/* ── Reset & Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#030712;--bg-card:#0f172a;--bg-card-hover:#1e293b;
  --border:#1e293b;--border-light:#334155;
  --text:#f8fafc;--text-dim:#cbd5e1;--text-muted:#64748b;
  --primary:#3b82f6;--primary-glow:rgba(59,130,246,0.3);
  --accent:#8b5cf6;--accent-glow:rgba(139,92,246,0.25);
  --success:#10b981;--warning:#f59e0b;--danger:#ef4444;
  --gradient-primary:linear-gradient(135deg,#3b82f6,#8b5cf6);
  --gradient-dark:linear-gradient(180deg,#030712 0%,#0f172a 100%);
  --r:12px;--r-lg:16px;--r-xl:24px;
  --shadow:0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow:0 0 40px rgba(59,130,246,0.15);
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:#60a5fa}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ── Navbar ── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;transition:all .3s}
.navbar.scrolled{background:rgba(3,7,18,0.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:10px 0}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--text)}
.nav-logo .logo-icon{width:36px;height:36px;background:var(--gradient-primary);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:900;color:#fff}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:var(--text-dim);font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{padding:10px 24px;background:var(--gradient-primary);border:none;border-radius:var(--r);color:#fff;font-weight:700;font-size:13px;cursor:pointer;transition:transform .15s,box-shadow .3s;text-transform:uppercase;letter-spacing:.04em}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--primary-glow)}
.nav-hamburger{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}

/* ── Hero ── */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:120px 0 80px;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-30%;width:80%;height:120%;background:radial-gradient(ellipse,rgba(59,130,246,0.08) 0%,transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;top:20%;right:-20%;width:60%;height:80%;background:radial-gradient(ellipse,rgba(139,92,246,0.06) 0%,transparent 70%);pointer-events:none}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-content{max-width:560px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(59,130,246,0.1);border:1px solid rgba(59,130,246,0.2);border-radius:999px;padding:6px 16px;font-size:12px;font-weight:600;color:var(--primary);margin-bottom:24px}
.hero-badge .pulse{width:6px;height:6px;border-radius:50%;background:var(--success);animation:pulse 2s infinite}
.hero h1{font-size:clamp(36px,5vw,56px);font-weight:800;line-height:1.1;margin-bottom:20px;background:linear-gradient(135deg,#f8fafc 30%,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero h1 span{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:17px;color:var(--text-dim);margin-bottom:36px;line-height:1.7}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-hero{padding:14px 32px;border-radius:var(--r);font-weight:700;font-size:15px;border:none;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}
.btn-hero.primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 20px var(--primary-glow)}
.btn-hero.primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px var(--primary-glow)}
.btn-hero.outline{background:transparent;color:var(--text);border:1px solid var(--border-light)}
.btn-hero.outline:hover{border-color:var(--primary);color:var(--primary)}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--r-xl);border:1px solid var(--border);box-shadow:var(--shadow),var(--shadow-glow);transition:transform .4s}
.hero-visual:hover img{transform:scale(1.02)}
.hero-stats{display:flex;gap:32px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.hero-stat .num{font-size:28px;font-weight:800;color:var(--text)}
.hero-stat .label{font-size:12px;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}

/* ── Section base ── */
section{padding:100px 0;position:relative}
.section-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(139,92,246,0.1);border:1px solid rgba(139,92,246,0.2);border-radius:999px;padding:6px 14px;font-size:11px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px}
.section-title{font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:16px;line-height:1.2}
.section-desc{font-size:16px;color:var(--text-dim);max-width:600px;line-height:1.7}
.section-header{text-align:center;margin-bottom:60px}
.section-header .section-desc{margin:0 auto}

/* ── Features ── */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px 28px;transition:all .3s;position:relative;overflow:hidden}
.feature-card:hover{border-color:var(--border-light);transform:translateY(-4px);box-shadow:var(--shadow)}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);opacity:0;transition:opacity .3s}
.feature-card:hover::before{opacity:1}
.feature-icon{width:48px;height:48px;border-radius:var(--r);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:22px}
.feature-icon.blue{background:rgba(59,130,246,0.12);color:#60a5fa}
.feature-icon.green{background:rgba(16,185,129,0.12);color:#34d399}
.feature-icon.purple{background:rgba(139,92,246,0.12);color:#a78bfa}
.feature-icon.amber{background:rgba(245,158,11,0.12);color:#fbbf24}
.feature-icon.pink{background:rgba(236,72,153,0.12);color:#f472b6}
.feature-icon.cyan{background:rgba(6,182,212,0.12);color:#22d3ee}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text)}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.6}

/* ── Architecture ── */
.arch-section{background:var(--bg-card)}
.arch-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.arch-image img{border-radius:var(--r-xl);border:1px solid var(--border)}
.arch-points{display:flex;flex-direction:column;gap:20px;margin-top:32px}
.arch-point{display:flex;gap:16px;align-items:flex-start}
.arch-point .icon{width:40px;height:40px;border-radius:var(--r);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px;background:rgba(59,130,246,0.1);color:#60a5fa}
.arch-point h4{font-size:15px;font-weight:700;margin-bottom:4px}
.arch-point p{font-size:13px;color:var(--text-muted);line-height:1.5}

/* ── Benefits ── */
.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.benefit-card{text-align:center;padding:36px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-lg);transition:all .3s}
.benefit-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 8px 32px rgba(59,130,246,0.1)}
.benefit-num{font-size:42px;font-weight:900;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px;font-family:var(--font-mono)}
.benefit-card h4{font-size:14px;font-weight:700;margin-bottom:6px}
.benefit-card p{font-size:12px;color:var(--text-muted)}

/* ── Analytics ── */
.analytics-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.analytics-list{display:flex;flex-direction:column;gap:16px;margin-top:28px}
.analytics-item{display:flex;gap:14px;align-items:center;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);transition:all .2s}
.analytics-item:hover{border-color:var(--primary);background:var(--bg-card-hover)}
.analytics-item .check{width:28px;height:28px;border-radius:50%;background:rgba(16,185,129,0.12);color:var(--success);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px;font-weight:700}
.analytics-item span{font-size:14px;font-weight:600}

/* ── Pricing ── */
.pricing-section{background:var(--bg-card)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pricing-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r-xl);padding:36px 32px;position:relative;transition:all .3s}
.pricing-card.featured{border-color:var(--primary);box-shadow:0 0 40px var(--primary-glow)}
.pricing-card.featured::before{content:'POPULAR';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gradient-primary);padding:4px 16px;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.06em}
.pricing-card:hover{transform:translateY(-4px)}
.pricing-name{font-size:14px;color:var(--text-muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}
.pricing-price{font-size:36px;font-weight:900;margin-bottom:4px}
.pricing-price small{font-size:14px;color:var(--text-muted);font-weight:500}
.pricing-desc{font-size:13px;color:var(--text-muted);margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.pricing-features{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.pricing-features li{font-size:13px;color:var(--text-dim);display:flex;align-items:center;gap:10px}
.pricing-features li::before{content:'✓';color:var(--success);font-weight:700;font-size:14px}
.pricing-btn{display:block;width:100%;padding:14px;border-radius:var(--r);font-weight:700;font-size:14px;text-align:center;border:none;cursor:pointer;transition:all .2s}
.pricing-btn.primary{background:var(--gradient-primary);color:#fff}
.pricing-btn.outline{background:transparent;border:1px solid var(--border-light);color:var(--text)}
.pricing-btn:hover{transform:translateY(-1px)}

/* ── Contact ── */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-info{display:flex;flex-direction:column;gap:24px;margin-top:32px}
.contact-item{display:flex;gap:14px;align-items:center}
.contact-item .icon{width:44px;height:44px;border-radius:var(--r);background:rgba(59,130,246,0.1);color:#60a5fa;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.contact-item .info h4{font-size:14px;font-weight:700;margin-bottom:2px}
.contact-item .info p{font-size:13px;color:var(--text-muted)}
.contact-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-xl);padding:36px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r);color:var(--text);font-size:14px;font-family:var(--font);transition:border-color .2s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.form-group textarea{min-height:100px;resize:vertical}
.form-submit{width:100%;padding:14px;background:var(--gradient-primary);border:none;border-radius:var(--r);color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:all .2s}
.form-submit:hover{box-shadow:0 4px 20px var(--primary-glow);transform:translateY(-1px)}

/* ── Footer ── */
.footer{background:var(--bg-card);border-top:1px solid var(--border);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:13px;color:var(--text-muted);margin-top:12px;line-height:1.6}
.footer-col h4{font-size:12px;font-weight:800;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px}
.footer-col a{display:block;font-size:13px;color:var(--text-dim);margin-bottom:10px;transition:color .2s}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-muted)}
.footer-bottom-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.footer-bottom a{color:var(--text-muted);display:inline-flex;align-items:center;gap:4px;transition:color .2s}
.footer-bottom a:hover{color:var(--text-dim)}

/* ── Showcase Tabs ── */
.showcase-section{background:var(--bg-card)}
.showcase-tabs{display:flex;justify-content:center;gap:12px;margin-bottom:40px;flex-wrap:wrap}
.showcase-tab{background:var(--bg);border:1px solid var(--border);color:var(--text-dim);padding:12px 24px;border-radius:var(--r);font-weight:700;font-size:14px;cursor:pointer;transition:all .2s}
.showcase-tab:hover{border-color:var(--primary);color:var(--text)}
.showcase-tab.active{background:var(--gradient-primary);color:#fff;border-color:transparent;box-shadow:0 4px 20px var(--primary-glow)}
.showcase-panels{position:relative}
.showcase-panel{display:none;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.showcase-panel.active{display:grid;animation:fadeUp .4s ease forwards}
.showcase-image img{border-radius:var(--r-xl);border:1px solid var(--border);box-shadow:var(--shadow),var(--shadow-glow)}
.showcase-info h3{font-size:24px;font-weight:800;margin-bottom:16px;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.showcase-info p{color:var(--text-dim);font-size:15px;margin-bottom:24px;line-height:1.6}
.showcase-features{display:grid;grid-template-columns:1fr;gap:12px}
.showcase-feature{display:flex;gap:12px;align-items:center;padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r)}
.showcase-feature .bullet{width:24px;height:24px;border-radius:50%;background:rgba(59,130,246,0.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0}
.showcase-feature span{font-size:13px;font-weight:600}

/* ── Animations ── */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-up{opacity:0;transform:translateY(30px);transition:all .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ── Responsive ── */
@media(max-width:1024px){
  .hero .container,.arch-layout,.analytics-layout,.contact-layout,.showcase-panel{grid-template-columns:1fr}
  .hero-visual,.showcase-image{order:-1}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .benefits-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-hamburger{display:block}
  .features-grid,.benefits-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-stats{flex-direction:column;gap:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
  .footer-bottom-left{justify-content:center}
}