:root{
  --bg:#0A0A0F;--bg2:#0F0F1A;--bg3:#141428;
  --border:rgba(255,255,255,.08);--border2:rgba(255,255,255,.14);
  --primary:#7C3AED;--primary-l:#9D5CF6;--primary-ll:#C4B5FD;
  --accent:#06B6D4;--green:#10B981;--yellow:#F59E0B;--red:#EF4444;
  --text:#F0F4FF;--muted:#94A3B8;--dim:#475569;
  --font:'Inter',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.7}

/* ── Typography ── */
h1{font-size:clamp(2.2rem,5vw,4rem);font-weight:900;line-height:1.1;letter-spacing:-.03em}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-bottom:12px}
h3{font-size:clamp(1.1rem,2vw,1.4rem);font-weight:700;margin-bottom:8px}
p{color:var(--muted);line-height:1.75;margin-bottom:16px}
strong{color:var(--text);font-weight:600}

/* ── Layout ── */
.container{max-width:960px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:80px 0}
section:nth-child(even){background:var(--bg2)}

/* ── Nav ── */






.nav-links a:hover{color:var(--text)}

.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 20px;border-radius:9px;font-size:13px;font-weight:700;text-decoration:none;transition:all .15s;cursor:pointer;border:none;font-family:var(--font)}
.btn-primary{background:linear-gradient(135deg,var(--primary),#4F46E5);color:#fff}
.btn-primary:hover{opacity:.9;transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--muted)}
.btn-ghost:hover{border-color:var(--primary);color:var(--text)}

/* ── Hero ── */
.hero{padding:100px 0 80px;text-align:center;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.blob{position:absolute;border-radius:50%;filter:blur(100px);opacity:.12}
.blob-1{width:600px;height:600px;background:var(--primary);top:-200px;left:-150px}
.blob-2{width:500px;height:500px;background:#4F46E5;top:0;right:-100px}
.blob-3{width:300px;height:300px;background:var(--accent);bottom:-50px;left:30%}
.hero-content{position:relative;z-index:1}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(124,58,237,.12);border:1px solid rgba(124,58,237,.3);border-radius:100px;padding:5px 16px;font-size:12px;font-weight:700;color:var(--primary-ll);margin-bottom:28px;letter-spacing:.05em}
.hero-tag-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse-g 2s ease-in-out infinite}
@keyframes pulse-g{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}
.hero h1{margin-bottom:20px}
.hero h1 span{background:linear-gradient(135deg,#a78bfa,#f0f0ff,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;background-size:200%;animation:shimmer 4s linear infinite}
@keyframes shimmer{0%{background-position:200%}100%{background-position:-200%}}
.hero-desc{font-size:1.2rem;max-width:600px;margin:0 auto 36px;color:var(--muted);line-height:1.7}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-scroll{margin-top:60px;font-size:12px;color:var(--dim);display:flex;align-items:center;gap:6px;justify-content:center}
.hero-scroll-line{width:40px;height:1px;background:var(--border)}

/* ── Section headers ── */
.section-tag{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--primary-ll);background:rgba(124,58,237,.1);border:1px solid rgba(124,58,237,.2);padding:3px 12px;border-radius:20px;margin-bottom:14px}
.section-center{text-align:center;margin-bottom:56px}
.section-center p{max-width:560px;margin:12px auto 0;font-size:1.05rem}

/* ── Problem cards ── */
.problems-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.problem-card{background:rgba(239,68,68,.04);border:1px solid rgba(239,68,68,.15);border-radius:14px;padding:24px}
.problem-card .ic{font-size:28px;margin-bottom:12px}
.problem-card h3{color:var(--text);margin-bottom:6px}
.problem-card p{font-size:14px;margin-bottom:0;color:var(--muted)}
.problem-card .before{font-size:12px;font-weight:700;color:var(--red);background:rgba(239,68,68,.1);padding:2px 8px;border-radius:4px;display:inline-block;margin-bottom:8px}

/* ── Solution cards ── */
.solution-card{display:flex;gap:20px;align-items:flex-start;padding:24px;background:rgba(16,185,129,.04);border:1px solid rgba(16,185,129,.15);border-radius:14px;margin-bottom:14px}
.solution-card .ic{font-size:28px;flex-shrink:0;margin-top:2px}
.solution-card .after{font-size:12px;font-weight:700;color:var(--green);background:rgba(16,185,129,.1);padding:2px 8px;border-radius:4px;display:inline-block;margin-bottom:6px}
.solution-card p{font-size:14px;margin-bottom:0}

/* ── How it works ── */
.steps{counter-reset:steps}
.step{display:grid;grid-template-columns:60px 1fr;gap:20px;margin-bottom:36px;align-items:start}
.step-num{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#4F46E5);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;color:#fff;flex-shrink:0}
.step h3{font-size:1.1rem;margin-bottom:6px}
.step p{font-size:14px;margin-bottom:0}
.step-arrow{text-align:center;color:var(--dim);margin-bottom:8px;font-size:20px}

/* ── Module cards ── */
.modules-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.module-card{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:22px;transition:border-color .2s,transform .2s}
.module-card:hover{border-color:rgba(124,58,237,.35);transform:translateY(-2px)}
.module-ic{font-size:32px;margin-bottom:12px}
.module-card h3{font-size:15px;margin-bottom:6px;color:var(--text)}
.module-card p{font-size:13px;margin-bottom:10px;color:var(--muted)}
.module-bullets{list-style:none;font-size:12px;color:var(--dim)}
.module-bullets li{padding:2px 0}
.module-bullets li::before{content:"✓ ";color:var(--green)}

/* ── Feature highlights ── */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px}
.feature-row.reverse .feature-text{order:2}
.feature-row.reverse .feature-visual{order:1}
.feature-tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--primary-ll);margin-bottom:10px}
.feature-text p{font-size:15px}
.feature-bullets{margin:16px 0 0;list-style:none}
.feature-bullets li{padding:7px 0;border-bottom:1px solid var(--border);font-size:14px;display:flex;align-items:center;gap:10px;color:var(--muted)}
.feature-bullets li:last-child{border-bottom:none}
.feature-bullets li strong{color:var(--text)}
.feature-bullets li::before{content:"→";color:var(--primary-ll);font-weight:700;flex-shrink:0}
.feature-visual{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:28px;font-size:13px}
.fv-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}
.fv-row:last-child{border-bottom:none}
.fv-ic{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.fv-label{color:var(--muted);font-size:12px;flex:1}
.fv-value{font-weight:700;font-size:14px}

/* ── Platforms ── */
.platforms-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px}
.platform-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:20px;text-align:center;transition:border-color .2s}
.platform-card:hover{border-color:rgba(124,58,237,.3)}
.platform-ic{font-size:32px;margin-bottom:8px}
.platform-name{font-weight:700;font-size:13px;margin-bottom:4px}
.platform-note{font-size:11px;color:var(--dim)}

/* ── API visual ── */
.api-visual{background:var(--bg3);border:1px solid var(--border);border-radius:16px;padding:28px;margin-top:36px}
.api-row{display:flex;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--border)}
.api-row:last-child{border-bottom:none}
.api-arrow{font-size:18px;color:var(--primary-l);flex-shrink:0}
.api-from{font-weight:700;font-size:13px;min-width:140px}
.api-action{font-size:12px;color:var(--muted);flex:1}
.api-result{font-size:11px;color:var(--green);background:rgba(16,185,129,.1);padding:2px 8px;border-radius:4px}
.api-center-label{text-align:center;padding:16px;font-weight:700;font-size:14px;color:var(--primary-ll);background:rgba(124,58,237,.08);border-radius:10px;margin:20px 0}

/* ── SDK cards ── */
.sdk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.sdk-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:18px;text-align:center;transition:border-color .2s}
.sdk-card:hover{border-color:rgba(124,58,237,.3)}
.sdk-card img{width:44px;height:44px;margin-bottom:10px;border-radius:8px}
.sdk-card h3{font-size:14px;margin-bottom:4px}
.sdk-card p{font-size:12px;margin-bottom:8px;color:var(--dim)}
.sdk-tag{display:inline-block;font-size:10px;padding:2px 8px;border-radius:4px;background:rgba(124,58,237,.12);color:var(--primary-ll);font-weight:600}

/* ── Business journey ── */
.journey{position:relative;padding-left:32px}
.journey::before{content:'';position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:linear-gradient(to bottom,var(--primary),var(--accent))}
.journey-step{position:relative;margin-bottom:32px}
.journey-dot{position:absolute;left:-32px;width:24px;height:24px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;border:2px solid var(--bg)}
.journey-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:18px 20px}
.journey-card h3{font-size:14px;margin-bottom:4px}
.journey-card p{font-size:13px;margin-bottom:0}
.journey-time{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--primary-ll);margin-bottom:6px}

/* ── Comparison ── */
.compare-table{width:100%;border-collapse:collapse;font-size:14px}
.compare-table th{text-align:left;padding:12px 16px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--dim);border-bottom:1px solid var(--border2)}
.compare-table td{padding:13px 16px;border-bottom:1px solid var(--border);vertical-align:top}
.compare-table tr:last-child td{border-bottom:none}
.compare-table .col-before{color:var(--red)}
.compare-table .col-after{color:var(--green)}
.compare-table .row-label{font-weight:700;color:var(--text)}
.check{color:var(--green)}
.cross{color:var(--red)}

/* ── Callout boxes ── */
.callout{border-radius:14px;padding:24px 28px;margin:28px 0}
.callout-purple{background:rgba(124,58,237,.08);border:1px solid rgba(124,58,237,.2)}
.callout-green{background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.2)}
.callout-blue{background:rgba(6,182,212,.08);border:1px solid rgba(6,182,212,.2)}
.callout h3{margin-bottom:6px}
.callout p{margin-bottom:0;font-size:14px}

/* ── Quote / testimonial style ── */
.big-quote{font-size:clamp(1.2rem,2.5vw,1.7rem);font-weight:700;color:var(--text);line-height:1.5;border-left:3px solid var(--primary);padding-left:20px;margin:32px 0}

/* ── Stats row ── */
.stats-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.stat-block{background:var(--bg2);padding:24px 20px;text-align:center}
.stat-block .num{font-size:2.2rem;font-weight:900;background:linear-gradient(135deg,var(--primary-ll),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-block .lbl{font-size:12px;color:var(--dim);margin-top:4px}

/* ── CTA ── */
.cta-section{background:linear-gradient(135deg,rgba(124,58,237,.15),rgba(79,70,229,.08));border:1px solid rgba(124,58,237,.2);border-radius:20px;padding:60px 48px;text-align:center;margin:0 24px}
.cta-section h2{margin-bottom:12px}
.cta-section p{max-width:480px;margin:0 auto 28px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ── Footer ── */
footer{background:var(--bg2);border-top:1px solid var(--border);padding:40px 0;text-align:center;font-size:13px;color:var(--dim)}
footer a{color:var(--primary-l);text-decoration:none}

/* ── Table of Contents ── */
.toc{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:40px}
.toc h3{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--dim);margin-bottom:14px}
.toc-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.toc-link{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);text-decoration:none;padding:5px 0;transition:color .15s}
.toc-link:hover{color:var(--text)}
.toc-link::before{content:"↓";color:var(--primary-l);font-size:11px;font-weight:700}

/* ── Responsive ── */
@media(max-width:768px){
  section{padding:60px 0}
  .feature-row{grid-template-columns:1fr;gap:32px}
  .feature-row.reverse .feature-text,.feature-row.reverse .feature-visual{order:unset}
  .toc-grid{grid-template-columns:1fr}
  nav 
  .cta-section{padding:40px 24px}
  .compare-table{font-size:12px}
  .compare-table th,.compare-table td{padding:10px}
}
@media(max-width:480px){
  .hero{padding:60px 0 48px}
  .steps .step{grid-template-columns:44px 1fr}
  .step-num{width:44px;height:44px;font-size:16px}
  .stats-strip{grid-template-columns:1fr 1fr}
}