

.scada-connectors path {
    fill: none;
    stroke: url(#scada-line);
    stroke-width: 2;
    stroke-dasharray: 5 9;
    animation: scada-flow 5s linear infinite;
}

.scada-packets circle {
    fill: var(--signal);
    filter: drop-shadow(0 0 5px rgba(255, 230, 0, 0.8));
    animation: scada-pulse 2.3s ease-in-out infinite;
}

.scada-packets circle:nth-child(2n) {
    animation-delay: -0.8s;
}

.scada-packets circle:nth-child(3n) {
    animation-delay: -1.5s;
}

.scada-node rect {
    fill: #151515;
    stroke: rgba(255, 255, 255, 0.2);
    stroke-width: 1;
}

.scada-node text {
    fill: #fff;
    font-family: "Space Grotesk", sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.scada-node .scada-subtext {
    fill: rgba(255, 255, 255, 0.52);
    font-family: "Manrope", sans-serif;
    font-size: 9px;
    font-weight: 500;
    letter-spacing: 0;
}

.station-node rect {
    stroke: rgba(255, 230, 0, 0.55);
}

.network-node rect,
.server-node rect {
    stroke: rgba(255, 230, 0, 0.3);
}

.dashboard-node rect {
    stroke: rgba(255, 255, 255, 0.35);
}

.catalogue-visual {
    position: absolute;
    right: 0;
    bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.65rem;
    border: 1px solid rgba(255, 230, 0, 0.25);
    background: rgba(0, 0, 0, 0.35);
}

.page-hero-inner {
    position: relative;
}

.catalogue-chip {
    position: relative;
    z-index: 1;
    padding: 0.65rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--signal);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.catalogue-pulse {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 9px rgba(255, 230, 0, 0.8);
    animation: catalogue-signal 3.5s linear infinite;
}

.catalogue-pulse:nth-child(1) {
    left: 12%;
    top: 50%;
}

.catalogue-pulse:nth-child(2) {
    left: 48%;
    top: 50%;
    animation-delay: -1.2s;
}

.catalogue-pulse:nth-child(3) {
    left: 82%;
    top: 50%;
    animation-delay: -2.4s;
}

@keyframes scada-flow {
    to {
        stroke-dashoffset: -56;
    }
}

@keyframes scada-pulse {
    0%,
    100% {
        opacity: 0.35;
        transform: scale(0.75);
        transform-box: fill-box;
        transform-origin: center;
    }
    50% {
        opacity: 1;
        transform: scale(1.35);
    }
}

@keyframes catalogue-signal {
    0% {
        transform: translateX(0);
        opacity: 0;
    }
    20%,
    80% {
        opacity: 1;
    }
    100% {
        transform: translateX(160px);
        opacity: 0;
    }
}

.architecture-list {
    display: grid;
    gap: 0.85rem;
    margin-top: 1.25rem;
}

.architecture-list li {
    display: grid;
    gap: 0.1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--signal);
}

.architecture-list strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.95rem;
}

.architecture-list span {
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.82rem;
}

.solution-capabilities-section {
    background: var(--paper);
}

.technical-section {
    background: #0b0b0b;
    color: #fff;
}

.technical-section .eyebrow {
    color: var(--signal);
}

.technical-section .section-intro p:last-child {
    color: rgba(255, 255, 255, 0.62);
}

.technical-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.technical-card {
    display: grid;
    gap: 0.45rem;
    min-height: 8.5rem;
    padding: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.035);
}

.technical-card strong {
    color: var(--signal);
    font-family: "Space Grotesk", sans-serif;
}

.technical-card span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.88rem;
    line-height: 1.55;
}

.deployment-section {
    background: #fff;
}

.benefits-section {
    background: var(--paper);
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.benefit-card {
    padding: 1.35rem;
    border-top: 3px solid var(--signal);
    background: #fff;
}

.benefit-card h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.55;
}

.traceability-section {
    background: #fff;
}

.traceability-flow {
    margin-top: 1rem;
    padding: 1.25rem;
    background: #050505;
    overflow: hidden;
}

.traceability-flow-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.traceability-flow-heading strong {
    color: #fff;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.95rem;
}

.traceability-flow-track {
    display: grid;
    grid-template-columns: 1fr 0.35fr 1fr 0.35fr 1fr 0.35fr 1fr;
    align-items: center;
    min-width: 700px;
    gap: 0.65rem;
}

.traceability-node {
    min-height: 7.5rem;
    display: grid;
    align-content: center;
    gap: 0.35rem;
    padding: 1rem;
    border: 1px solid rgba(255, 230, 0, 0.42);
    background: #151515;
}

.traceability-node span {
    color: var(--signal);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.traceability-node strong {
    color: #fff;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.9rem;
}

.traceability-node small {
    color: rgba(255, 255, 255, 0.56);
    font-size: 0.75rem;
    line-height: 1.45;
}

.traceability-flow-track i {
    position: relative;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--signal), transparent);
}

.traceability-flow-track i::after {
    content: "";
    position: absolute;
    top: -3px;
    left: 35%;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 8px rgba(255, 230, 0, 0.8);
    animation: traceability-packet 2.4s linear infinite;
}

.traceability-flow-track i:nth-of-type(2)::after {
    animation-delay: -0.8s;
}

.traceability-flow-track i:nth-of-type(3)::after {
    animation-delay: -1.6s;
}

.traceability-capabilities-section,
.traceability-roadmap-section {
    background: var(--paper);
}

.traceability-technical-section {
    background: #111;
}

.traceability-value-section {
    background: #fff;
}

@keyframes traceability-packet {
    from {
        transform: translateX(-14px);
        opacity: 0;
    }
    20%,
    80% {
        opacity: 1;
    }
    to {
        transform: translateX(42px);
        opacity: 0;
    }
}

@media (max-width: 960px) {
    .solution-catalogue-grid,
    .solution-selection-grid {
        grid-template-columns: 1fr;
    }

    .solution-selection-grid {
        gap: 1.25rem;
    }

    .solution-detail-grid {
        grid-template-columns: 1fr;
    }

    .catalogue-visual {
        position: relative;
        right: auto;
        bottom: auto;
        width: fit-content;
        margin-top: 1.5rem;
    }

    .technical-grid {
        grid-template-columns: 1fr 1fr;
    }

    .benefit-grid {
        grid-template-columns: 1fr 1fr;
    }

    .traceability-flow-track {
        grid-template-columns: 1fr 0.22fr 1fr 0.22fr 1fr 0.22fr 1fr;
    }
}

@media (max-width: 600px) {
    .scada-visual-heading {
        display: block;
    }

    .scada-visual-heading strong {
        display: block;
        margin-top: 0.35rem;
    }

    .technical-grid,
    .benefit-grid {
        grid-template-columns: 1fr;
    }
}

#navMenu a.is-active {
    color: #fff;
}

#navMenu a.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.3rem;
    width: 100%;
    height: 2px;
    background: var(--signal);
}

.products-section {
    padding-top: 2.5rem;
}

.products-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.75rem;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.5rem 0.85rem;
    cursor: pointer;
    border-radius: 2px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--ink);
}

.filter-btn.is-active {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--signal);
}

.products-hint {
    font-size: 0.85rem;
    color: var(--muted);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
}

.product-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    overflow: hidden;
    transition: transform 0.25s var(--ease), border-color 0.2s ease;
}

.product-card:hover {
    transform: translateY(-3px);
    border-color: rgba(11, 11, 11, 0.2);
}

.product-visual {
    position: relative;
    height: 190px;
    background:
        linear-gradient(145deg, #111 0%, #1a1a1a 55%, #0b0b0b 100%);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 190px;
    object-fit: cover;
    display: block;
    cursor: zoom-in;
    transition: transform 0.45s var(--ease), filter 0.45s ease;
}

.product-card:hover .product-image {
    transform: scale(1.18);
    filter: brightness(1.08);
}

.product-mark {
    font-family: "Space Grotesk", sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--signal);
    opacity: 0.9;
}

.product-badge {
    position: absolute;
    top: 0.85rem;
    left: 0.85rem;
    background: var(--signal);
    color: #000;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.25rem 0.5rem;
}

.product-body {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1.2rem 1.15rem 1.25rem;
    flex: 1;
}

.product-category {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.product-body h2 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.25;
}

.product-body > p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.15rem;
}

.product-features li {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-soft);
    background: #f0f0f0;
    padding: 0.25rem 0.5rem;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 1rem;
}

.product-footer-enquiry {
    justify-content: flex-end;
}

.order-btn {
    padding: 0.65rem 0.9rem;
    font-size: 0.82rem;
    white-space: nowrap;
}

.products-empty {
    grid-column: 1 / -1;
    padding: 2rem;
    text-align: center;
    color: var(--muted);
    border: 1px dashed var(--line);
}

body.modal-open {
    overflow: hidden;
}

.order-modal[hidden] {
    display: none !important;
}

.order-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.order-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.62);
}

.order-modal-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 520px);
    max-height: min(92vh, 720px);
    overflow: auto;
    background: #fff;
    border: 1px solid var(--line);
    padding: 1.6rem 1.4rem 1.4rem;
}

.order-modal-close {
    position: absolute;
    top: 0.7rem;
    right: 0.85rem;
    border: none;
    background: transparent;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    color: var(--ink);
}

.order-modal-panel h2 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.45rem;
    font-weight: 600;
    margin: 0.35rem 0 0.4rem;
}

.order-lead {
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 0.9rem;
}

.order-product-summary {
    font-weight: 600;
    margin-bottom: 1.15rem;
    padding: 0.75rem 0.85rem;
    background: #111;
    color: var(--signal);
    font-size: 0.92rem;
}

.order-form {
    display: grid;
    gap: 0.9rem;
}

.order-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 0.2rem;
}

.order-fineprint {
    font-size: 0.8rem;
    color: var(--muted);
}

@media (max-width: 960px) {
    .product-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .product-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .page-hero {
        padding: 4rem 0 3.5rem;
    }

    .solution-category-strip {
        gap: 0.4rem;
    }

    .solution-category {
        font-size: 0.62rem;
    }

    .order-btn {
        width: 100%;
    }
}