:root{
  --primary:#2563EB;
  --primary-dark:#1D4ED8;
  --secondary:#14B8A6;
  --accent:#3B82F6;
  --dark:#111827;
  --bg:#F8FAFC;
  --surface:#FFFFFF;
  --text:#111827;
  --text-secondary:#4B5563;
  --text-muted:#9CA3AF;
  --border:#E5E7EB;
  --radius:14px;
  --primary-tint:#EFF4FE;
  --secondary-tint:#EAFBF8;
  --font-display:'Poppins',sans-serif;
  --font-body:'Inter',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
h1,h2,h3{font-family:var(--font-display);font-weight:600;color:var(--dark);line-height:1.25;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:0.5px;text-transform:uppercase;color:var(--primary);margin-bottom:8px;display:block;}
.section{padding:44px 0;}
.section-head{max-width:600px;margin:0 auto 24px;text-align:center;}
.section-head h2{font-size:28px;margin-bottom:8px;}
.section-head p{color:var(--text-secondary);font-size:15px;}
.section-alt{background:var(--surface);}

/* Reveal — visible by default so tab changes never flash a blank screen */
.reveal{opacity:1;transform:none;}
.reveal.in{opacity:1;transform:none;}

/* Icons */
.ti{font-family:"tabler-icons"!important;font-style:normal;font-weight:400;line-height:1;speak:none;-webkit-font-smoothing:antialiased;}

/* Nav — brand on row 1, menu always on row 2 (same on every page) */
#navbar{position:sticky;top:0;z-index:100;background:rgba(248,250,252,0.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.nav-inner{max-width:1180px;margin:0 auto;padding:8px 24px 6px;display:flex;flex-direction:column;align-items:stretch;gap:4px;}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.logo{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--dark);display:inline-flex;align-items:center;gap:9px;}
.logo .logo-text{display:inline;}
.logo .logo-sub{color:var(--text-secondary);font-weight:500;}
.logo .mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:14px;flex-shrink:0;}
.logo-footer{color:#fff;}
.nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:2px 22px;font-size:14px;font-weight:500;color:var(--text-secondary);width:100%;padding-top:6px;border-top:1px solid var(--border);}
.nav-links a{padding:3px 0;border-bottom:2px solid transparent;transition:color .15s;}
.nav-links a:hover{color:var(--dark);}
.nav-links a.active{color:var(--primary);border-color:var(--primary);}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-contact-btn{padding:8px 14px;font-size:13px;}
.hamburger{display:none;background:none;border:1px solid var(--border);border-radius:9px;width:38px;height:38px;align-items:center;justify-content:center;font-size:18px;cursor:pointer;}
.footer-tagline{font-size:13.5px;color:#9AA6BD;margin-top:12px;max-width:270px;}
.page-hero{padding:20px 0 0;}
.page-hero .container{text-align:left;}
.page-hero h1{font-size:30px;max-width:720px;margin-bottom:0;}
.page-hero + .section{padding-top:20px;}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);font-weight:600;font-size:14.5px;padding:12px 20px;border-radius:10px;border:1px solid var(--border);cursor:pointer;background:var(--surface);color:var(--dark);transition:transform .15s, box-shadow .15s, background .15s;}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 8px 20px -8px rgba(37,99,235,0.5);}
.btn-primary:hover{background:var(--primary-dark);}
.btn-ghost:hover{background:var(--primary-tint);border-color:var(--primary);}

/* Hero */
.hero{padding:28px 0 28px;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,0.14),transparent 70%);}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:32px;align-items:center;position:relative;}
.badge-pill{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;background:var(--primary-tint);color:var(--primary);padding:6px 14px;border-radius:30px;margin-bottom:12px;}
.hero h1{font-size:40px;letter-spacing:-0.8px;margin-bottom:12px;}
.hero h1 span{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p{font-size:16px;color:var(--text-secondary);max-width:480px;margin-bottom:18px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-visual{background:linear-gradient(160deg,var(--primary-tint),var(--secondary-tint));border-radius:18px;padding:20px;border:1px solid var(--border);}
.hero-visual .glass-card{background:rgba(255,255,255,0.7);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.6);border-radius:14px;padding:14px;margin-bottom:10px;box-shadow:0 12px 30px -14px rgba(17,24,39,0.15);}
.hero-visual .glass-card:last-child{margin-bottom:0;}
.hero-visual .glass-card h4{font-size:14px;margin-bottom:4px;}
.hero-visual .glass-card p{font-size:12px;color:var(--text-secondary);}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stat{text-align:center;padding:18px 12px;background:var(--surface);}
.stat b{display:block;font-family:var(--font-display);font-size:26px;color:var(--dark);}
.stat span{font-size:11.5px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.4px;}

/* Cards / grid */
.grid{display:grid;gap:16px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:transform .2s, box-shadow .2s, border-color .2s;}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 34px -18px rgba(17,24,39,0.18);border-color:#C7D8FB;}
.icon-tile{width:42px;height:42px;border-radius:11px;background:var(--primary-tint);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:12px;}
.icon-tile.teal{background:var(--secondary-tint);color:var(--secondary);}
.card h3{font-size:16px;margin-bottom:6px;}
.card p{font-size:13.5px;color:var(--text-secondary);}
.card .benefits{margin-top:10px;padding-top:10px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-muted);}
.learn-more{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--primary);margin-top:12px;}

/* Tech grid */
.tech-card{text-align:center;padding:18px 12px;}
.tech-card .icon-tile{margin:0 auto 10px;}
.tech-card h3{font-size:14px;}

/* Why choose */
.why-card{text-align:center;}
.why-card .icon-tile{margin:0 auto 12px;}

/* Products */
.product-hero{background:linear-gradient(135deg,var(--primary-tint),var(--secondary-tint));border-radius:18px;padding:28px;border:1px solid var(--border);display:flex;gap:22px;align-items:center;flex-wrap:wrap;}
.product-hero .icon-tile{width:56px;height:56px;font-size:24px;border-radius:14px;}
.status-badge{display:inline-block;font-size:11.5px;font-weight:600;padding:4px 12px;border-radius:14px;background:var(--secondary-tint);color:#0F6D62;margin-left:10px;}
.status-badge.dev{background:#FEF3E2;color:#9A5B00;}
.coming-soon{opacity:0.75;}

/* Timeline */
.timeline{border-left:2px solid var(--border);margin-left:12px;padding-left:24px;}
.timeline-item{position:relative;margin-bottom:22px;}
.timeline-item::before{content:'';position:absolute;left:-31px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--primary);}
.timeline-item h4{font-size:15px;margin-bottom:4px;}
.timeline-item p{font-size:13.5px;color:var(--text-secondary);}

/* Testimonials / clients */
.testi-wrap{max-width:660px;margin:0 auto;text-align:center;}
.testi-quote{font-family:var(--font-display);font-size:20px;color:var(--dark);margin-bottom:14px;min-height:72px;font-weight:500;}
.testi-person{font-size:13.5px;color:var(--text-secondary);margin-bottom:16px;}
.testi-nav{display:flex;justify-content:center;gap:12px;}
.testi-dot{width:28px;height:28px;border-radius:50%;border:1px solid var(--border);background:var(--surface);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;}
.client-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.client-badge{font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--text-muted);border:1px dashed var(--border);padding:12px 20px;border-radius:10px;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;}
.field input,.field textarea{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:10px;font-family:var(--font-body);font-size:14px;background:var(--surface);}
.field textarea{resize:vertical;min-height:100px;}
.success-msg{display:none;background:var(--secondary-tint);color:#0F6D62;padding:12px 14px;border-radius:10px;font-size:13.5px;margin-top:12px;}
.info-row{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px;}
.info-row i{font-size:19px;color:var(--primary);margin-top:2px;}
.info-row span{font-size:14.5px;color:var(--text-secondary);}
.map-placeholder{width:100%;height:150px;border-radius:14px;background:repeating-linear-gradient(45deg,var(--primary-tint),var(--primary-tint) 10px,var(--secondary-tint) 10px,var(--secondary-tint) 20px);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px;border:1px solid var(--border);margin-top:14px;}

/* Legal pages */
.legal-notice{background:#FEF3E2;border:1px solid #FCE0B0;color:#9A5B00;padding:14px 18px;border-radius:12px;font-size:13.5px;margin-bottom:24px;}
.legal-body h2{font-size:18px;margin:22px 0 8px;}
.legal-body p{font-size:14px;color:var(--text-secondary);margin-bottom:8px;}

/* Footer */
footer{background:var(--dark);color:#B9C2D4;padding:40px 0 20px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px;}
footer h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;}
footer li{font-size:13.5px;margin-bottom:9px;}
footer li a{color:#9AA6BD;transition:color .15s;cursor:pointer;}
footer li a:hover{color:#fff;}
.social-row{display:flex;gap:10px;margin-top:14px;}
.social-icon{width:34px;height:34px;border-radius:50%;border:1px solid #2A3548;display:flex;align-items:center;justify-content:center;color:#B9C2D4;font-size:15px;transition:background .15s, color .15s;}
.social-icon:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.footer-bottom{border-top:1px solid #232E42;padding-top:16px;font-size:12.5px;color:#7C8AA3;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}

/* Chatbot */
#chatbot-bubble{position:fixed;bottom:26px;right:26px;width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;display:flex;align-items:center;justify-content:center;font-size:25px;cursor:pointer;border:none;z-index:200;box-shadow:0 10px 24px -10px rgba(37,99,235,0.6);}
#chatbot-panel{position:fixed;bottom:96px;right:26px;width:330px;max-height:430px;background:var(--surface);border:1px solid var(--border);border-radius:16px;display:none;flex-direction:column;overflow:hidden;z-index:200;box-shadow:0 20px 50px -20px rgba(17,24,39,0.3);}
#chatbot-panel.open{display:flex;}
.chat-head{background:var(--dark);color:#fff;padding:15px 17px;font-size:14px;font-weight:600;}
.chat-body{flex:1;padding:15px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;max-height:290px;}
.msg{font-size:13px;padding:9px 13px;border-radius:12px;max-width:82%;}
.msg.bot{background:var(--primary-tint);color:var(--dark);align-self:flex-start;}
.msg.user{background:var(--primary);color:#fff;align-self:flex-end;}
.chat-input{display:flex;border-top:1px solid var(--border);}
.chat-input input{flex:1;border:none;padding:13px;font-size:13px;font-family:var(--font-body);}
.chat-input input:focus{outline:none;}
.chat-input button{border:none;background:var(--primary);color:#fff;padding:0 17px;cursor:pointer;}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .nav-links{display:none;}
  .nav-links.open{display:flex;flex-direction:column;gap:4px;padding:10px 0 4px;}
  .nav-contact-btn{display:none;}
  .hamburger{display:flex;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:1fr 1fr;}
  .grid-2{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero h1{font-size:30px;}
  .hero{padding:28px 0 24px;}
  .section{padding:40px 0;}
  .page-hero{padding:20px 0 0;}
  #chatbot-panel{width:88vw;right:6vw;}
}
@media(max-width:560px){
  .grid-4{grid-template-columns:1fr 1fr;}
  .grid-3{grid-template-columns:1fr;}
}

/* ---------------- Phase 3: Dark mode ---------------- */
[data-theme="dark"]{
  --dark:#F1F5F9;
  --bg:#0B1220;
  --surface:#111A2E;
  --text:#F1F5F9;
  --text-secondary:#AEBACB;
  --text-muted:#7C8AA3;
  --border:#22304A;
  --primary-tint:#152A52;
  --secondary-tint:#0F2E2A;
}
[data-theme="dark"] .hero::before{opacity:0.5;}
[data-theme="dark"] .hero-visual{background:linear-gradient(160deg,var(--primary-tint),var(--secondary-tint));}
[data-theme="dark"] .hero-visual .glass-card{background:rgba(17,26,46,0.6);border-color:rgba(255,255,255,0.08);}
[data-theme="dark"] .map-placeholder{background:repeating-linear-gradient(45deg,var(--primary-tint),var(--primary-tint) 10px,var(--secondary-tint) 10px,var(--secondary-tint) 20px);}
[data-theme="dark"] .legal-notice{background:#3A2E10;border-color:#5A4718;color:#F5C563;}
[data-theme="dark"] .stats{background:var(--border);}

body, .card, footer, #navbar, .hero-visual .glass-card, .stat{
  transition:background-color .25s ease, color .25s ease, border-color .25s ease;
}

/* Theme toggle button */
.theme-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);display:flex;align-items:center;
  justify-content:center;font-size:17px;cursor:pointer;transition:background .15s;
}
.theme-toggle:hover{background:var(--primary-tint);}

/* Skip link (accessibility) */
.skip-link{
  position:absolute;top:-48px;left:12px;background:var(--primary);color:#fff;
  padding:10px 18px;border-radius:8px;font-size:13.5px;font-weight:600;z-index:1000;
  transition:top .15s ease;
}
.skip-link:focus{top:12px;}