/* =====================================================================
   OneNess Technologies - shared global styles
   Futuristic 3D holographic aesthetic. All geometry is CSS, no canvas.
   ===================================================================== */
:root {
    --bg-0: #04060d;
    --bg-1: #07101f;
    --bg-2: #0b1830;
    --panel: rgba(13, 27, 52, 0.62);
    --panel-2: rgba(17, 34, 66, 0.7);
    --line: rgba(125, 249, 255, 0.16);
    --line-strong: rgba(125, 249, 255, 0.42);
    --cyan: #7df9ff;
    --cyan-deep: #37d8e0;
    --mint: #00ffc8;
    --violet: #b388ff;
    --pink: #ff2d6f;
    --amber: #ffca28;
    --orange: #ff7043;
    --text: #dbe9ff;
    --muted: #8e9bb3;
    --muted-2: #5f7ea3;
    --ok: #39e6a0;
    --danger: #ff4d6d;
    --radius: 18px;
    --mono: "Cascadia Code", "Consolas", "SF Mono", monospace;
    --font: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background:
        radial-gradient(1100px 600px at 80% -10%, rgba(38, 150, 220, 0.14), transparent 60%),
        radial-gradient(900px 500px at -10% 30%, rgba(0, 255, 200, 0.07), transparent 55%),
        radial-gradient(700px 700px at 50% 120%, rgba(179, 136, 255, 0.08), transparent 60%),
        var(--bg-0);
    min-height: 100dvh;
    overflow-x: hidden;
}
body::before {
    content: "";
    position: fixed; inset: 0;
    background-image:
        linear-gradient(rgba(125, 249, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125, 249, 255, 0.035) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--mint); }
button { font-family: inherit; cursor: pointer; }

::selection { background: rgba(0, 255, 200, 0.28); color: #fff; }

/* ------------------------------------------------ one ness logo sprite --- */
.oneness-mark { position: relative; width: 46px; height: 46px; flex: none; filter: drop-shadow(0 0 12px rgba(0, 255, 200, 0.55)); }
.oneness-mark svg { width: 100%; height: 100%; display: block; }
.oneness-logo { display: flex; align-items: center; gap: 12px; user-select: none; }
.oneness-logo .word { display: flex; flex-direction: column; line-height: 1; }
.oneness-logo .word b {
    letter-spacing: 5px; font-size: 15px;
    background: linear-gradient(90deg, var(--mint), var(--cyan));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.oneness-logo .word span { font-size: 8.5px; letter-spacing: 4.5px; color: var(--muted-2); text-transform: uppercase; margin-top: 4px; }

/* ------------------------------------------------------------- layouts --- */
.container { width: min(1200px, 92%); margin-inline: auto; }
.pad-y { padding-block: 96px; }

header.site {
    position: sticky; top: 0; z-index: 60;
    backdrop-filter: blur(14px);
    background: linear-gradient(180deg, rgba(4, 8, 20, 0.86), rgba(6, 12, 28, 0.62));
    border-bottom: 1px solid var(--line);
}
header.site .bar { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding-block: 14px; }
nav.main-nav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
nav.main-nav a.nav-link {
    padding: 9px 15px; border-radius: 999px; color: var(--muted);
    font-size: 13.5px; letter-spacing: 0.4px; transition: all 0.2s;
    border: 1px solid transparent; white-space: nowrap;
}
nav.main-nav a.nav-link:hover { color: var(--cyan); border-color: var(--line-strong); }
nav.main-nav a.nav-link.active { color: var(--mint); border-color: rgba(0, 255, 200, 0.35); background: rgba(0, 255, 200, 0.08); }
.nav-cta {
    padding: 9px 18px; border-radius: 999px;
    background: linear-gradient(90deg, var(--cyan), var(--mint));
    color: #03111d; font-weight: 700; font-size: 13px; letter-spacing: 0.4px;
    transition: transform 0.18s, box-shadow 0.18s;
    box-shadow: 0 0 18px rgba(0, 255, 200, 0.35);
}
.nav-cta:hover { transform: translateY(-1px); color: #03111d; box-shadow: 0 0 26px rgba(0, 255, 200, 0.55); }

footer.site {
    border-top: 1px solid var(--line);
    background: linear-gradient(180deg, transparent, rgba(5, 9, 22, 0.95));
    padding-block: 46px 30px; margin-top: auto;
}
footer.site .grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; font-size: 13.5px; }
footer.site h4 { color: var(--cyan); font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 12px; }
footer.site a.plain { color: var(--muted); display: block; padding-block: 4px; }
footer.site a.plain:hover { color: var(--mint); }

/* ---------------------------------------------------------------- hero --- */
.hero {
    position: relative; display: grid; align-items: center; gap: 40px;
    grid-template-columns: 1.05fr 0.95fr;
    padding-block: 74px 40px;
}
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } }
.hero h1 { font-size: clamp(34px, 5.2vw, 62px); line-height: 1.05; margin: 0 0 20px; letter-spacing: -1px; font-weight: 800; }
.hero h1 .grad {
    background: linear-gradient(92deg, var(--cyan) 10%, var(--mint) 55%, var(--violet) 95%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lede { font-size: 17px; color: var(--muted); line-height: 1.7; max-width: 56ch; margin: 0 0 30px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 24px; border-radius: 999px; font-weight: 650; font-size: 14.5px;
    border: 1px solid transparent; transition: all 0.2s; line-height: 1;
}
.btn.primary { background: linear-gradient(90deg, var(--cyan), var(--mint)); color: #03111d; box-shadow: 0 8px 28px rgba(0, 255, 200, 0.28); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(0, 255, 200, 0.45); }
.btn.ghost { border-color: var(--line-strong); color: var(--cyan); background: rgba(125, 249, 255, 0.04); }
.btn.ghost:hover { background: rgba(125, 249, 255, 0.12); transform: translateY(-2px); }
.btn.small { padding: 9px 16px; font-size: 13px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }

/* ------------------------------------------------- 3D holographic shapes --- */
.holo-3d { --h: 420px; position: relative; height: var(--h); perspective: 1100px; display: grid; place-items: center; }
@media (max-width: 900px) { .holo-3d { --h: 320px; } }
.stage { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; }

.poly { position: absolute; top: 50%; left: 50%; transform-style: preserve-3d; animation: floaty 9s ease-in-out infinite; }
.poly .face {
    position: absolute; inset: 0;
    border: 1.5px solid rgba(125, 249, 255, 0.5);
    background:
        linear-gradient(140deg, rgba(0, 255, 200, 0.16), rgba(125, 249, 255, 0.03) 48%, rgba(179, 136, 255, 0.12)),
        rgba(8, 22, 46, 0.55);
    box-shadow: inset 0 0 28px rgba(0, 255, 200, 0.12), 0 0 24px rgba(0, 255, 200, 0.12);
}
.poly.cube { width: 150px; height: 150px; margin: -75px 0 0 -75px; }
.poly.cube .face { opacity: 0.94; }
.poly.cube .face:nth-child(1) { transform: translateZ(75px); }
.poly.cube .face:nth-child(2) { transform: rotateY(90deg) translateZ(75px); }
.poly.cube .face:nth-child(3) { transform: rotateY(180deg) translateZ(75px); }
.poly.cube .face:nth-child(4) { transform: rotateY(-90deg) translateZ(75px); }
.poly.cube .face:nth-child(5) { transform: rotateX(90deg) translateZ(75px); }
.poly.cube .face:nth-child(6) { transform: rotateX(-90deg) translateZ(75px); }
.poly.cube { animation: spin-cube 22s linear infinite, floaty 9s ease-in-out infinite; }

.poly.pyramid { width: 168px; height: 168px; margin: -84px 0 0 -84px; }
.poly.pyramid .face { clip-path: polygon(50% 0, 100% 100%, 0 100%); opacity: 0.9; }
.poly.pyramid .face:nth-child(1) { transform: rotateY(0deg) translateZ(80px); }
.poly.pyramid .face:nth-child(2) { transform: rotateY(120deg) translateZ(80px); }
.poly.pyramid .face:nth-child(3) { transform: rotateY(240deg) translateZ(80px); }
.poly.pyramid .face:nth-child(4) { transform: rotateX(90deg) translateZ(40px); clip-path: none; border-radius: 50%; opacity: 0.5; }
.poly.pyramid { animation: spin-float 26s ease-in-out infinite; }

.poly.tetra { width: 170px; height: 170px; margin: -85px 0 0 -85px; }
.poly.tetra .face { clip-path: polygon(50% 2%, 96% 98%, 4% 98%); }
.poly.tetra .face:nth-child(1) { transform: rotateY(0deg) translateZ(70px); }
.poly.tetra .face:nth-child(2) { transform: rotateY(90deg) translateZ(70px); }
.poly.tetra .face:nth-child(3) { transform: rotateY(180deg) translateZ(70px); }
.poly.tetra .face:nth-child(4) { transform: rotateY(270deg) translateZ(70px); }
.poly.tetra { animation: spin-tetra 18s linear infinite, floaty 7s ease-in-out infinite; }

.ring { position: absolute; border-radius: 50%; border: 2px dashed rgba(0, 255, 200, 0.3); animation: spin-ring 30s linear infinite; }
.ring.r1 { width: 330px; height: 160px; transform: rotateX(68deg); }
.ring.r2 { width: 240px; height: 240px; border-color: rgba(125, 249, 255, 0.26); animation-direction: reverse; }
.core {
    width: 90px; height: 90px; border-radius: 50%;
    background: radial-gradient(circle at 38% 32%, #eaffff, var(--cyan) 45%, rgba(0, 255, 200, 0.2));
    box-shadow: 0 0 55px rgba(0, 255, 200, 0.75), 0 0 130px rgba(125, 249, 255, 0.35);
    animation: pulse-core 3.4s ease-in-out infinite;
}

@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
@keyframes spin-cube { from { transform: rotateX(-18deg) rotateY(0deg) rotateZ(6deg); } to { transform: rotateX(-18deg) rotateY(360deg) rotateZ(6deg); } }
@keyframes spin-float { 0%,100% { transform: rotateX(18deg) rotateY(0deg) translateY(0); } 50% { transform: rotateX(22deg) rotateY(180deg) translateY(-18px); } }
@keyframes spin-tetra { from { transform: rotateX(-12deg) rotateY(0deg); } to { transform: rotateX(-12deg) rotateY(360deg); } }
@keyframes spin-ring { from { transform: rotateX(68deg) rotateZ(0deg); } to { transform: rotateX(68deg) rotateZ(360deg); } }
@keyframes pulse-core { 0%,100% { transform: scale(1); } 50% { transform: scale(1.12); filter: brightness(1.25); } }

.holo-label {
    position: absolute; font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
    color: var(--muted-2); border: 1px solid var(--line); border-radius: 999px;
    padding: 5px 12px; background: rgba(6, 12, 28, 0.6);
    animation: floaty 6s ease-in-out infinite;
}

footer.site .signature { text-align: center; color: var(--muted-2); font-size: 12px; margin-top: 34px; }
@media (max-width: 820px) {
    header.site .bar { flex-wrap: wrap; }
    footer.site .grid { grid-template-columns: 1fr; }
    .pad-y { padding-block: 64px; }
}