/* ===== VARIABLES ===== */
:root {
  --bg:       #030508;
  --bg2:      #080c14;
  --bg3:      #0e1420;
  --surface:  #111827;
  --surface2: #1a2234;
  --border:   rgba(255,255,255,0.06);
  --border2:  rgba(255,255,255,0.12);
  --text:     #f0f4ff;
  --text2:    #8b96b0;
  --text3:    #3d4b60;
  --accent:   #3b82f6;
  --accent2:  #6366f1;
  --neon:     #00d4ff;
  --neon2:    #a78bfa;
  --green:    #10b981;
  --orange:   #f59e0b;
  --red:      #f43f5e;
  --radius:   12px;
  --radius-lg:20px;
  --shadow:   0 20px 60px rgba(0,0,0,.5);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --font-display: 'Syne', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --font-body:    'Inter', sans-serif;
}
[data-theme="light"] {
  --bg:#f8faff; --bg2:#eef2fc; --bg3:#e4eaf8;
  --surface:#fff; --surface2:#f1f5fe;
  --border:rgba(0,0,0,.06); --border2:rgba(0,0,0,.12);
  --text:#0f172a; --text2:#475569; --text3:#94a3b8;
  --shadow:0 20px 60px rgba(0,0,0,.1);
}

/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);overflow-x:hidden;line-height:1.6;transition:background .4s,color .4s}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:var(--font-body)}
img{max-width:100%}
ul{list-style:none}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--surface2);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ===== LOADER ===== */
#loader{
  position:fixed;inset:0;z-index:9999;background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;
  transition:opacity .6s,visibility .6s;
}
#loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-logo{
  font-family:var(--font-display);font-size:3.5rem;font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--neon2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  animation:loaderPulse 1.5s ease-in-out infinite;
}
.loader-bar{width:220px;height:2px;background:var(--surface2);border-radius:99px;overflow:hidden}
.loader-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--neon));border-radius:99px;animation:loaderFill 2.3s ease-out forwards}
.loader-msg{font-family:var(--font-mono);font-size:.72rem;color:var(--text3);letter-spacing:.12em;min-height:1em;transition:opacity .3s}
@keyframes loaderFill{to{width:100%}}
@keyframes loaderPulse{0%,100%{opacity:1}50%{opacity:.6}}

/* ===== PARTICLES ===== */
#particles{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.45}

/* ===== NAVBAR ===== */
#navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;height:64px;
  display:flex;align-items:center;padding:0 2rem;gap:2rem;
  transition:var(--transition);
}
#navbar.scrolled{
  background:rgba(3,5,8,.75);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);box-shadow:0 4px 30px rgba(0,0,0,.3);
}
[data-theme="light"] #navbar.scrolled{background:rgba(248,250,255,.85)}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.1rem;margin-right:auto}
.logo-badge{
  width:32px;height:32px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;color:#fff;font-weight:700;flex-shrink:0;
}
.logo-text span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:1.75rem}
.nav-links a{
  font-size:.875rem;font-weight:500;color:var(--text2);
  transition:var(--transition);position:relative;padding:4px 0;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-2px;left:0;
  width:0;height:2px;background:var(--accent);border-radius:99px;
  transition:width .3s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}

/* Dropdown */
.nav-dropdown{position:relative}
.nav-arrow{font-size:.6rem;margin-left:3px;transition:transform .2s}
.nav-dropdown:hover .nav-arrow{transform:rotate(180deg)}
.dropdown-menu{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%);
  background:var(--surface);border:1px solid var(--border2);border-radius:var(--radius);
  padding:.5rem;min-width:200px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s,visibility .2s,transform .2s;
  transform:translateX(-50%) translateY(-8px);
  box-shadow:var(--shadow);z-index:200;
}
.nav-dropdown:hover .dropdown-menu{
  opacity:1;visibility:visible;pointer-events:all;
  transform:translateX(-50%) translateY(0);
}
.dropdown-menu li a{
  display:flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:8px;font-size:.83rem;
  color:var(--text2);transition:var(--transition);
}
.dropdown-menu li a:hover{background:var(--surface2);color:var(--text)}
.dropdown-menu li a::after{display:none}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-icon{
  width:36px;height:36px;border-radius:8px;border:1px solid var(--border2);
  background:transparent;color:var(--text);font-size:1rem;
  display:flex;align-items:center;justify-content:center;transition:var(--transition);
}
.btn-icon:hover{background:var(--surface2)}
.btn-cta{
  padding:8px 18px;border-radius:8px;background:var(--accent);
  color:#fff;border:none;font-size:.875rem;font-weight:600;
  transition:var(--transition);white-space:nowrap;display:inline-block;
}
.btn-cta:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 15px rgba(59,130,246,.35)}
.hamburger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:1px solid var(--border2);border-radius:8px;
  padding:7px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:99px;transition:var(--transition)}

/* Mobile menu */
#mobile-menu{
  display:none;position:fixed;top:64px;left:0;right:0;z-index:99;
  background:var(--bg2);border-bottom:1px solid var(--border);
  padding:1rem 1.5rem;flex-direction:column;gap:.25rem;
  max-height:calc(100vh - 64px);overflow-y:auto;
}
#mobile-menu.open{display:flex}
.mobile-section{display:flex;flex-direction:column;gap:.25rem;padding:.75rem 0;border-bottom:1px solid var(--border)}
.mobile-section:last-of-type{border-bottom:none}
.mobile-label{font-family:var(--font-mono);font-size:.7rem;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.1em;padding:4px 0 6px}
#mobile-menu a{color:var(--text2);font-size:.9rem;padding:6px 8px;border-radius:6px;transition:var(--transition)}
#mobile-menu a:hover{color:var(--text);background:var(--surface)}

/* ===== DEMO BANNER ===== */
#demo-banner{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:44px;
  background:rgba(3,5,8,.92);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border2);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 1.5rem;gap:1rem;
}
.demo-banner-left{display:flex;align-items:center;gap:12px}
.demo-banner-logo{display:flex;align-items:center;gap:8px;font-size:.83rem;font-weight:600;font-family:var(--font-display)}
.demo-banner-logo strong{color:var(--accent)}
.demo-banner-sep{width:1px;height:16px;background:var(--border2)}
.demo-banner-tag{display:flex;align-items:center;gap:6px;font-size:.78rem;color:var(--text2);font-family:var(--font-mono)}
.demo-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:demoPulse 2s ease-in-out infinite;flex-shrink:0}
@keyframes demoPulse{0%,100%{opacity:1}50%{opacity:.4}}
.demo-banner-right{display:flex;align-items:center;gap:10px}
.demo-banner-hint{font-size:.78rem;color:var(--text3)}
.demo-banner-cta{
  padding:5px 14px;border-radius:6px;background:var(--accent);
  color:#fff;font-size:.78rem;font-weight:600;white-space:nowrap;
  transition:var(--transition);
}
.demo-banner-cta:hover{background:#2563eb}
.demo-banner-back{
  font-size:.78rem;color:var(--text2);
  padding:5px 10px;border-radius:6px;border:1px solid var(--border2);
  transition:var(--transition);white-space:nowrap;
}
.demo-banner-back:hover{color:var(--text);background:var(--surface2)}

/* ===== LAYOUT ===== */
.container{max-width:1200px;margin:0 auto;padding:0 2rem}
section{position:relative;z-index:1}
.section-label{
  display:flex;align-items:center;gap:8px;margin-bottom:12px;
  font-family:var(--font-mono);font-size:.72rem;font-weight:700;
  letter-spacing:.15em;text-transform:uppercase;color:var(--accent);
}
.section-label::before{content:'';width:20px;height:2px;background:var(--accent);border-radius:99px}
.section-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.15;margin-bottom:1rem}
.section-desc{color:var(--text2);max-width:560px;font-size:1.05rem;line-height:1.7}
.gradient-text{
  background:linear-gradient(135deg,var(--accent),var(--neon));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ===== GRID BG ===== */
.grid-bg::before{
  content:'';position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,black 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 80%);
}

/* ===== HERO ===== */
#hero{
  min-height:100vh;display:flex;align-items:center;
  padding:6rem 0 4rem;position:relative;overflow:hidden;
}
.hero-wrap{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:99px;
  border:1px solid rgba(59,130,246,.3);background:rgba(59,130,246,.1);
  font-family:var(--font-mono);font-size:.72rem;color:var(--neon);margin-bottom:1.5rem;
}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--neon);animation:pulseDot 2s ease-in-out infinite;flex-shrink:0}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
.hero-title{font-family:var(--font-display);font-size:clamp(2.5rem,5vw,4.5rem);font-weight:800;line-height:1.1;margin-bottom:1.5rem}
.typing-wrap{display:block;min-height:1.2em}
#typed{color:var(--accent)}
.cursor-blink{animation:blink 1s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.hero-desc{color:var(--text2);font-size:1.1rem;margin-bottom:2rem;max-width:480px;line-height:1.7}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary{
  padding:14px 28px;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;border:none;font-weight:600;font-size:.95rem;
  transition:var(--transition);display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 4px 20px rgba(59,130,246,.3);cursor:pointer;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(59,130,246,.4)}
.btn-secondary{
  padding:14px 28px;border-radius:var(--radius);background:transparent;
  color:var(--text);border:1px solid var(--border2);font-weight:500;font-size:.95rem;
  transition:var(--transition);display:inline-flex;align-items:center;gap:8px;
}
.btn-secondary:hover{background:var(--surface2)}
.hero-stats{display:flex;gap:2rem;margin-top:2.5rem;padding-top:2rem;border-top:1px solid var(--border);flex-wrap:wrap}
.stat-num{font-family:var(--font-display);font-size:1.8rem;font-weight:800}
.stat-label{font-size:.8rem;color:var(--text2);margin-top:2px}

/* ===== CATEGORY CARDS ===== */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3rem}
.category-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:2rem;transition:var(--transition);position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:1rem;
}
.category-card::before{
  content:'';position:absolute;inset:0;opacity:0;transition:opacity .3s;pointer-events:none;
  background:linear-gradient(135deg,rgba(59,130,246,.05),transparent);
}
.category-card:hover{border-color:var(--border2);transform:translateY(-4px);box-shadow:0 0 40px rgba(59,130,246,.1)}
.category-card:hover::before{opacity:1}
.cat-icon{font-size:2.5rem}
.cat-title{font-family:var(--font-display);font-size:1.2rem;font-weight:700}
.cat-desc{font-size:.875rem;color:var(--text2);line-height:1.6}
.cat-demos{display:flex;flex-direction:column;gap:6px;margin-top:.5rem}
.cat-demo-link{
  display:flex;align-items:center;gap:8px;padding:8px 12px;
  border-radius:8px;background:var(--bg3);border:1px solid var(--border);
  font-size:.83rem;color:var(--text2);transition:var(--transition);
}
.cat-demo-link:hover{background:var(--surface2);border-color:var(--border2);color:var(--text)}
.cat-demo-link span{margin-left:auto;font-size:.75rem;color:var(--accent)}

/* ===== TRUSTED ===== */
#trusted{padding:2.5rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg2)}
.trusted-inner{display:flex;align-items:center;gap:2rem;overflow:hidden}
.trusted-label{font-family:var(--font-mono);font-size:.7rem;color:var(--text3);white-space:nowrap;flex-shrink:0;padding-left:1rem}
.trusted-track{display:flex;gap:3rem;align-items:center;white-space:nowrap;animation:marquee 22s linear infinite}
.trusted-track:hover{animation-play-state:paused}
.trusted-item{font-family:var(--font-display);font-size:1rem;font-weight:700;color:var(--text3);transition:color .2s;cursor:default}
.trusted-item:hover{color:var(--text2)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ===== TOAST ===== */
#toast-container{position:fixed;bottom:24px;right:24px;z-index:9998;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{
  pointer-events:all;display:flex;align-items:center;gap:12px;
  background:var(--surface);border:1px solid var(--border2);border-radius:var(--radius);
  padding:12px 16px;min-width:260px;max-width:340px;
  box-shadow:var(--shadow);animation:toastIn .3s ease;font-size:.875rem;
}
.toast.out{animation:toastOut .3s ease forwards}
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
@keyframes toastOut{to{opacity:0;transform:translateX(40px)}}
.toast-close{background:none;border:none;color:var(--text3);font-size:.95rem;margin-left:auto;cursor:pointer;transition:color .2s}
.toast-close:hover{color:var(--text)}

/* ===== FOOTER ===== */
footer{padding:4rem 0 2rem;border-top:1px solid var(--border);background:var(--bg2);position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand p{font-size:.85rem;color:var(--text2);margin-top:.75rem;max-width:240px;line-height:1.6}
.footer-col h4{font-family:var(--font-display);font-size:.875rem;font-weight:700;margin-bottom:1rem}
.footer-col ul{display:flex;flex-direction:column;gap:8px}
.footer-col ul li a{font-size:.85rem;color:var(--text2);transition:color .2s}
.footer-col ul li a:hover{color:var(--text)}
.footer-socials{display:flex;gap:8px}
.soc-btn{
  width:34px;height:34px;border-radius:8px;border:1px solid var(--border2);
  background:transparent;display:flex;align-items:center;justify-content:center;
  font-size:.85rem;transition:var(--transition);
}
.soc-btn:hover{background:var(--surface2)}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:1.75rem;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;
}
.footer-bottom span{font-size:.78rem;color:var(--text3)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .hero-wrap{grid-template-columns:1fr}
  .hero-right{display:none}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .demo-banner-hint{display:none}
}
@media(max-width:768px){
  .nav-links,.btn-cta{display:none}
  .hamburger{display:flex}
  .category-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .demo-banner-right .demo-banner-back{display:none}
}