:root {
  --bg: #ffffff; --bg-2: #f5f6ff; --text: #14123a; --muted: #50557a; --line: #e3e5f3;
  --brand: #4f46e5; --brand-2: #6366f1; --green: #10b981; --card: #ffffff; --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0c0c1f; --bg-2: #13132c; --text: #eef0ff; --muted: #a6abcc; --line: #262a4a; --card: #16163a; }
}
:root[data-theme="dark"] { --bg: #0c0c1f; --bg-2: #13132c; --text: #eef0ff; --muted: #a6abcc; --line: #262a4a; --card: #16163a; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.65 'Inter', system-ui, sans-serif; overflow-x: hidden; }
h1, h2, h3 { font-family: 'Space Grotesk', 'Inter', sans-serif; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(36px, 6vw, 64px); }
h2 { font-size: clamp(28px, 4vw, 42px); }
h3 { font-size: 20px; }
p { margin: 0 0 1em; color: var(--muted); }
a { color: var(--brand); text-decoration: none; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 16px; }
section { padding: 84px 0; }
.alt { background: var(--bg-2); }
.center { text-align: center; }
.lead { font-size: 19px; max-width: 680px; }
.center .lead { margin: 0 auto 1em; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 10px; font-weight: 700; border: 1px solid var(--line); color: var(--text); background: var(--card); transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -12px rgba(79,70,229,.5); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.tag { display: inline-block; padding: 5px 12px; border-radius: 99px; background: rgba(99,102,241,.12); color: var(--brand); font-size: 13px; font-weight: 700; letter-spacing: .03em; margin-bottom: 14px; }

/* header / footer */
header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; gap: 20px; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; font: 700 20px 'Space Grotesk', sans-serif; color: var(--text); }
.logo img { width: 34px; height: 34px; }
nav { display: flex; gap: 22px; margin-left: auto; }
nav a { color: var(--muted); font-weight: 500; font-size: 15px; }
nav a.on, nav a:hover { color: var(--text); }
.hdr-cta { display: flex; gap: 8px; }
.hdr-cta .btn { padding: 9px 16px; font-size: 15px; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 8px; width: 42px; height: 42px; color: var(--text); font-size: 20px; }
@media (max-width: 860px) {
  nav, .hdr-cta { display: none; }
  .menu-btn { display: block; }
  header.open nav, header.open .hdr-cta { display: flex; flex-direction: column; position: absolute; left: 0; right: 0; background: var(--bg); padding: 12px 16px; border-bottom: 1px solid var(--line); }
  header.open nav { top: 66px; }
  header.open .hdr-cta { top: 266px; }
}
footer { border-top: 1px solid var(--line); padding: 50px 0 30px; font-size: 15px; }
footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
footer h4 { margin: 0 0 10px; font-size: 15px; }
footer a { display: block; color: var(--muted); padding: 3px 0; }
footer .dev { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 14px; }
@media (max-width: 760px) { footer .cols { grid-template-columns: 1fr 1fr; } }

/* hero */
.hero { padding: 90px 0 70px; background: radial-gradient(900px 400px at 85% 0%, rgba(99,102,241,.18), transparent), radial-gradient(700px 360px at 0% 100%, rgba(16,185,129,.12), transparent); }
.hero .grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero .stats { display: flex; gap: 30px; margin-top: 36px; flex-wrap: wrap; }
.hero .stats b { display: block; font: 700 26px 'Space Grotesk'; }
.hero .stats span { color: var(--muted); font-size: 14px; }
.grad { background: linear-gradient(100deg, #4f46e5, #10b981); -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (max-width: 860px) { .hero .grid { grid-template-columns: 1fr; } }

/* mock dashboard */
.mock { background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 30px 70px -30px rgba(79,70,229,.45); padding: 18px; transition: transform .4s; }
.mock:hover { transform: translateY(-4px); }
.mock .top { display: flex; gap: 6px; margin-bottom: 14px; }
.mock .top i { width: 10px; height: 10px; border-radius: 50%; background: #f87171; }
.mock .top i:nth-child(2) { background: #fbbf24; } .mock .top i:nth-child(3) { background: #34d399; }
.mtiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 12px; }
.mtile { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.mtile b { display: block; font: 700 22px 'Space Grotesk'; }
.mtile small { color: var(--muted); font-size: 12px; }
.bars { display: flex; align-items: flex-end; gap: 7px; height: 120px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; }
.bars span { flex: 1; background: linear-gradient(180deg, #818cf8, #4f46e5); border-radius: 5px 5px 2px 2px; }
.bars span:nth-child(3n) { background: linear-gradient(180deg, #34d399, #059669); }
.mrow { display: flex; align-items: center; justify-content: space-between; padding: 8px 2px; border-bottom: 1px solid var(--line); font-size: 14px; }
.mrow:last-child { border: 0; }
.pill { font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 99px; }
.pill.ok { background: rgba(16,185,129,.15); color: #059669; } .pill.warn { background: rgba(245,158,11,.15); color: #b45309; }

/* moving text banner */
.ticker { overflow: hidden; border-block: 1px solid var(--line); padding: 16px 0; background: var(--bg-2); }
.ticker .track { display: flex; gap: 40px; width: max-content; animation: slide 40s linear infinite; font: 600 20px 'Space Grotesk'; color: var(--muted); white-space: nowrap; }
.ticker .track span::before { content: '✦'; color: var(--brand); margin-right: 40px; }
@keyframes slide { to { transform: translateX(-50%); } }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 18px; margin-top: 36px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -22px rgba(79,70,229,.45); }
.card .ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; background: rgba(99,102,241,.12); margin-bottom: 14px; }
.card ul { padding-left: 18px; margin: 0; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 18px; margin-top: 36px; counter-reset: s; }
.steps .card::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 12px; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; margin-top: 40px; align-items: stretch; }
.plan { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.plan.best { border: 2px solid var(--brand); box-shadow: 0 24px 60px -30px rgba(79,70,229,.6); position: relative; }
.plan.best::before { content: 'Most popular'; position: absolute; top: -13px; left: 24px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 99px; }
.plan .price { font: 700 42px 'Space Grotesk'; margin: 6px 0 0; }
.plan .price small { font: 500 15px Inter; color: var(--muted); }
.plan ul { list-style: none; padding: 0; margin: 20px 0 26px; flex: 1; }
.plan li { padding: 6px 0 6px 26px; position: relative; color: var(--muted); }
.plan li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 10px; background: var(--card); }
.faq summary { font-weight: 700; cursor: pointer; }
.faq details p { margin: 10px 0 0; }

/* forms + docs */
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
.form input, .form textarea, .form select { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .form .row { grid-template-columns: 1fr; } }
.note { padding: 12px 14px; border-radius: 10px; font-size: 15px; }
.note.ok { background: rgba(16,185,129,.12); color: #059669; } .note.bad { background: rgba(239,68,68,.12); color: #dc2626; }
.doc { max-width: 820px; }
.doc h2 { font-size: 24px; margin-top: 1.6em; }
.doc li { color: var(--muted); margin-bottom: 6px; }
.page-head { padding: 70px 0 30px; background: var(--bg-2); border-bottom: 1px solid var(--line); }

/* scroll fade-in */
.fade { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.fade.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .fade { opacity: 1; transform: none; transition: none; } .ticker .track { animation: none; } html { scroll-behavior: auto; } }

/* ============================================================ motion & 3D upgrade */

/* scroll progress bar */
#scrollbar { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 60;
  background: linear-gradient(90deg, var(--brand), var(--green)); box-shadow: 0 0 10px rgba(99,102,241,.6); transition: width .08s linear; }

/* animated gradient headline */
.grad { background: linear-gradient(100deg, #4f46e5, #7c3aed, #10b981, #4f46e5); background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: gradshift 8s ease infinite; }
@keyframes gradshift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* floating orbs behind the hero */
.hero { position: relative; }
.orbs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.orb { position: absolute; border-radius: 50%; filter: blur(42px); opacity: .5; animation: float 14s ease-in-out infinite; }
.orb.a { width: 340px; height: 340px; background: #6366f1; top: -60px; left: -40px; }
.orb.b { width: 300px; height: 300px; background: #10b981; bottom: -80px; right: 6%; animation-delay: -4s; }
.orb.c { width: 220px; height: 220px; background: #a855f7; top: 40%; left: 55%; animation-delay: -8s; }
.hero .wrap { position: relative; z-index: 1; }
@keyframes float { 0%,100% { transform: translate(0,0) scale(1); } 33% { transform: translate(24px,-26px) scale(1.07); } 66% { transform: translate(-18px,16px) scale(.95); } }

/* cursor 3D tilt (JS sets --rx / --ry) */
.tilt3d { transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .2s ease; transform-style: preserve-3d; will-change: transform; }

/* directional reveal on scroll */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.left { transform: translateX(-48px); } .reveal.right { transform: translateX(48px); } .reveal.zoom { transform: scale(.88); }
.reveal.in { opacity: 1; transform: none; }

/* scroll-scrubbed 3D showcase ("video scrolling") */
.scrolly { height: 230vh; position: relative; }
.scrolly-inner { position: sticky; top: 0; height: 100vh; display: grid; place-items: center; perspective: 1500px;
  overflow: hidden; background: radial-gradient(1000px 500px at 50% 10%, rgba(99,102,241,.14), transparent); }
.scrolly .panel { width: min(640px, 86vw); transform-style: preserve-3d; transform:
    rotateX(calc((1 - var(--p, 0)) * 42deg)) rotateZ(calc((1 - var(--p, 0)) * -6deg)) scale(calc(.78 + var(--p, 0) * .26)) translateY(calc((1 - var(--p, 0)) * 40px));
  transition: transform .12s linear; }
.scrolly .panel .mock { box-shadow: 0 50px 110px -40px rgba(79,70,229,.7); }
.scrolly-caps { position: absolute; bottom: 7vh; left: 0; right: 0; text-align: center; }
.scrolly-caps p { position: absolute; left: 0; right: 0; margin: 0; font: 600 clamp(18px,3vw,26px) 'Space Grotesk', sans-serif;
  color: var(--text); opacity: 0; transition: opacity .4s ease; }
.scrolly-caps p.on { opacity: 1; }
.scrolly-badge { position: absolute; top: 9vh; left: 0; right: 0; text-align: center; }
@media (max-width: 860px) { .scrolly { height: auto; } .scrolly-inner { position: static; height: auto; padding: 60px 0; }
  .scrolly .panel { transform: none; } .scrolly-caps { position: static; margin-top: 22px; } .scrolly-caps p { position: static; opacity: 1; margin-bottom: 8px; } }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .grad { animation: none; } .orb { animation: none; } .tilt3d { transform: none; }
  .scrolly { height: auto; } .scrolly-inner { position: static; height: auto; padding: 60px 0; }
  .scrolly .panel { transform: none; } .scrolly-caps { position: static; } .scrolly-caps p { position: static; opacity: 1; }
}