:root {
    --lux-bg: #0A0A0A;
    --lux-panel: rgba(10, 10, 10, 0.62);
    --lux-panel-2: rgba(10, 10, 10, 0.46);
    --lux-text: #FFFFFF;
    --lux-muted: #888888;
    --lux-line: rgba(255, 255, 255, 0.15);
    --lux-line-2: rgba(255, 255, 255, 0.15);
    --lux-silver: #FFFFFF;
    --lux-accent: #E8001D;
    --lux-accent-2: #E8001D;
    --lux-shadow: none;
    --lux-shadow-soft: none;
    --lux-glass-blur: 14px;
}

/* Page-scoped cinematic background */
.cs-page {
    background:
        radial-gradient(900px 520px at 70% 10%, rgba(155, 179, 213, 0.12), transparent 60%),
        radial-gradient(800px 420px at 20% 35%, rgba(203, 213, 225, 0.08), transparent 55%),
        linear-gradient(180deg, #05060a 0%, #06070a 40%, #05060a 100%);
}

.cs-hero {
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding-top: 72px; /* space under fixed nav */
}

.cs-hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.06) contrast(1.02) brightness(0.86);
    transform: scale(1.02);
}

.cs-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.10) 0%, rgba(0, 0, 0, 0.70) 62%, rgba(0, 0, 0, 0.92) 100%),
        radial-gradient(1000px 680px at 30% 20%, rgba(155, 179, 213, 0.18), transparent 60%);
    pointer-events: none;
}

.cs-hero-overlay {
    position: relative;
    z-index: 2;
    width: min(980px, 100%);
    margin: 0 auto;
    padding: 0 6%;
    padding-bottom: 44px;
    text-align: center;
}

.cs-hero-title {
    font-family: 'Syne', 'Montserrat', 'Chakra Petch', sans-serif;
    color: rgba(245, 247, 252, 0.98);
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 1.08;
    margin-bottom: 14px;
}

.cs-hero-subtitle {
    color: var(--lux-muted);
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

.cs-hero-footer {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16px;
    z-index: 2;
    text-align: center;
    color: rgba(244, 246, 248, 0.72);
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    pointer-events: none;
}

/* Sticky side navigation */
.cs-side-nav {
    position: fixed;
    left: 18px;
    top: 120px;
    z-index: 1001;
    width: 210px;
    padding: 14px 12px;
    background: rgba(10, 11, 13, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    backdrop-filter: blur(10px);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    display: grid;
    gap: 10px;
}

.cs-side-nav__bar {
    height: 64px;
    width: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 999px;
    overflow: hidden;
    position: absolute;
    left: 22px;
    top: 12px;
}

.cs-side-nav__bar-fill {
    height: 40%;
    width: 100%;
    background: linear-gradient(180deg, rgba(155, 179, 213, 0.95), rgba(203, 213, 225, 0.55));
    border-radius: 999px;
    transform-origin: bottom;
    transform: scaleY(0.12);
}

.cs-side-nav__items {
    display: grid;
    gap: 10px;
    padding-left: 16px; /* room for the bar */
}

.cs-side-nav a {
    color: rgba(244, 246, 248, 0.86);
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.cs-side-nav a:hover {
    border-color: rgba(155, 179, 213, 0.35);
    background: rgba(155, 179, 213, 0.10);
}

.cs-side-nav a.active {
    color: rgba(246, 248, 252, 0.98);
    border-color: rgba(155, 179, 213, 0.56);
    background: rgba(155, 179, 213, 0.14);
}

.cs-main {
    padding-bottom: 80px;
}

.cs-section {
    padding: 84px 6%;
}

.cs-section--tight {
    padding-top: 54px;
}

.cs-section h2 {
    font-family: 'Syne', 'Montserrat', sans-serif;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(244, 246, 248, 0.96);
    font-size: clamp(1.2rem, 1.6vw, 1.8rem);
    margin-bottom: 18px;
}

/* Cards with glassmorphism */
.cs-grid-2 {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 18px;
}

.cs-grid-2--swap {
    grid-template-columns: 0.85fr 1.15fr;
}

.cs-glass {
    background: var(--lux-panel);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 18px;
    backdrop-filter: blur(var(--lux-glass-blur));
    box-shadow: var(--lux-shadow-soft);
}

.cs-card-pad {
    padding: 18px;
}

.cs-card-title {
    font-family: 'Syne', 'Montserrat', sans-serif;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.95rem;
    color: rgba(244, 246, 248, 0.93);
    margin-bottom: 10px;
}

.cs-muted {
    color: var(--lux-muted);
}

.cs-specs {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.92rem;
    line-height: 1.5;
    color: rgba(244, 246, 248, 0.92);
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 14px;
    overflow: auto;
}

.cs-specs code {
    color: rgba(203, 213, 225, 0.95);
}

/* Inspiration board horizontal scroll */
.cs-inspo {
    display: grid;
    gap: 14px;
}

.cs-inspo-row {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(260px, 1fr);
    gap: 14px;
    overflow-x: auto;
    padding: 6px 2px;
    scroll-snap-type: x mandatory;
}

.cs-inspo-row::-webkit-scrollbar {
    height: 10px;
}

.cs-inspo-row::-webkit-scrollbar-thumb {
    background: rgba(155, 179, 213, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
}

.cs-inspo-item {
    scroll-snap-align: start;
    min-height: 220px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background:
        radial-gradient(500px 260px at 20% 10%, rgba(155, 179, 213, 0.16), transparent 60%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.08));
    position: relative;
    overflow: hidden;
}

.cs-inspo-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(to right, rgba(203, 213, 225, 0.10) 1px, transparent 1px);
    background-size: 54px 100%;
    opacity: 0.22;
    pointer-events: none;
}

.cs-inspo-label {
    position: absolute;
    left: 14px;
    top: 14px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.24);
    color: rgba(244, 246, 248, 0.92);
    font-weight: 900;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    font-size: 0.72rem;
    backdrop-filter: blur(10px);
}

.cs-inspo-shot {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: rgba(244, 246, 248, 0.68);
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

/* Split-screen slider */
.cs-split {
    position: relative;
    height: 320px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(0, 0, 0, 0.18);
}

.cs-split__before {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: grayscale(0.20) contrast(1.03) brightness(0.95);
}

.cs-split__after {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: calc(var(--cs-split-pos, 50) * 1%);
    overflow: hidden;
}

.cs-split__after > * {
    width: 100%;
    height: 100%;
}

.cs-split__after-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.cs-split__range {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 12px 12px 10px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.62) 100%);
}

.cs-split__range input[type="range"] {
    width: 100%;
    accent-color: rgba(155, 179, 213, 0.95);
}

.cs-split__handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(var(--cs-split-pos, 50) * 1%);
    width: 2px;
    background: rgba(203, 213, 225, 0.85);
    box-shadow: 0 0 0 1px rgba(155, 179, 213, 0.30);
    pointer-events: none;
}

.cs-split__handle::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: radial-gradient(circle, rgba(203, 213, 225, 0.60), rgba(0, 0, 0, 0.2));
}

.cs-inline-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.cs-chip {
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(244, 246, 248, 0.86);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.72rem;
}

/* Blueprint diagram */
.cs-blueprint {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background:
        radial-gradient(700px 280px at 20% 20%, rgba(155, 179, 213, 0.18), transparent 60%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.10));
}

.cs-blueprint__inner {
    display: grid;
    grid-template-columns: 1fr;
    padding: 14px;
    gap: 12px;
}

.cs-blueprint__title {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    color: rgba(203, 213, 225, 0.92);
    text-transform: uppercase;
}

.cs-blueprint svg {
    width: 100%;
    height: 180px;
    display: block;
}

.cs-blueprint .node {
    filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.38));
    opacity: 0.95;
}

.cs-blueprint .node rect {
    fill: rgba(17, 19, 23, 0.62);
    stroke: rgba(255, 255, 255, 0.14);
}

.cs-blueprint .node text {
    fill: rgba(244, 246, 248, 0.90);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 12px;
    letter-spacing: 0.02em;
}

.cs-blueprint .wire {
    stroke: rgba(155, 179, 213, 0.55);
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-dasharray: 7 7;
    animation: csWireDash 8s linear infinite;
}

@keyframes csWireDash {
    to { stroke-dashoffset: -80; }
}

/* Audio waveform */
.cs-wave {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(0, 0, 0, 0.18);
    position: relative;
}

.cs-wave__canvas {
    width: 100%;
    height: 220px;
    display: block;
}

.cs-wave__hud {
    position: absolute;
    left: 14px;
    top: 14px;
    display: grid;
    gap: 6px;
    background: rgba(0, 0, 0, 0.30);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 14px;
    padding: 10px 12px;
    backdrop-filter: blur(10px);
}

.cs-wave__hud .label {
    color: rgba(170, 178, 191, 0.95);
    font-size: 0.78rem;
    letter-spacing: 0.10em;
    text-transform: uppercase;
}

.cs-wave__hud .value {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    color: rgba(244, 246, 248, 0.96);
    font-weight: 900;
    letter-spacing: 0.06em;
}

/* Immersive parallax shots */
.cs-immersive {
    min-height: 62vh;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.cs-immersive__bg {
    position: absolute;
    inset: -10%;
    background-size: cover;
    background-position: center;
    filter: saturate(1.02) contrast(1.04) brightness(0.78);
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.cs-immersive__overlay {
    position: relative;
    z-index: 2;
    padding: 84px 6%;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    height: 100%;
}

.cs-immersive__glass {
    width: min(560px, 100%);
    background: rgba(12, 15, 22, 0.40);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    backdrop-filter: blur(16px);
    box-shadow: 0 26px 70px rgba(0, 0, 0, 0.48);
    padding: 18px;
}

.cs-immersive__kicker {
    color: rgba(170, 178, 191, 0.95);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.82rem;
    margin-bottom: 10px;
}

.cs-immersive__headline {
    font-family: 'Syne', 'Montserrat', sans-serif;
    font-weight: 900;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: rgba(244, 246, 248, 0.96);
    font-size: 1.55rem;
    line-height: 1.2;
    margin-bottom: 10px;
}

.cs-immersive__copy {
    color: rgba(170, 178, 191, 0.95);
    line-height: 1.7;
}

/* Bento grid process */
.cs-bento {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(12, 1fr);
}

.cs-bento .bento {
    border-radius: 18px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.12));
    backdrop-filter: blur(12px);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
    position: relative;
    overflow: hidden;
}

.cs-bento .bento::after {
    content: "";
    position: absolute;
    inset: -2px;
    background-image: radial-gradient(circle at 20% 10%, rgba(155, 179, 213, 0.14), transparent 55%);
    pointer-events: none;
}

.cs-bento .bento h3 {
    font-family: 'Syne', 'Montserrat', sans-serif;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: rgba(244, 246, 248, 0.96);
}

.cs-bento .bento p {
    color: rgba(170, 178, 191, 0.95);
    line-height: 1.65;
    position: relative;
    z-index: 1;
}

.cs-bento .span-6 { grid-column: span 6; }
.cs-bento .span-7 { grid-column: span 7; }
.cs-bento .span-5 { grid-column: span 5; }
.cs-bento .span-4 { grid-column: span 4; }
.cs-bento .span-8 { grid-column: span 8; }
.cs-bento .span-12 { grid-column: span 12; }

/* Responsive */
@media (max-width: 980px) {
    .cs-grid-2 {
        grid-template-columns: 1fr;
    }

    .cs-side-nav {
        left: 12px;
        width: 180px;
    }

    .cs-bento .span-7,
    .cs-bento .span-5,
    .cs-bento .span-6,
    .cs-bento .span-4,
    .cs-bento .span-8 {
        grid-column: span 12;
    }
}

@media (max-width: 720px) {
    .cs-side-nav {
        display: none;
    }

    .cs-section {
        padding: 66px 5%;
    }
}