/* ==========================================================================
   3D Hero Scene — integrated with site theme (glass / monochrome)
   ========================================================================== */

.landing-hero-inner {
    display: grid;
    grid-template-columns: 1fr minmax(260px, 420px);
    align-items: center;
    gap: 48px;
    max-width: 1100px;
    margin: 0 auto;
}

.landing-hero-content {
    text-align: left;
}

.landing-hero-content .landing-hero-badge {
    margin-bottom: 28px;
}

.landing-hero-content h1 {
    text-align: left;
}

.landing-hero-content p {
    margin-left: 0;
    margin-right: 0;
}

.landing-hero-scene {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.landing-hero-hint {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
    pointer-events: none;
}

/* Perspective container — "camera" for the 3D world */
.scene-viewport {
    --scene-size: clamp(240px, 36vw, 400px);
    --perspective: 1200px;

    perspective: var(--perspective);
    -webkit-perspective: var(--perspective);
    perspective-origin: 50% 50%;
    width: var(--scene-size);
    height: var(--scene-size);
    cursor: grab;
    touch-action: none;
}

.scene-viewport:active {
    cursor: grabbing;
}

/* Root transform group — all 3D objects live inside */
.scene-world {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    transform: rotateX(-18deg) rotateY(25deg);
    -webkit-transform: rotateX(-18deg) rotateY(25deg);
    will-change: transform;
}

.scene-world.spinning {
    animation: prism-auto-spin 24s linear infinite;
}

@keyframes prism-auto-spin {
    from { transform: rotateX(-18deg) rotateY(0deg); }
    to   { transform: rotateX(-18deg) rotateY(360deg); }
}

/* Central glass cube */
.shape-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 130px;
    height: 130px;
    margin: -65px 0 0 -65px;
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    animation: prism-core-pulse 4s ease-in-out infinite;
}

@keyframes prism-core-pulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.05); }
}

.face {
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1),
        rgba(100, 116, 139, 0.06)
    );
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow:
        inset 0 0 24px rgba(255, 255, 255, 0.06),
        0 0 18px rgba(255, 255, 255, 0.04);
}

.face-front  { transform: translateZ(65px);  -webkit-transform: translateZ(65px); }
.face-back   { transform: rotateY(180deg) translateZ(65px);  -webkit-transform: rotateY(180deg) translateZ(65px); }
.face-right  { transform: rotateY(90deg) translateZ(65px);  -webkit-transform: rotateY(90deg) translateZ(65px); }
.face-left   { transform: rotateY(-90deg) translateZ(65px); -webkit-transform: rotateY(-90deg) translateZ(65px); }
.face-top    { transform: rotateX(90deg) translateZ(65px);  -webkit-transform: rotateX(90deg) translateZ(65px); }
.face-bottom { transform: rotateX(-90deg) translateZ(65px); -webkit-transform: rotateX(-90deg) translateZ(65px); }

/* Logo on the front face of the central cube */
.cube-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 76px;
    height: 76px;
    margin: -38px 0 0 -38px;
    transform: translateZ(68px);
    -webkit-transform: translateZ(68px);
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    pointer-events: none;
    z-index: 2;
}

.cube-logo .brand-mark {
    width: 100%;
    height: 100%;
    border-radius: 18px;
}

.cube-logo .brand-mark-inner {
    border-radius: inherit;
    background: rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 8px 24px rgba(0, 0, 0, 0.45),
        0 0 20px rgba(255, 255, 255, 0.06);
}

.cube-logo .brand-svg-symbol {
    width: 68%;
    height: 68%;
}

/* Orbiting elements */
.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    animation: prism-ring-spin 18s linear infinite;
}

.orbit-ring-1 {
    width: 260px;
    height: 260px;
    margin: -130px 0 0 -130px;
    transform: rotateX(70deg);
    -webkit-transform: rotateX(70deg);
}

.orbit-ring-2 {
    width: 190px;
    height: 190px;
    margin: -95px 0 0 -95px;
    transform: rotateX(20deg) rotateY(45deg);
    -webkit-transform: rotateX(20deg) rotateY(45deg);
    animation: prism-ring-spin-alt 12s linear infinite reverse;
}

@keyframes prism-ring-spin {
    to { transform: rotateX(70deg) rotateZ(360deg); }
}

@keyframes prism-ring-spin-alt {
    to { transform: rotateX(20deg) rotateY(45deg) rotateZ(360deg); }
}

.orbit-item {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    transform:
        rotateZ(calc(var(--i) * 60deg))
        translateX(130px)
        rotateZ(calc(var(--i) * -60deg));
    -webkit-transform:
        rotateZ(calc(var(--i) * 60deg))
        translateX(130px)
        rotateZ(calc(var(--i) * -60deg));
}

.orbit-ring-2 .orbit-item {
    transform:
        rotateZ(calc(var(--i) * 90deg))
        translateX(95px)
        rotateZ(calc(var(--i) * -90deg));
    -webkit-transform:
        rotateZ(calc(var(--i) * 90deg))
        translateX(95px)
        rotateZ(calc(var(--i) * -90deg));
}

.mini-cube {
    width: 22px;
    height: 22px;
    margin: -11px 0 0 -11px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.85), rgba(100, 116, 139, 0.7));
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.25);
    animation: prism-mini-bob 3s ease-in-out infinite;
    animation-delay: calc(var(--i) * -0.5s);
}

.mini-cube-alt {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.55), rgba(107, 114, 128, 0.65));
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.15);
}

@keyframes prism-mini-bob {
    0%, 100% { transform: translateY(0) scale(1); }
    50%      { transform: translateY(-6px) scale(1.12); }
}

.floating-plane {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.02);
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
}

.plane-a {
    width: 300px;
    height: 300px;
    margin: -150px 0 0 -150px;
    transform: rotateX(90deg) translateZ(-35px);
    -webkit-transform: rotateX(90deg) translateZ(-35px);
    animation: prism-plane-a 8s ease-in-out infinite;
}

.plane-b {
    width: 240px;
    height: 240px;
    margin: -120px 0 0 -120px;
    transform: rotateY(90deg) translateZ(25px);
    -webkit-transform: rotateY(90deg) translateZ(25px);
    animation: prism-plane-b 10s ease-in-out infinite;
}

.plane-c {
    width: 160px;
    height: 160px;
    margin: -80px 0 0 -80px;
    transform: translateZ(70px);
    -webkit-transform: translateZ(70px);
    border-radius: 50%;
    animation: prism-plane-c 6s ease-in-out infinite;
}

@keyframes prism-plane-a {
    0%, 100% { opacity: 0.35; transform: rotateX(90deg) translateZ(-35px) scale(1); }
    50%      { opacity: 0.6;  transform: rotateX(90deg) translateZ(-35px) scale(1.04); }
}

@keyframes prism-plane-b {
    0%, 100% { opacity: 0.25; }
    50%      { opacity: 0.5; }
}

@keyframes prism-plane-c {
    0%, 100% { transform: translateZ(70px) rotate(0deg); }
    50%      { transform: translateZ(70px) rotate(180deg); }
}

/* Feature cards — 3D tilt on hover */
.landing-features .feature-card[data-tilt] {
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    will-change: transform;
    transition: box-shadow var(--transition);
}

.landing-features .feature-card[data-tilt]:hover {
    box-shadow: var(--shadow-glow);
}

/* Responsive */
@media (max-width: 960px) {
    .landing-hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .landing-hero-content {
        text-align: center;
    }

    .landing-hero-content h1 {
        text-align: center;
    }

    .landing-hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .landing-hero-scene {
        order: -1;
    }
}

@media (max-width: 480px) {
    .scene-viewport {
        --scene-size: min(82vw, 300px);
    }

    .landing-hero-hint {
        display: none;
    }
}

/* Accessibility & fallbacks */
@media (prefers-reduced-motion: reduce) {
    .scene-world.spinning {
        animation: none;
    }
}

html.no-3d .scene-viewport {
    perspective: none;
}

html.no-3d .scene-world {
    transform: none !important;
    animation: prism-fallback-float 4s ease-in-out infinite;
}

html.no-3d .orbit-ring,
html.no-3d .face,
html.no-3d .floating-plane {
    display: none;
}

html.no-3d .shape-core {
    width: 140px;
    height: 140px;
    margin: -70px 0 0 -70px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(100, 116, 139, 0.1));
    border: 1px solid var(--border);
    box-shadow: var(--shadow-glow);
    animation: prism-fallback-float 4s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

html.no-3d .cube-logo {
    position: relative;
    top: auto;
    left: auto;
    margin: 0;
    transform: none;
    -webkit-transform: none;
}

@keyframes prism-fallback-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-12px); }
}