*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
    --primary:#3b82f6;--primary-dark:#2563eb;--primary-light:#60a5fa;
    --accent:#8b5cf6;--accent-light:#a78bfa;
    --bg:#ffffff;--bg-alt:#f8fafc;--bg-dark:#0f172a;
    --text:#1e293b;--text-muted:#64748b;--text-light:#94a3b8;
    --border:#e2e8f0;--border-light:#f1f5f9;
    --radius:16px;
    --shadow-sm:0 1px 2px rgba(0,0,0,.05);
    --shadow:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg:0 10px 25px -3px rgba(0,0,0,.08),0 4px 6px -4px rgba(0,0,0,.04);
    --shadow-xl:0 20px 50px -12px rgba(0,0,0,.12);
    --gradient:linear-gradient(135deg,#3b82f6,#8b5cf6);
    --gradient-subtle:linear-gradient(135deg,rgba(59,130,246,.08),rgba(139,92,246,.08));
}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.section-container{max-width:1200px;margin:0 auto;padding:0 24px}

@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-30px)}to{opacity:1;transform:translateX(0)}}
@keyframes slideInRight{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes pulse-ring{0%{transform:scale(.8);opacity:1}100%{transform:scale(2.2);opacity:0}}
@keyframes gradient-shift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}

.animate-on-scroll{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.animate-on-scroll.visible{opacity:1;transform:translateY(0)}

.navbar{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:rgba(255,255,255,.85);backdrop-filter:blur(20px) saturate(180%);
    border-bottom:1px solid rgba(226,232,240,.6);
    transition:all .3s ease;
}
.navbar.scrolled{background:rgba(255,255,255,.95);box-shadow:0 1px 12px rgba(0,0,0,.06)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700;font-size:1.15rem}
.logo-img{width:38px;height:38px;object-fit:contain;transition:transform .3s}
.nav-logo:hover .logo-img{transform:scale(1.08)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{text-decoration:none;color:var(--text-muted);font-size:.9rem;font-weight:500;transition:color .2s;position:relative}
.nav-links a:not(.nav-btn)::after{
    content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
    background:var(--gradient);border-radius:2px;transition:width .3s;
}
.nav-links a:not(.nav-btn):hover{color:var(--primary)}
.nav-links a:not(.nav-btn):hover::after{width:100%}
.nav-btn{
    background:var(--gradient) !important;color:#fff !important;
    padding:10px 24px;border-radius:10px;font-weight:600 !important;
    transition:all .25s !important;box-shadow:0 2px 8px rgba(59,130,246,.25);
}
.nav-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(59,130,246,.35) !important}
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.mobile-menu-btn span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
.mobile-menu-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{
    position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
    text-align:center;padding:120px 24px 80px;overflow:hidden;
}
.hero-bg{
    position:absolute;inset:0;
    background:
        radial-gradient(ellipse at 20% 20%,rgba(59,130,246,.1) 0%,transparent 50%),
        radial-gradient(ellipse at 80% 20%,rgba(139,92,246,.08) 0%,transparent 50%),
        radial-gradient(ellipse at 50% 80%,rgba(59,130,246,.05) 0%,transparent 50%);
}
.hero-bg::before{
    content:'';position:absolute;inset:0;
    background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233b82f6' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-orb{
    position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;
    animation:float 8s ease-in-out infinite;
}
.hero-orb-1{width:400px;height:400px;background:rgba(59,130,246,.12);top:5%;left:10%;animation-delay:-2s}
.hero-orb-2{width:300px;height:300px;background:rgba(139,92,246,.1);top:15%;right:8%;animation-delay:-4s}
.hero-orb-3{width:250px;height:250px;background:rgba(59,130,246,.08);bottom:15%;right:20%;animation-delay:-6s}

.hero-content{position:relative;max-width:760px;animation:fadeInUp .8s ease-out}
.hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 20px;border-radius:24px;
    font-size:.82rem;font-weight:600;color:var(--primary);
    background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.15);
    margin-bottom:28px;animation:fadeIn 1s ease-out .3s both;
}
.hero-badge::before{
    content:'';width:6px;height:6px;border-radius:50%;background:var(--primary);
    box-shadow:0 0 8px rgba(59,130,246,.5);animation:pulse-ring 2s infinite;
}
.hero h1{
    font-size:clamp(2.4rem,5vw,3.8rem);font-weight:800;line-height:1.12;
    margin-bottom:24px;letter-spacing:-.03em;
    animation:fadeInUp .8s ease-out .2s both;
}
.gradient-text{
    background:linear-gradient(135deg,#3b82f6 0%,#8b5cf6 50%,#3b82f6 100%);
    background-size:200% auto;
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
    animation:gradient-shift 4s ease infinite;
}
.hero-desc{
    font-size:1.15rem;color:var(--text-muted);max-width:580px;margin:0 auto 40px;line-height:1.75;
    animation:fadeInUp .8s ease-out .4s both;
}
.hero-actions{
    display:flex;gap:16px;justify-content:center;margin-bottom:60px;
    animation:fadeInUp .8s ease-out .5s both;
}
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 32px;border-radius:12px;font-size:.95rem;font-weight:600;
    text-decoration:none;transition:all .25s;cursor:pointer;border:none;
}
.btn-primary{
    background:var(--gradient);color:#fff;
    box-shadow:0 4px 15px rgba(59,130,246,.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(59,130,246,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-primary svg{transition:transform .2s}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-outline{
    border:1.5px solid var(--border);color:var(--text);background:rgba(255,255,255,.8);
    backdrop-filter:blur(8px);
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(59,130,246,.04)}

.hero-stats{
    display:flex;gap:0;justify-content:center;align-items:center;
    animation:fadeInUp .8s ease-out .6s both;
}
.stat{display:flex;flex-direction:column;align-items:center;padding:0 36px}
.stat-value{font-size:2rem;font-weight:800;color:var(--text);letter-spacing:-.02em}
.stat-label{font-size:.78rem;color:var(--text-muted);margin-top:4px;text-transform:uppercase;letter-spacing:1px;font-weight:500}
.stat-divider{width:1px;height:40px;background:var(--border)}

.features,.solutions,.about{padding:100px 0}
.features{background:var(--bg-alt);position:relative}
.features::before{
    content:'';position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,var(--border),transparent);
}
.section-header{text-align:center;max-width:600px;margin:0 auto 64px}
.section-tag{
    display:inline-block;padding:5px 16px;border-radius:20px;
    font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;
    color:var(--primary);background:rgba(59,130,246,.08);
    border:1px solid rgba(59,130,246,.12);margin-bottom:16px;
}
.section-header h2{font-size:2.2rem;font-weight:800;margin-bottom:14px;letter-spacing:-.02em}
.section-header p{color:var(--text-muted);font-size:1.05rem;line-height:1.7}

.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
    background:#fff;border:1px solid var(--border-light);
    border-radius:var(--radius);padding:36px 30px;
    transition:all .35s cubic-bezier(.4,0,.2,1);
    position:relative;overflow:hidden;
}
.feature-card::before{
    content:'';position:absolute;top:0;left:0;right:0;height:3px;
    background:var(--gradient);transform:scaleX(0);transform-origin:left;
    transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.feature-card:hover{
    transform:translateY(-6px);
    box-shadow:var(--shadow-xl);
    border-color:rgba(59,130,246,.15);
}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{
    width:52px;height:52px;border-radius:14px;
    background:var(--gradient-subtle);
    display:flex;align-items:center;justify-content:center;
    margin-bottom:22px;color:var(--primary);
    transition:all .35s;
}
.feature-card:hover .feature-icon{
    background:var(--gradient);color:#fff;
    box-shadow:0 4px 12px rgba(59,130,246,.3);
}
.feature-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;color:var(--text)}
.feature-card p{color:var(--text-muted);font-size:.9rem;line-height:1.7}

.solutions{position:relative}
.solutions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.solution-card{
    background:var(--bg-alt);border:1px solid var(--border-light);
    border-radius:var(--radius);padding:40px 36px;
    transition:all .35s cubic-bezier(.4,0,.2,1);
    position:relative;overflow:hidden;
}
.solution-card::after{
    content:'';position:absolute;inset:0;
    background:var(--gradient-subtle);opacity:0;transition:opacity .35s;
}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(59,130,246,.15)}
.solution-card:hover::after{opacity:1}
.solution-card>*{position:relative;z-index:1}
.solution-number{
    font-size:3rem;font-weight:900;
    background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
    opacity:.2;margin-bottom:8px;line-height:1;
    transition:opacity .35s;
}
.solution-card:hover .solution-number{opacity:.4}
.solution-card h3{font-size:1.2rem;font-weight:700;margin-bottom:12px}
.solution-card p{color:var(--text-muted);font-size:.9rem;line-height:1.7}

.about{background:var(--bg-alt);position:relative}
.about::before{
    content:'';position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,var(--border),transparent);
}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-text h2{font-size:2.2rem;font-weight:800;margin-bottom:20px;letter-spacing:-.02em}
.about-text p{color:var(--text-muted);margin-bottom:16px;line-height:1.75;font-size:1.02rem}
.about-text .btn{margin-top:16px}
.about-features{display:flex;flex-direction:column;gap:14px}
.about-feature{
    display:flex;align-items:center;gap:14px;padding:16px 22px;
    background:#fff;border:1px solid var(--border-light);
    border-radius:12px;font-size:.92rem;font-weight:500;
    transition:all .25s;
}
.about-feature:hover{
    border-color:rgba(59,130,246,.2);
    box-shadow:var(--shadow);
    transform:translateX(4px);
}
.check-icon{
    width:24px;height:24px;border-radius:8px;
    background:var(--gradient-subtle);color:var(--primary);
    display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:.85rem;flex-shrink:0;
}

.cta-section{
    padding:100px 0;background:var(--bg-dark);position:relative;overflow:hidden;
    text-align:center;color:#fff;
}
.cta-section::before{
    content:'';position:absolute;inset:0;
    background:
        radial-gradient(ellipse at 30% 50%,rgba(59,130,246,.15) 0%,transparent 50%),
        radial-gradient(ellipse at 70% 50%,rgba(139,92,246,.1) 0%,transparent 50%);
}
.cta-content{position:relative;z-index:1;max-width:600px;margin:0 auto}
.cta-content h2{font-size:2.4rem;font-weight:800;margin-bottom:16px;letter-spacing:-.02em}
.cta-content p{color:rgba(255,255,255,.7);font-size:1.1rem;margin-bottom:36px;line-height:1.7}
.btn-white{
    background:#fff;color:var(--text);padding:14px 36px;
    border-radius:12px;font-weight:700;
    box-shadow:0 4px 14px rgba(0,0,0,.15);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.2)}

.footer{border-top:1px solid var(--border);padding:36px 0;background:var(--bg)}
.footer-content{display:flex;align-items:center;justify-content:space-between}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1rem;color:var(--text)}
.footer-logo{width:28px;height:28px;object-fit:contain}
.footer-copy{color:var(--text-muted);font-size:.85rem}

@media(max-width:1024px){
    .features-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .nav-links{
        position:fixed;top:68px;left:0;right:0;background:rgba(255,255,255,.98);
        backdrop-filter:blur(20px);flex-direction:column;padding:24px;gap:16px;
        transform:translateY(-120%);transition:transform .35s cubic-bezier(.4,0,.2,1);
        border-bottom:1px solid var(--border);box-shadow:0 4px 16px rgba(0,0,0,.06);
    }
    .nav-links.open{transform:translateY(0)}
    .mobile-menu-btn{display:flex}
    .features-grid{grid-template-columns:1fr}
    .solutions-grid{grid-template-columns:1fr}
    .about-content{grid-template-columns:1fr;gap:40px}
    .hero-stats{flex-wrap:wrap;gap:16px}
    .stat{padding:8px 20px}
    .stat-divider{display:none}
    .footer-content{flex-direction:column;gap:12px;text-align:center}
    .hero-actions{flex-direction:column;align-items:center}
    .hero h1{font-size:2.2rem}
    .section-header h2{font-size:1.7rem}
    .cta-content h2{font-size:1.8rem}
}

/* Dark Mode */
[data-theme="dark"] {
    --bg: #0f172a;
    --bg-alt: #1e293b;
    --bg-dark: #0f172a;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --border: #334155;
    --border-light: #1e293b;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.2);
    --shadow: 0 4px 6px rgba(0,0,0,.2);
    --shadow-lg: 0 10px 25px rgba(0,0,0,.25);
    --shadow-xl: 0 20px 50px rgba(0,0,0,.3);
    --gradient-subtle: linear-gradient(135deg, rgba(59,130,246,.15), rgba(139,92,246,.15));
}
[data-theme="dark"] body {
    background: var(--bg);
}
[data-theme="dark"] .navbar {
    background: rgba(15,23,42,.92);
    backdrop-filter: blur(20px);
    border-bottom-color: rgba(255,255,255,.06);
}
[data-theme="dark"] .navbar.scrolled {
    background: rgba(15,23,42,.97);
    box-shadow: 0 1px 12px rgba(0,0,0,.15);
}
[data-theme="dark"] .lang-dropdown {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .lang-option:hover {
    background: rgba(59,130,246,.1);
}
[data-theme="dark"] .mobile-menu-btn span {
    background: #e2e8f0;
}
.theme-toggle-landing {
    width: 36px; height: 36px; border-radius: 8px;
    border: 1px solid var(--border); background: transparent;
    color: var(--text-muted); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all .25s; font-size: 1rem; padding: 0;
}
.theme-toggle-landing:hover {
    border-color: var(--primary); color: var(--primary);
}
.theme-toggle-landing .t-sun,
.theme-toggle-landing .t-moon { display: none; width: 18px; height: 18px; }
[data-theme="light"] .theme-toggle-landing .t-moon { display: block; }
[data-theme="dark"] .theme-toggle-landing .t-sun { display: block; }