/* ==========================================================================
   PLUTO TECHNOLOGY SOLUTIONS LIMITED — CORE STYLESHEET
   Design tokens derived from brand hero sample.
   ========================================================================== */

:root{
  /* Brand colors */
  --bg:#050816;
  --bg-alt:#080B23;
  --bg-panel:rgba(255,255,255,.03);
  --cyan:#00D4FF;
  --purple:#5D3BFF;
  --purple-soft:#8A5BFF;
  --white:#ffffff;
  --text:#e8e9f3;
  --text-muted:#9BA0B8;
  --text-dim:#6b7089;
  --border:rgba(255,255,255,.08);
  --border-soft:rgba(255,255,255,.14);
  --success:#2FE6A7;

  /* Gradients */
  --grad-primary:linear-gradient(90deg,var(--cyan),var(--purple));
  --grad-text:linear-gradient(90deg,#00D4FF,#8A5BFF);
  --grad-panel:linear-gradient(160deg,rgba(0,212,255,.07),rgba(93,59,255,.05));

  /* Type */
  --font:'Poppins',sans-serif;
  --fs-h1:clamp(38px,5.4vw,68px);
  --fs-h2:clamp(28px,3.6vw,44px);
  --fs-h3:clamp(20px,2.4vw,26px);
  --fs-body:16px;
  --fs-sm:14px;

  /* Layout */
  --pad-x:8%;
  --radius-sm:12px;
  --radius-md:20px;
  --radius-lg:32px;
  --radius-pill:60px;
  --maxw:1360px;

  /* Motion */
  --ease:cubic-bezier(.22,.9,.32,1);
}

/* ---------- Reset ---------- */
*{margin:0;padding:0;box-sizing:border-box;font-family:var(--font);}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  line-height:1.5;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:var(--font);cursor:pointer;border:none;background:none;}
section{position:relative;}
::selection{background:var(--cyan);color:#00131a;}

/* Visible keyboard focus */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x);}
.section-pad{padding:120px 8%;}
@media(max-width:768px){.section-pad{padding:80px 6%;}}

/* ---------- Section heading kit ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--radius-pill);
  background:rgba(0,212,255,.10);
  border:1px solid rgba(0,212,255,.30);
  color:var(--cyan);font-size:13px;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;
  margin-bottom:22px;
}
.section-head{max-width:720px;margin-bottom:60px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:var(--fs-h2);font-weight:700;line-height:1.15;margin-bottom:16px;}
.section-head p{color:var(--text-muted);font-size:17px;line-height:1.7;}
.grad-text{
  background:var(--grad-text);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:17px 34px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;transition:.35s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--grad-primary);color:#fff;}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,212,255,.28);}
.btn-secondary{border:1px solid var(--border-soft);color:var(--white);}
.btn-secondary:hover{background:var(--white);color:var(--bg);}
.btn-sm{padding:12px 24px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Nav ---------- */
nav{
  position:fixed;top:0;left:0;width:100%;z-index:999;
  padding:16px 8%;display:flex;justify-content:space-between;align-items:center;
  background:rgba(8,10,35,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.logo{display:flex;align-items:center;gap:12px;}
.logo img{width:44px;}
.logo h2{font-size:22px;font-weight:700;letter-spacing:.02em;}
.logo span{color:var(--cyan);}
.nav-links{display:flex;gap:34px;align-items:center;}
.nav-links a{font-size:15px;color:var(--text);transition:.3s;position:relative;}
.nav-links a:hover,.nav-links a.active{color:var(--cyan);}
.nav-cta{display:flex;align-items:center;gap:18px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;padding:6px;}
.nav-toggle span{width:24px;height:2px;background:var(--white);border-radius:2px;transition:.3s;}

@media(max-width:980px){
  .nav-links{
    position:fixed;top:76px;left:0;width:100%;flex-direction:column;
    background:rgba(5,8,22,.98);backdrop-filter:blur(20px);
    padding:30px 8%;gap:22px;border-bottom:1px solid var(--border);
    transform:translateY(-140%);opacity:0;transition:.4s var(--ease);pointer-events:none;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:space-between;
  padding:150px 8% 90px;position:relative;overflow:hidden;gap:40px;
}
.hero::before{
  content:"";position:absolute;width:700px;height:700px;background:var(--purple);
  filter:blur(180px);border-radius:50%;top:-260px;right:-180px;opacity:.30;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;background:var(--cyan);
  filter:blur(170px);left:-160px;bottom:-190px;opacity:.18;
}
.hero-left{width:54%;position:relative;z-index:2;}
.hero-left h1{font-size:var(--fs-h1);line-height:1.12;font-weight:800;margin-bottom:24px;}
.hero-left p{font-size:18px;line-height:1.85;color:var(--text-muted);max-width:640px;margin-bottom:42px;}
.hero-buttons{display:flex;gap:20px;flex-wrap:wrap;}
.hero-right{width:42%;display:flex;justify-content:center;align-items:center;position:relative;z-index:2;}

/* AI orbit circle */
.ai-circle{
  width:440px;height:440px;border-radius:50%;border:2px solid var(--border);
  display:flex;justify-content:center;align-items:center;position:relative;
  animation:spin 22s linear infinite;
}
.ai-circle::before{
  content:"";position:absolute;inset:-40px;border-radius:50%;
  border:1px dashed rgba(255,255,255,.06);
}
.ai-circle-core{
  width:120px;height:120px;border-radius:50%;
  background:var(--bg-alt);border:1px solid var(--border-soft);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 60px rgba(0,212,255,.18);
  animation:counterspin 22s linear infinite;
}
.ai-circle-core img{
  width:56px;max-width:75%;height:auto;object-fit:contain;
}
.orbit{position:absolute;width:100%;height:100%;border-radius:50%;}
.orbit-node{
  width:78px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  position:absolute;animation:counterspin 22s linear infinite;
}
.orbit-node .node-icon{
  width:78px;height:78px;border-radius:50%;background:var(--bg-alt);
  border:1px solid var(--border-soft);display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 26px rgba(0,212,255,.12);
}
.orbit-node .node-icon img{
  width:42px;height:auto;object-fit:contain;
}
.orbit-node .node-icon span{font-size:26px;}
.orbit-node .node-name{
  font-size:11.5px;font-weight:600;letter-spacing:.02em;color:var(--text);
  background:rgba(5,8,22,.72);padding:3px 10px;border-radius:var(--radius-pill);
  border:1px solid var(--border-soft);white-space:nowrap;backdrop-filter:blur(6px);
}
.node-pp{top:-46px;left:50%;transform:translateX(-50%);}
.node-ms{bottom:-46px;left:50%;transform:translateX(-50%);}
.node-ss{left:-100px;top:50%;transform:translateY(-50%);}

@media(max-width:980px){
  .orbit-node .node-icon{width:60px;height:60px;}
  .orbit-node .node-icon img{width:26px;}
  .orbit-node .node-name{font-size:10px;padding:2px 8px;}
  .node-ss{left:-70px;}
}

@media(max-width:980px){
  .hero{flex-direction:column;text-align:center;padding-top:130px;}
  .hero-left,.hero-right{width:100%;}
  .hero-left p{margin-left:auto;margin-right:auto;}
  .hero-buttons{justify-content:center;}
  .ai-circle{margin-top:60px;width:320px;height:320px;}
  .ai-circle-core{width:90px;height:90px;}
  .ai-circle-core img{width:48px;}
}

/* ---------- Stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;margin-top:-1px;
}
.stat-item{background:var(--bg);padding:44px 20px;text-align:center;}
.stat-num{font-size:clamp(32px,4vw,46px);font-weight:800;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.stat-label{color:var(--text-muted);font-size:14px;margin-top:8px;letter-spacing:.02em;}
@media(max-width:768px){.stats{grid-template-columns:repeat(2,1fr);}}

/* ---------- Cards ---------- */
.card{
  background:var(--grad-panel);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:36px 30px;transition:.4s var(--ease);backdrop-filter:blur(6px);
}
.card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.35);box-shadow:0 24px 50px rgba(0,0,0,.35);}
.card-icon{
  width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,212,255,.10);border:1px solid rgba(0,212,255,.25);font-size:26px;margin-bottom:22px;
}
.card h3{font-size:20px;font-weight:700;margin-bottom:12px;}
.card p{color:var(--text-muted);font-size:15px;line-height:1.7;}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
@media(max-width:980px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

/* ---------- Product cards ---------- */
.product-card{
  background:var(--grad-panel);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:40px;display:flex;flex-direction:column;gap:20px;transition:.4s var(--ease);position:relative;overflow:hidden;
}
.product-card:hover{transform:translateY(-8px);border-color:rgba(0,212,255,.35);}
.product-card .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 8px;}
.chip{
  padding:6px 14px;border-radius:var(--radius-pill);font-size:12.5px;
  background:rgba(255,255,255,.05);border:1px solid var(--border-soft);color:var(--text-muted);
}
.product-icon-lg{width:60px;height:60px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:30px;}
.icon-blue{background:rgba(0,212,255,.12);border:1px solid rgba(0,212,255,.3);}
.icon-purple{background:rgba(93,59,255,.15);border:1px solid rgba(93,59,255,.35);}
.icon-green{background:rgba(47,230,167,.12);border:1px solid rgba(47,230,167,.3);}
.product-card h3{font-size:24px;font-weight:700;}
.product-card .tagline{color:var(--cyan);font-size:14px;font-weight:600;}
.product-card p.desc{color:var(--text-muted);font-size:15px;line-height:1.7;}

/* ---------- Department grid ---------- */
.dept-item{
  background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:26px 20px;text-align:center;transition:.35s var(--ease);
}
.dept-item:hover{border-color:rgba(0,212,255,.3);background:rgba(0,212,255,.05);transform:translateY(-4px);}
.dept-item .dept-icon{font-size:28px;margin-bottom:10px;}
.dept-item h4{font-size:14.5px;font-weight:600;}

/* ---------- Team ---------- */
.team-card{
  background:var(--grad-panel);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px 24px;text-align:center;transition:.35s var(--ease);
}
.team-card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.3);}
.team-photo{
  width:104px;height:104px;border-radius:50%;margin:0 auto 18px;object-fit:cover;
  border:2px solid var(--border-soft);
}
.team-photo-fallback{
  width:104px;height:104px;border-radius:50%;margin:0 auto 18px;
  background:linear-gradient(160deg,rgba(0,212,255,.18),rgba(93,59,255,.18));
  border:1px solid var(--border-soft);display:flex;align-items:center;justify-content:center;
  font-size:28px;font-weight:700;color:var(--cyan);
}
.team-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.team-card .team-role{color:var(--cyan);font-size:13px;font-weight:600;margin-bottom:4px;}
.team-card .team-dept{color:var(--text-dim);font-size:12.5px;}

/* ---------- Leadership ---------- */
.leader-card{
  background:var(--grad-panel);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:34px 30px;text-align:center;
}
.leader-avatar,
.leader-photo{
  width:110px;height:110px;border-radius:50%;margin:0 auto 20px;
  background:linear-gradient(160deg,rgba(0,212,255,.18),rgba(93,59,255,.18));
  border:1px solid var(--border-soft);display:flex;align-items:center;justify-content:center;
  font-size:34px;font-weight:700;color:var(--cyan);object-fit:cover;
}
.leader-photo{
  display:block;
}
.leader-card h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.leader-card .role{color:var(--text-muted);font-size:13.5px;line-height:1.6;}

/* ---------- Process ---------- */
.process-row{display:flex;gap:0;overflow-x:auto;padding-bottom:10px;}
.process-step{flex:1;min-width:170px;text-align:center;padding:0 14px;position:relative;}
.process-step:not(:last-child)::after{
  content:"";position:absolute;top:26px;right:-14px;width:calc(100% - 24px);height:1px;
  background:var(--border-soft);
}
.process-num{
  width:52px;height:52px;border-radius:50%;margin:0 auto 16px;
  background:var(--bg-alt);border:1px solid rgba(0,212,255,.35);color:var(--cyan);
  display:flex;align-items:center;justify-content:center;font-weight:700;position:relative;z-index:2;
}
.process-step h4{font-size:15px;font-weight:600;margin-bottom:6px;}
.process-step p{font-size:13px;color:var(--text-dim);}

/* ---------- Tech marquee ---------- */
.tech-track-wrap{overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);}
.tech-track{display:flex;gap:60px;width:max-content;animation:marquee 26s linear infinite;}
.tech-item{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--text-muted);font-size:13px;white-space:nowrap;}
.tech-item .tech-dot{width:52px;height:52px;border-radius:16px;background:var(--bg-panel);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:22px;}

/* ---------- Testimonials ---------- */
.testimonial-card{background:var(--grad-panel);border:1px solid var(--border);border-radius:var(--radius-md);padding:32px;}
.testimonial-card p{color:var(--text);font-size:15px;line-height:1.75;margin-bottom:22px;}
.testimonial-who{display:flex;align-items:center;gap:14px;}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:rgba(0,212,255,.15);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--cyan);font-size:15px;}
.testimonial-name{font-size:14.5px;font-weight:600;}
.testimonial-role{font-size:12.5px;color:var(--text-dim);}

/* ---------- News ---------- */
.news-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:.35s var(--ease);}
.news-card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.3);}
.news-thumb{height:170px;background:var(--grad-panel);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border);}
.news-thumb img{max-height:100%;max-width:100%;object-fit:contain;}
.news-body{padding:24px;}
.news-date{font-size:12.5px;color:var(--cyan);font-weight:600;letter-spacing:.03em;}
.news-body h4{font-size:16.5px;font-weight:700;margin:10px 0 10px;line-height:1.4;}
.news-body p{font-size:14px;color:var(--text-muted);line-height:1.6;}

/* ---------- CTA ---------- */
.cta-section{
  margin:0 8%;padding:70px 8%;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(0,212,255,.10),rgba(93,59,255,.14));
  border:1px solid rgba(0,212,255,.22);text-align:center;position:relative;overflow:hidden;
}
.cta-section h2{font-size:var(--fs-h2);font-weight:800;margin-bottom:18px;}
.cta-section p{color:var(--text-muted);max-width:560px;margin:0 auto 34px;}
.cta-buttons{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;}

/* ---------- Footer ---------- */
footer{background:var(--bg-alt);border-top:1px solid var(--border);padding:80px 8% 30px;margin-top:120px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;}
.footer-brand p{color:var(--text-muted);font-size:14px;line-height:1.7;margin:18px 0 22px;max-width:280px;}
.social-row{display:flex;gap:12px;}
.social-icon{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--border-soft);
  display:flex;align-items:center;justify-content:center;font-size:15px;transition:.3s;
}
.social-icon:hover{background:var(--cyan);color:var(--bg);border-color:var(--cyan);}
.footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:20px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{color:var(--text-muted);font-size:14px;transition:.3s;}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--text-dim);font-size:13px;}
@media(max-width:980px){.footer-top{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.footer-top{grid-template-columns:1fr;}}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{padding:170px 8% 80px;text-align:center;position:relative;overflow:hidden;}
.page-hero::before{content:"";position:absolute;width:600px;height:600px;background:var(--purple);filter:blur(190px);opacity:.22;top:-260px;left:50%;transform:translateX(-50%);}
.page-hero h1{font-size:var(--fs-h1);font-weight:800;position:relative;z-index:2;margin-bottom:16px;}
.page-hero p{color:var(--text-muted);max-width:620px;margin:0 auto;position:relative;z-index:2;font-size:17px;line-height:1.7;}
.breadcrumb{font-size:13.5px;color:var(--text-dim);position:relative;z-index:2;margin-bottom:18px;}
.breadcrumb a{color:var(--cyan);}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:start;}
@media(max-width:900px){.contact-wrap{grid-template-columns:1fr;}}
.contact-info-card{background:var(--grad-panel);border:1px solid var(--border);border-radius:var(--radius-md);padding:32px;margin-bottom:18px;}
.contact-info-card h4{font-size:15px;font-weight:700;margin-bottom:6px;}
.contact-info-card p{color:var(--text-muted);font-size:14.5px;}
.form-panel{background:var(--grad-panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media(max-width:600px){.form-row{grid-template-columns:1fr;}}
.field{margin-bottom:20px;}
.field label{display:block;font-size:13.5px;color:var(--text-muted);margin-bottom:8px;font-weight:500;}
.field input,.field textarea,.field select{
  width:100%;padding:14px 16px;border-radius:12px;background:rgba(255,255,255,.03);
  border:1px solid var(--border-soft);color:var(--white);font-size:14.5px;transition:.3s;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--cyan);background:rgba(0,212,255,.04);}
.field textarea{resize:vertical;min-height:130px;}
.form-status{margin-top:16px;font-size:14px;padding:12px 16px;border-radius:10px;display:none;}
.form-status.show{display:block;}
.form-status.ok{background:rgba(47,230,167,.10);border:1px solid rgba(47,230,167,.3);color:var(--success);}
.form-status.err{background:rgba(255,90,90,.10);border:1px solid rgba(255,90,90,.3);color:#ff8a8a;}

/* ---------- Chat widget ---------- */
.chat-launcher{
  position:fixed;bottom:26px;right:26px;width:60px;height:60px;border-radius:50%;
  background:var(--grad-primary);display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 34px rgba(0,212,255,.32);z-index:1000;font-size:24px;transition:.3s var(--ease);
}
.chat-launcher:hover{transform:scale(1.08);}
.chat-launcher .dot{
  position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:50%;
  background:var(--success);border:2px solid var(--bg);
}
.chat-window{
  position:fixed;bottom:100px;right:26px;width:360px;max-width:calc(100vw - 40px);
  height:480px;max-height:calc(100vh - 140px);background:var(--bg-alt);
  border:1px solid var(--border-soft);border-radius:var(--radius-md);
  display:flex;flex-direction:column;overflow:hidden;z-index:1000;
  box-shadow:0 30px 70px rgba(0,0,0,.5);
  transform:translateY(20px) scale(.97);opacity:0;pointer-events:none;transition:.3s var(--ease);
}
.chat-window.open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto;}
.chat-header{
  padding:18px 20px;background:var(--grad-primary);display:flex;justify-content:space-between;align-items:center;
}
.chat-header h4{font-size:15px;font-weight:700;}
.chat-quick-label{padding:0 18px 4px;color:var(--text-muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;}
.chat-quick-actions{display:flex;flex-wrap:wrap;gap:10px;padding:0 18px 10px;}
.quick-action{border:none;padding:10px 12px;border-radius:999px;background:rgba(0,212,255,.12);color:#fff;font-size:12.5px;cursor:pointer;transition:.2s;}
.quick-action:hover{background:rgba(0,212,255,.22);}
.chat-header span{font-size:12px;opacity:.9;display:block;margin-top:2px;}
.chat-close{color:#fff;font-size:20px;background:none;line-height:1;}
.chat-body{flex:1;padding:18px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;}
.chat-msg{max-width:80%;padding:11px 15px;border-radius:14px;font-size:13.5px;line-height:1.5;}
.chat-msg.bot{background:rgba(255,255,255,.06);border-bottom-left-radius:4px;align-self:flex-start;}
.chat-msg.user{background:var(--grad-primary);border-bottom-right-radius:4px;align-self:flex-end;color:#fff;}
.chat-input-row{display:flex;gap:10px;padding:16px;border-top:1px solid var(--border);}
.chat-input-row input{flex:1;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--border-soft);color:#fff;font-size:13.5px;}
.chat-send{width:42px;height:42px;border-radius:12px;background:var(--grad-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;}

/* ---------- Mobile overrides ---------- */
@media (max-width:480px){
  html,body{width:100%;max-width:100%;overflow-x:hidden;}
  nav{padding:12px 4%;}
  .container{padding-left:4%;padding-right:4%;}
  .section-pad{padding:60px 4%;}
  .hero{padding:100px 4% 60px;gap:18px;overflow:visible;}
  .hero::before,.hero::after,.ai-circle::before,.page-hero::before{display:none !important;}
  .ai-circle{width:88vw;height:88vw;max-width:360px;max-height:360px;}
  .ai-circle-core{width:22vw;height:22vw;max-width:110px;max-height:110px;}
  .ai-circle-core img{width:56%;height:auto;}
  .orbit-node{width:64px;}
  .orbit-node .node-icon{width:64px;height:64px;}
  .orbit-node .node-icon img{width:34px;}
  .node-pp{top:6px;left:50%;transform:translateX(-50%);}
  .node-ms{bottom:6px;left:50%;transform:translateX(-50%);}
  .node-ss{left:50%;top:50%;transform:translate(-50%,-55%);}
  .nav-links{left:0;right:0;padding-left:6%;padding-right:6%;}
  .nav-links a{white-space:normal;text-align:left;}
  .footer-bottom{flex-direction:column;align-items:center;}
  .page-hero{padding:100px 4% 60px;}
  .chat-window{right:12px;}
  .tech-track{gap:30px;}
  /* Swipe container utilities */
  .swipe-container{overflow:hidden;padding-bottom:6px;margin-bottom:12px;position:relative}
  .swipe-inner{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:12px}
  .swipe-inner > *{scroll-snap-align:start;flex:0 0 auto}
  .swipe-inner::-webkit-scrollbar{height:8px}
  .swipe-inner::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:8px}

  /* Hover elevation for cards */
  .product-card, .leader-card, .team-card{transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
  .product-card:hover, .leader-card:hover, .team-card:hover{transform:translateY(-8px) scale(1.01);box-shadow:0 18px 40px rgba(0,0,0,.35)}

  /* Gentle hero pulse */
  .ai-circle-core{transition:transform .6s ease-in-out;animation:hero-pulse 6s ease-in-out infinite}
  @keyframes hero-pulse{0%{transform:scale(1)}50%{transform:scale(1.03)}100%{transform:scale(1)}}

  /* Swipe nav overlays */
  .swipe-nav .swipe-prev,.swipe-nav .swipe-next{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.45);color:#fff;border:none;width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer}
  .swipe-nav .swipe-prev{left:8px}
  .swipe-nav .swipe-next{right:8px}
  .swipe-nav .swipe-prev:hover,.swipe-nav .swipe-next:hover{background:rgba(0,0,0,.6)}

  /* small visual when dragging */
  .swipe-inner.dragging{cursor:grabbing}
  .cta-section{margin:0;padding:40px 4%;}
  body{overflow-x:hidden;}
}

/* ---------- Scroll reveal base ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- Utility ---------- */
.mt-lg{margin-top:80px;}
.text-center{text-align:center;}
.muted{color:var(--text-muted);}