/* ===== Showcase shared design system (ui-ux-pro-max based) ===== */
:root {
  --primary: #2563EB;
  --primary-d: #1E40AF;
  --on-primary: #FFFFFF;
  --secondary: #3B82F6;
  --accent: #0EA5A4;
  --accent-2: #7C5CFF;
  --bg: #F6F8FC;
  --fg: #0E1726;
  --muted: #5a6a85;
  --card: #FFFFFF;
  --border: #e6ebf3;
  --border-2: #dde4ee;
  --soft: #eef2f9;
  --radius: 18px;
  --font-head: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --maxw: 1080px;
  --grad: linear-gradient(120deg, #2563EB, #0EA5A4 70%);
  --grad-soft: linear-gradient(120deg, #2563EB, #7C5CFF);
  --shadow-sm: 0 1px 2px rgba(15,23,42,.05), 0 2px 8px rgba(15,23,42,.04);
  --shadow-md: 0 10px 30px rgba(37,99,235,.12);
  --shadow-lg: 0 30px 64px rgba(15,23,42,.16);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body); background: var(--bg); color: var(--fg); line-height: 1.6;
  -webkit-font-smoothing: antialiased; position: relative; overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(46% 36% at 88% -4%, rgba(37,99,235,.10), transparent 62%),
    radial-gradient(42% 40% at -4% 8%, rgba(14,165,164,.08), transparent 62%),
    radial-gradient(40% 44% at 50% 116%, rgba(124,92,255,.07), transparent 64%);
}
h1,h2,h3,h4,.h { font-family: var(--font-head); letter-spacing: -.02em; line-height: 1.12; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(37,99,235,.18); }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700; font-size: .76rem; text-transform: uppercase; letter-spacing: .09em; color: var(--primary); background: color-mix(in srgb, var(--primary) 9%, #fff); border: 1px solid color-mix(in srgb, var(--primary) 16%, transparent); padding: 6px 14px; border-radius: 999px; }

/* nav */
nav { position: sticky; top: 0; z-index: 60; background: rgba(246,248,252,.78); backdrop-filter: blur(14px) saturate(150%); border-bottom: 1px solid var(--border); }
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 800; font-size: 1.1rem; letter-spacing: -.02em; }
.brand .mk { width: 31px; height: 31px; border-radius: 10px; background: var(--grad); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: .95rem; box-shadow: 0 4px 12px rgba(37,99,235,.28); }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: .9rem; position: relative; transition: color .2s; }
.nav-links a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--grad); border-radius: 2px; transition: width .25s; }
.nav-links a:hover { color: var(--fg); }
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta { background: var(--grad); color: #fff !important; padding: 9px 18px; border-radius: 11px; font-size: .9rem; box-shadow: 0 6px 16px rgba(37,99,235,.24); transition: transform .15s, box-shadow .2s; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(37,99,235,.32); }
@media (max-width: 680px) { .nav-links a:not(.nav-cta) { display: none; } }

/* hero */
.hero { padding: 84px 0 64px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 52px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 36px; } }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 3.6rem); font-weight: 800; letter-spacing: -.03em; margin: 22px 0 16px; }
.hero h1 .grad { background: var(--grad-soft); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 520px; margin-bottom: 28px; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700; font-size: .96rem; padding: 13px 24px; border-radius: 12px; border: 0; cursor: pointer; transition: transform .15s, box-shadow .25s, background .2s; }
.btn-primary { background: var(--grad); color: var(--on-primary); box-shadow: var(--shadow-md); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ghost { background: #fff; border: 1.5px solid var(--border-2); color: var(--fg); }
.btn-ghost:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.stat-row { display: flex; gap: 30px; margin-top: 34px; flex-wrap: wrap; }
.stat .n { font-family: var(--font-head); font-weight: 800; font-size: 1.7rem; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .l { font-size: .82rem; color: var(--muted); }

/* mockup frame */
.mock { background: var(--card); border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow-lg); overflow: hidden; position: relative; }
.mock::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: linear-gradient(160deg, rgba(37,99,235,.4), transparent 45%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.mock svg { width: 100%; height: auto; display: block; }

/* sections */
section { padding: 74px 0; }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 46px; }
.sec-head h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); font-weight: 800; margin: 14px 0 10px; }
.sec-head p { color: var(--muted); }
.alt { background: linear-gradient(180deg, #fff, #fbfcff); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* bento */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 880px) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .bento { grid-template-columns: 1fr; } }
.cell { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .25s, border-color .2s; overflow: hidden; }
.cell::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.cell:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.cell:hover::before { transform: scaleX(1); }
.cell.wide { grid-column: span 2; }
@media (max-width: 540px) { .cell.wide { grid-column: span 1; } }
.ic { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--grad); color: #fff; margin-bottom: 14px; box-shadow: 0 6px 16px rgba(37,99,235,.22); }
.ic svg { width: 22px; height: 22px; }
.cell h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 7px; }
.cell p { color: var(--muted); font-size: .93rem; }

/* flow */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: step; }
@media (max-width: 820px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .flow { grid-template-columns: 1fr; } }
.step { position: relative; padding: 26px 22px; border-radius: 16px; background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.step::before { counter-increment: step; content: counter(step); font-family: var(--font-head); font-weight: 800; font-size: .85rem; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--grad); color: #fff; margin-bottom: 13px; box-shadow: 0 4px 12px rgba(37,99,235,.26); }
.step h4 { font-size: 1rem; margin-bottom: 5px; }
.step p { font-size: .87rem; color: var(--muted); }

/* specs */
.specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 760px) { .specs { grid-template-columns: 1fr; } }
.spec { display: flex; gap: 13px; padding: 20px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow-sm); }
.spec .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); margin-top: 7px; flex: none; box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent); }
.spec h4 { font-size: .96rem; }
.spec p { font-size: .84rem; color: var(--muted); }

/* cta */
.cta-card { position: relative; overflow: hidden; text-align: center; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; border-radius: 28px; padding: 64px 30px; box-shadow: var(--shadow-lg); }
.cta-card::after { content: ""; position: absolute; top: -40%; right: -8%; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.2), transparent 70%); }
.cta-card::before { content: ""; position: absolute; bottom: -50%; left: -6%; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.12), transparent 70%); }
.cta-card h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin-bottom: 12px; position: relative; }
.cta-card p { opacity: .95; max-width: 500px; margin: 0 auto 24px; position: relative; }
.cta-card .btn-row { position: relative; justify-content: center; }
.cta-card .btn-primary { background: #fff; color: var(--primary); box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.cta-card .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.cta-card .btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }

footer { padding: 38px 0; text-align: center; color: var(--muted); font-size: .86rem; }
footer .brand { justify-content: center; margin-bottom: 8px; }
.back { display: inline-block; margin-top: 10px; color: var(--primary); font-weight: 600; font-size: .85rem; }

a.btn:focus-visible, a:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 8px; }
.pulse { animation: pl 2s ease-in-out infinite; }
@keyframes pl { 0%,100% { opacity: .45; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } .hero h1 .grad { animation: none; } }