:root {
  --bg: #0b0820;
  --bg-2: #130d33;
  --violet: #7c3aed;
  --indigo: #4f46e5;
  --magenta: #ff3d9a;
  --cyan: #22d3ee;
  --amber: #ffb020;
  --text: #eef0ff;
  --muted: #b3b0dc;
  --glass: rgba(255, 255, 255, .06);
  --glass-line: rgba(255, 255, 255, .16);
  --grad: linear-gradient(120deg, var(--cyan), var(--violet) 45%, var(--magenta));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(900px 600px at 10% -5%, rgba(124, 58, 237, .45), transparent 60%),
    radial-gradient(800px 600px at 95% 10%, rgba(255, 61, 154, .28), transparent 60%),
    radial-gradient(900px 700px at 50% 110%, rgba(34, 211, 238, .22), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  display: flex; flex-direction: column; min-height: 100vh;
  overflow-x: hidden;
}
main { flex: 1; }
.container { width: min(1120px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .6em; color: #fff; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); letter-spacing: -.02em; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 8, 32, .65);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--glass-line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 76px; position: relative; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; text-decoration: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 1.45rem; font-weight: 800; letter-spacing: -.01em; }
.tagline { font-size: .72rem; font-weight: 600; letter-spacing: 1.6px; text-transform: uppercase; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo {
  font-size: 1.15rem;
  background: var(--grad); color: #fff; padding: 6px 11px; border-radius: 8px; font-weight: 800; letter-spacing: .5px;
  box-shadow: 0 4px 0 #4a1fa8, 0 10px 20px rgba(124, 58, 237, .5);
  transform: perspective(300px) rotateX(12deg) rotateY(-14deg);
}
#tabs { display: flex; gap: 6px; }
#tabs a {
  color: var(--muted); text-decoration: none; padding: 9px 16px; border-radius: 10px; font-weight: 600;
  transition: transform .15s, background .15s, color .15s;
}
#tabs a:hover { color: #fff; background: var(--glass); transform: translateY(-2px); }
#tabs a.active {
  color: #fff; background: var(--grad);
  box-shadow: 0 4px 0 #4a1fa8, 0 10px 22px rgba(255, 61, 154, .4);
  transform: translateY(-2px);
}
.menu-btn { display: none; background: none; border: 0; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* hero */
.hero { padding: 72px 0 56px; position: relative; overflow: clip; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: center; }
.hero .lead { color: var(--muted); max-width: 560px; font-size: 1.15rem; }
.eyebrow {
  display: inline-block; color: var(--cyan); text-transform: uppercase; letter-spacing: 2px; font-size: .78rem; font-weight: 700;
  padding: 6px 12px; border: 1px solid rgba(34, 211, 238, .4); border-radius: 999px; background: rgba(34, 211, 238, .08);
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

.page-title { padding: 64px 0 24px; }
.page-title h1 { margin-bottom: .2em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-title .lead { color: var(--muted); margin: 0; font-size: 1.1rem; }

/* 3D buttons */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 12px; font-weight: 700; text-decoration: none;
  border: 0; cursor: pointer; font-size: 1rem; color: #fff;
  transition: transform .12s, box-shadow .12s;
}
.btn.primary {
  background: linear-gradient(135deg, var(--magenta), var(--violet));
  box-shadow: 0 6px 0 #5b1fb0, 0 14px 28px rgba(255, 61, 154, .45);
}
.btn.primary:hover { transform: translateY(-3px); box-shadow: 0 9px 0 #5b1fb0, 0 20px 34px rgba(255, 61, 154, .55); }
.btn.primary:active { transform: translateY(5px); box-shadow: 0 1px 0 #5b1fb0, 0 4px 10px rgba(255, 61, 154, .4); }
.btn.ghost {
  background: var(--glass); border: 1px solid var(--glass-line);
  box-shadow: 0 6px 0 rgba(255, 255, 255, .08), 0 14px 28px rgba(0, 0, 0, .35);
}
.btn.ghost:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .12); }
.btn.ghost:active { transform: translateY(5px); box-shadow: 0 1px 0 rgba(255, 255, 255, .08); }

/* 3D scene */
.scene {
  position: relative; height: 440px; perspective: 1000px;
  display: grid; place-items: center;
}
.cube {
  --s: 150px;
  width: var(--s); height: var(--s); position: relative; transform-style: preserve-3d;
  animation: spin 16s linear infinite;
}
.face {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-weight: 800; font-size: 1.15rem; color: #fff; letter-spacing: .5px;
  border: 1px solid rgba(255, 255, 255, .45); border-radius: 14px;
  backdrop-filter: blur(2px);
  box-shadow: inset 0 0 30px rgba(255, 255, 255, .2);
  text-shadow: 0 2px 8px rgba(0, 0, 0, .4);
}
.front  { transform: translateZ(75px);                  background: linear-gradient(135deg, rgba(34, 211, 238, .85), rgba(79, 70, 229, .85)); }
.back   { transform: rotateY(180deg) translateZ(75px);  background: linear-gradient(135deg, rgba(255, 61, 154, .85), rgba(124, 58, 237, .85)); }
.right  { transform: rotateY(90deg) translateZ(75px);   background: linear-gradient(135deg, rgba(255, 176, 32, .85), rgba(255, 61, 154, .85)); }
.left   { transform: rotateY(-90deg) translateZ(75px);  background: linear-gradient(135deg, rgba(124, 58, 237, .85), rgba(34, 211, 238, .85)); }
.top    { transform: rotateX(90deg) translateZ(75px);   background: linear-gradient(135deg, rgba(34, 211, 238, .85), rgba(255, 176, 32, .85)); }
.bottom { transform: rotateX(-90deg) translateZ(75px);  background: linear-gradient(135deg, rgba(79, 70, 229, .85), rgba(255, 61, 154, .85)); }
@keyframes spin { from { transform: rotateX(-22deg) rotateY(0); } to { transform: rotateX(-22deg) rotateY(360deg); } }

.orb { position: absolute; border-radius: 50%; filter: blur(2px); animation: bob 7s ease-in-out infinite; }
.orb-a { width: 90px; height: 90px; top: 8%; right: 10%; background: radial-gradient(circle at 30% 30%, #ffd37a, var(--amber) 55%, #b86a00); box-shadow: 0 18px 40px rgba(255, 176, 32, .5); }
.orb-b { width: 60px; height: 60px; bottom: 12%; left: 8%; background: radial-gradient(circle at 30% 30%, #9af0ff, var(--cyan) 55%, #0a6f86); box-shadow: 0 18px 40px rgba(34, 211, 238, .5); animation-delay: -3s; }
.ring {
  position: absolute; width: 330px; height: 330px; border-radius: 50%;
  border: 2px solid rgba(255, 61, 154, .55); box-shadow: 0 0 40px rgba(255, 61, 154, .35), inset 0 0 40px rgba(124, 58, 237, .3);
  transform: rotateX(72deg); animation: ringspin 10s linear infinite;
}
@keyframes ringspin { from { transform: rotateX(72deg) rotateZ(0); } to { transform: rotateX(72deg) rotateZ(360deg); } }
.float-card {
  position: absolute; padding: 10px 16px; border-radius: 12px; font-weight: 700; font-size: .9rem;
  background: rgba(255, 255, 255, .1); border: 1px solid var(--glass-line); backdrop-filter: blur(10px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .45); animation: bob 6s ease-in-out infinite;
}
.fc1 { top: 12%; left: 0; transform: rotate(-6deg); }
.fc2 { bottom: 20%; right: -2%; transform: rotate(5deg); animation-delay: -2s; }
.fc3 { bottom: 4%; left: 14%; transform: rotate(-3deg); animation-delay: -4s; }
@keyframes bob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -16px; } }

/* sections */
.section { padding: 56px 0; }
.mt { margin-top: 56px; }
.band { background: linear-gradient(90deg, rgba(124, 58, 237, .18), rgba(255, 61, 154, .12), rgba(34, 211, 238, .14)); border-block: 1px solid var(--glass-line); }
.grid { display: grid; gap: 24px; perspective: 1200px; }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

/* 3D tilt cards */
.card {
  position: relative; padding: 26px; border-radius: 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .03));
  border: 1px solid var(--glass-line);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, 0 24px 40px rgba(0, 0, 0, .4), 0 6px 0 rgba(0, 0, 0, .25);
  transform-style: preserve-3d;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateZ(0);
  transition: transform .15s ease-out, box-shadow .2s;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .22), transparent 60%);
  opacity: 0; transition: opacity .2s;
}
.card:hover { box-shadow: 0 1px 0 rgba(255, 255, 255, .3) inset, 0 34px 60px rgba(124, 58, 237, .45), 0 8px 0 rgba(0, 0, 0, .25); }
.card:hover::before { opacity: 1; }
.card > * { transform: translateZ(28px); }
.card p { color: var(--muted); margin: 0; }
.card h3 { margin-bottom: .4em; }
.icon {
  width: 56px; height: 56px; display: grid; place-items: center; font-size: 1.7rem; margin-bottom: 14px; border-radius: 14px;
  background: var(--grad); box-shadow: 0 5px 0 #4a1fa8, 0 12px 22px rgba(124, 58, 237, .5);
}
.grid .card:nth-child(3n+2) .icon { background: linear-gradient(135deg, var(--amber), var(--magenta)); box-shadow: 0 5px 0 #a8284f, 0 12px 22px rgba(255, 61, 154, .45); }
.grid .card:nth-child(3n) .icon { background: linear-gradient(135deg, var(--cyan), var(--indigo)); box-shadow: 0 5px 0 #2a2aa0, 0 12px 22px rgba(34, 211, 238, .4); }

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 14px; padding: 0; margin: 0; }
.chips li {
  padding: 10px 20px; border-radius: 999px; font-weight: 700; color: #fff;
  background: var(--glass); border: 1px solid var(--glass-line);
  box-shadow: 0 5px 0 rgba(255, 255, 255, .08), 0 12px 22px rgba(0, 0, 0, .35);
  transition: transform .15s, background .15s;
}
.chips li:hover { transform: translateY(-4px) rotateX(10deg); background: var(--grad); }

.service {
  position: relative; border-radius: 18px; padding: 30px 30px 26px; margin-bottom: 28px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03));
  border: 1px solid var(--glass-line); backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, 0 24px 44px rgba(0, 0, 0, .4), 0 7px 0 rgba(0, 0, 0, .25);
  transition: transform .2s;
}
.service::before { content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 5px; border-radius: 0 6px 6px 0; background: var(--grad); box-shadow: 0 0 18px var(--magenta); }
.service:hover { transform: perspective(1000px) rotateX(2deg) translateY(-4px); }
.service p { color: var(--muted); }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { padding-left: 30px; position: relative; margin-bottom: 9px; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--cyan); font-weight: 800; text-shadow: 0 0 10px rgba(34, 211, 238, .8); }
.narrow > p { color: var(--muted); }

/* form */
form {
  display: grid; gap: 16px; padding: 30px; border-radius: 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03));
  border: 1px solid var(--glass-line); backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, 0 28px 50px rgba(0, 0, 0, .45), 0 7px 0 rgba(0, 0, 0, .25);
}
form { grid-template-columns: minmax(0, 1fr); }
label { min-width: 0; display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
input, select, textarea {
  width: 100%; min-width: 0; max-width: 100%;
  font: inherit; color: #fff; padding: 11px 13px; border-radius: 10px;
  background: rgba(8, 5, 26, .6); border: 1px solid var(--glass-line);
  box-shadow: inset 0 3px 8px rgba(0, 0, 0, .45);
}
select option { color: #111; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--cyan); border-color: var(--cyan); box-shadow: 0 0 20px rgba(34, 211, 238, .35), inset 0 3px 8px rgba(0, 0, 0, .45); }
input.invalid, textarea.invalid { border-color: var(--magenta); }
.form-status { margin: 0; font-weight: 600; color: var(--cyan); }
.form-status.error { color: var(--magenta); }
.join > p { font-size: 1.1rem; }
.join form { margin-top: 24px; }
input[type="file"] { padding: 9px; }
input[type="file"]::file-selector-button { margin-right: 12px; padding: 7px 14px; border: 0; border-radius: 8px; color: #fff; font-weight: 700; cursor: pointer; background: linear-gradient(135deg, var(--magenta), var(--violet)); }
input[type="file"].invalid { border-color: var(--magenta); }
form .btn { justify-self: start; }

/* clients marquee */
.clients { padding: 40px 0 48px; border-top: 1px solid var(--glass-line); background: linear-gradient(90deg, rgba(124, 58, 237, .14), rgba(255, 61, 154, .1), rgba(34, 211, 238, .12)); }
.clients-title { text-align: center; font-size: 1.5rem; margin-bottom: 24px; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 28px; width: max-content; margin: 0; padding: 8px 14px 14px; list-style: none; animation: scroll 28s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track li {
  white-space: nowrap; padding: 16px 32px; border-radius: 14px; font-size: 1.15rem; font-weight: 800; letter-spacing: .3px; color: #fff;
  background: linear-gradient(160deg, rgba(255, 255, 255, .14), rgba(255, 255, 255, .04));
  border: 1px solid var(--glass-line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, 0 6px 0 rgba(0, 0, 0, .25), 0 16px 26px rgba(0, 0, 0, .4);
}
.marquee-track li { display: flex; align-items: center; gap: 14px; }
.client-logo { min-width: 52px; height: 52px; flex: none; display: grid; place-items: center; border-radius: 12px; background: #fff; padding: 6px 10px; box-shadow: 0 4px 0 rgba(0, 0, 0, .25), 0 8px 16px rgba(0, 0, 0, .35); }
.client-logo img { height: 100%; width: auto; max-width: 150px; object-fit: contain; }
.client-logo.fallback { width: 52px; padding: 0; background: linear-gradient(135deg, var(--c), rgba(0, 0, 0, .35)); color: #fff; font-weight: 800; font-size: 1.4rem; }
@keyframes scroll { to { transform: translateX(calc(-50% - 14px)); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; } .marquee-track li[aria-hidden] { display: none; } }

.site-footer { background: rgba(8, 5, 26, .8); border-top: 1px solid var(--glass-line); color: var(--muted); padding: 24px 0; font-size: .9rem; }
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .scene { height: 360px; }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .brand-name { font-size: 1.2rem; }
  .tagline { font-size: .62rem; letter-spacing: 1px; }
  #tabs { display: none; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; background: #0f0a2a; backdrop-filter: none; padding: 10px; border-radius: 0 0 14px 14px; border: 1px solid var(--glass-line); }
  #tabs.open { display: flex; }
  .hero { padding-top: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .cube, .ring, .orb, .float-card { animation: none; }
  .card, .btn, #tabs a { transition: none; }
}

/* honeypot field: hidden from people, visible to bots */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---------- Mobile and tablet ---------- */
@media (max-width: 760px) {
  h2 { font-size: 1.45rem; }
  .section { padding: 36px 0; }
  .mt { margin-top: 36px; }
  .nav { min-height: 64px; }
  .menu-btn { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; font-size: 1.6rem; background: var(--glass); border: 1px solid var(--glass-line); }
  #tabs { top: 64px; gap: 4px; max-height: calc(100vh - 64px); overflow-y: auto; box-shadow: 0 20px 40px rgba(0, 0, 0, .5); }
  #tabs a { padding: 14px 16px; font-size: 1.05rem; }
  .logo { font-size: 1rem; padding: 5px 9px; }
  .hero { padding: 36px 0 24px; }
  .hero .lead { font-size: 1.05rem; }
  .cta-row .btn { flex: 1 1 140px; text-align: center; }
  .scene { height: 300px; }
  .cube { --s: 120px; }
  .face { font-size: .95rem; }
  .front  { transform: translateZ(60px); }
  .back   { transform: rotateY(180deg) translateZ(60px); }
  .right  { transform: rotateY(90deg) translateZ(60px); }
  .left   { transform: rotateY(-90deg) translateZ(60px); }
  .top    { transform: rotateX(90deg) translateZ(60px); }
  .bottom { transform: rotateX(-90deg) translateZ(60px); }
  .ring { width: 250px; height: 250px; }
  .orb-a { width: 64px; height: 64px; }
  .orb-b { width: 44px; height: 44px; }
  .float-card { font-size: .78rem; padding: 7px 11px; }
  .fc2 { right: 0; }
  .page-title { padding: 40px 0 12px; }
  .page-title .lead { font-size: 1rem; }
  .card, .service, form { padding: 20px; }
  .service { margin-bottom: 20px; }
  .grid { gap: 16px; }
  .grid.three { grid-template-columns: 1fr; }
  .chips { gap: 10px; }
  .chips li { padding: 8px 14px; font-size: .92rem; }
  .btn { padding: 14px 24px; }
  form .btn { justify-self: stretch; text-align: center; }
  .clients { padding: 28px 0 32px; }
  .clients-title { font-size: 1.25rem; }
  .marquee-track { gap: 16px; animation-duration: 22s; }
  .marquee-track li { padding: 10px 18px; font-size: 1rem; gap: 10px; }
  .client-logo { min-width: 44px; height: 44px; }
  .client-logo.fallback { width: 44px; }
  .client-logo img { max-width: 110px; }
  .site-footer .container { flex-direction: column; text-align: center; }
}
@media (max-width: 380px) {
  .brand-name { font-size: 1.05rem; }
  .tagline { font-size: .56rem; letter-spacing: .6px; }
  h1 { font-size: 1.9rem; }
}
@media (min-width: 761px) and (max-width: 1000px) {
  .grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
/* touch screens: no hover effects stuck after a tap */
@media (hover: none) {
  .card:hover, .service:hover, .chips li:hover { transform: none; }
  .btn.primary:hover { transform: none; }
}

/* Tablet: collapse the menu earlier so the brand and tabs never get squeezed */
@media (max-width: 900px) {
  .nav { min-height: 64px; }
  .menu-btn { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; font-size: 1.6rem; background: var(--glass); border: 1px solid var(--glass-line); }
  #tabs { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 4px; padding: 10px; background: #0f0a2a; border: 1px solid var(--glass-line); border-radius: 0 0 14px 14px; box-shadow: 0 20px 40px rgba(0, 0, 0, .5); max-height: calc(100vh - 64px); overflow-y: auto; }
  #tabs.open { display: flex; }
  #tabs a { padding: 14px 16px; font-size: 1.05rem; }
}

.hint { margin: 0; color: var(--muted); font-size: .95rem; }

/* logo mark in the header */
.logo-img { width: 52px; height: 52px; flex: none; display: block; filter: drop-shadow(0 6px 10px rgba(124, 58, 237, .55)); transition: transform .25s, filter .25s; }
.brand:hover .logo-img { transform: translateY(-2px) rotate(-4deg) scale(1.05); filter: drop-shadow(0 10px 14px rgba(255, 61, 154, .55)); }
@media (max-width: 760px) { .logo-img { width: 44px; height: 44px; } }