@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Variables ── */
:root {
  --bg:     #050608;
  --bg2:    #0b0e12;
  --bg3:    #111520;
  --border: #191d26;
  --green:  #6ba080;
  --green2: #5a9470;
  --green-glow: rgba(107,160,128,0.18);
  --text:   #f5f7ff;
  --muted:  #8a90a2;
  --dim:    #3d4252;
  --red:    #ff4757;
  --mono:   'JetBrains Mono', monospace;
  --sans:   'Sora', sans-serif;
  --r: 12px; --r2: 20px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button{cursor:pointer;font-family:var(--sans)}

/* ── Header ── */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(5,6,8,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.hdr{max-width:1200px;margin:0 auto;padding:.7rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo{display:flex;align-items:center;gap:10px}
.logo img{width:34px;height:34px;border-radius:8px}
.logo-txt{font-weight:700;font-size:1.05rem;color:var(--text)}
nav{display:flex;align-items:center;gap:1.5rem}
nav a{color:var(--muted);font-size:.875rem;transition:color .2s;position:relative}
nav a:hover,nav a.active{color:var(--text)}
nav a::after{content:'';position:absolute;bottom:-3px;left:0;width:0;height:2px;background:var(--green);transition:width .3s;border-radius:2px}
nav a:hover::after,nav a.active::after{width:100%}
.hdr-right{display:flex;align-items:center;gap:.75rem}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:.5rem 1.1rem;border-radius:var(--r);font-weight:600;font-size:.875rem;border:none;transition:all .2s;font-family:var(--sans);white-space:nowrap}
.btn-primary{background:var(--green);color:var(--bg)}
.btn-primary:hover{background:var(--green2);transform:translateY(-1px);box-shadow:0 4px 20px var(--green-glow)}
.btn-outline{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.btn-outline:hover{background:var(--green-glow)}
.btn-ghost{background:var(--bg3);color:var(--muted);border:1px solid var(--border)}
.btn-ghost:hover{color:var(--text);border-color:var(--green)}
.btn-lg{padding:.85rem 2rem;font-size:1rem;border-radius:14px}
.btn-sm{padding:.35rem .8rem;font-size:.8rem}
.btn-block{width:100%}
.btn:disabled{opacity:.45;pointer-events:none}

/* ── Layout ── */
.page{padding-top:64px}
section{padding:5rem 1.5rem}
.wrap{max-width:1200px;margin:0 auto}
.wrap-sm{max-width:800px;margin:0 auto}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}
.flex{display:flex}
.flex-center{display:flex;align-items:center;justify-content:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}
.text-center{text-align:center}
.text-green{color:var(--green)}
.text-muted{color:var(--muted)}
.text-mono{font-family:var(--mono)}

/* ── Card ── */
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:1.5rem;transition:border-color .3s}
.card:hover{border-color:rgba(107,160,128,.3)}
.card-sm{padding:1rem}

/* ── Section titles ── */
.s-title{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;margin-bottom:.75rem}
.s-sub{color:var(--muted);font-size:1.05rem;margin-bottom:3rem;max-width:600px}

/* ── Inputs ── */
.input,input,select,textarea{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:var(--r);padding:.625rem .875rem;font-size:.875rem;font-family:var(--sans);outline:none;transition:border-color .2s;width:100%}
.input:focus,input:focus,select:focus,textarea:focus{border-color:var(--green)}
input::placeholder,textarea::placeholder{color:var(--dim)}
select option{background:var(--bg2)}

/* ── Badges ── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:99px;font-size:.72rem;font-weight:600}
.badge-green{background:rgba(107,160,128,.15);color:var(--green);border:1px solid rgba(107,160,128,.3)}
.badge-red{background:rgba(255,71,87,.1);color:#ff6b78;border:1px solid rgba(255,71,87,.25)}
.badge-blue{background:rgba(96,165,250,.1);color:#60a5fa;border:1px solid rgba(96,165,250,.25)}
.badge-dim{background:var(--bg3);color:var(--muted);border:1px solid var(--border)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block}
.dot-pulse{animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}

/* ── Stats ── */
.stat-box{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:1.5rem}
.stat-label{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.5rem}
.stat-value{font-size:2rem;font-weight:700;color:var(--text);font-family:var(--mono)}
.stat-sub{color:var(--muted);font-size:.8rem;margin-top:.25rem}

/* ── Progress bar ── */
.prog-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin:.5rem 0}
.prog-fill{height:100%;background:var(--green);border-radius:3px;transition:width .6s ease}

/* ── Toast ── */
#toast{position:fixed;bottom:1.5rem;right:1.5rem;z-index:999;display:flex;flex-direction:column;gap:.5rem;pointer-events:none}
.toast{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:.75rem 1rem;font-size:.85rem;max-width:320px;animation:slideUp .25s ease;pointer-events:all}
.toast.success{border-color:rgba(107,160,128,.5);color:var(--green)}
.toast.error{border-color:rgba(255,71,87,.4);color:#ff6b78}
@keyframes slideUp{from{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ── Modals ── */
.overlay{position:fixed;inset:0;background:rgba(5,6,8,.85);z-index:200;display:none;align-items:center;justify-content:center;padding:1.5rem}
.overlay.open{display:flex}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:2rem;width:100%;max-width:460px;animation:fadeUp .3s ease}
@keyframes fadeUp{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-title{font-size:1.3rem;font-weight:700;margin-bottom:.4rem}
.modal-sub{color:var(--muted);font-size:.875rem;margin-bottom:1.5rem}
.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--muted);font-size:1.2rem;cursor:pointer}

/* ── Social login ── */
.social-btn{display:flex;align-items:center;justify-content:center;gap:.625rem;width:100%;padding:.7rem;border-radius:var(--r);border:1px solid var(--border);background:var(--bg3);color:var(--text);font-family:var(--sans);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s;margin-bottom:.75rem}
.social-btn:hover{border-color:var(--green);background:var(--bg2)}
.social-btn svg{width:18px;height:18px;flex-shrink:0}

/* ── Divider ── */
.divider{display:flex;align-items:center;gap:1rem;color:var(--muted);font-size:.8rem;margin:1rem 0}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}

/* ── Footer ── */
footer{background:var(--bg);border-top:1px solid var(--border);padding:3rem 1.5rem 2rem}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:2rem;margin-bottom:2rem}
.footer-brand p{color:var(--muted);font-size:.85rem;margin-top:.5rem;max-width:200px}
.footer-col h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:1rem;font-weight:600}
.footer-col a{display:block;color:var(--muted);font-size:.85rem;margin-bottom:.5rem;transition:color .2s}
.footer-col a:hover{color:var(--green)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:1.5rem;border-top:1px solid var(--border)}
.footer-bottom p{color:var(--muted);font-size:.8rem}
.privacy-box{background:linear-gradient(135deg,rgba(107,160,128,.08),rgba(5,6,8,.5));border:1px solid rgba(107,160,128,.2);border-radius:var(--r2);padding:1.25rem 1.5rem;margin-top:2rem}
.privacy-box p{font-size:.82rem;color:var(--muted);line-height:1.7}
.privacy-box strong{color:var(--green)}

/* ── Hero ── */
.hero{min-height:calc(100vh - 64px);display:flex;align-items:center;padding:4rem 1.5rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(ellipse,rgba(107,160,128,.08) 0%,transparent 65%);pointer-events:none}
.hero-grid{max-width:1200px;margin:0 auto;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:.5rem;background:rgba(107,160,128,.1);border:1px solid rgba(107,160,128,.25);border-radius:99px;padding:.3rem .9rem;font-size:.78rem;color:var(--green);font-weight:600;margin-bottom:1.5rem}
.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:700;line-height:1.15;margin-bottom:1.25rem}
.hero h1 span{color:var(--green)}
.hero-sub{color:var(--muted);font-size:1.05rem;line-height:1.7;margin-bottom:2rem;max-width:480px}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-imgs{display:grid;grid-template-rows:1fr 1fr;gap:1rem;position:relative}
.hero-imgs img{width:100%;border-radius:var(--r2);border:1px solid var(--border);object-fit:cover;height:190px}
.hero-glow{position:absolute;inset:-20px;background:radial-gradient(ellipse at center,rgba(107,160,128,.1),transparent 70%);pointer-events:none;z-index:-1}

/* ── Nodes map ── */
.map-wrap{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);overflow:hidden}
#world-map{width:100%;height:360px}
.map-node{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--green);transform:translate(-50%,-50%)}
.map-node::after{content:'';position:absolute;inset:-4px;border-radius:50%;background:var(--green);opacity:.3;animation:ping 2s infinite}
@keyframes ping{0%{transform:scale(1);opacity:.3}100%{transform:scale(2.5);opacity:0}}

/* ── Chat widget ── */
.chat-box{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);overflow:hidden;display:flex;flex-direction:column;height:600px}
.chat-hdr{padding:1rem 1.25rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.chat-hdr-left{display:flex;align-items:center;gap:.75rem}
.chat-model-select{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.4rem .75rem;font-size:.8rem;font-family:var(--sans)}
.chat-msgs{flex:1;overflow-y:auto;padding:1.25rem;display:flex;flex-direction:column;gap:.75rem}
.msg{max-width:78%;padding:.7rem 1rem;border-radius:14px;font-size:.875rem;line-height:1.55;animation:msgIn .2s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.msg-ai{align-self:flex-start;background:var(--bg3);border:1px solid var(--border);border-radius:4px 14px 14px 14px}
.msg-user{align-self:flex-end;background:var(--green);color:var(--bg);font-weight:500;border-radius:14px 14px 4px 14px}
.msg-typing{display:flex;gap:4px;padding:.7rem 1rem;background:var(--bg3);border:1px solid var(--border);border-radius:4px 14px 14px 14px;width:56px;align-self:flex-start}
.msg-typing span{width:6px;height:6px;background:var(--muted);border-radius:50%;animation:blink 1.2s infinite}
.msg-typing span:nth-child(2){animation-delay:.2s}
.msg-typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{transform:scale(1);opacity:.4}40%{transform:scale(1.3);opacity:1}}
.chat-footer{border-top:1px solid var(--border);padding:.875rem 1.25rem;display:flex;gap:.75rem;flex-shrink:0}
.chat-input{flex:1;background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:.625rem .875rem;font-size:.875rem;font-family:var(--sans);resize:none;outline:none;transition:border-color .2s;min-height:40px;max-height:120px}
.chat-input:focus{border-color:var(--green)}
.chat-input::placeholder{color:var(--dim)}
.chat-send{width:40px;height:40px;background:var(--green);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s;align-self:flex-end}
.chat-send:hover{background:var(--green2);transform:scale(1.05)}
.chat-send svg{width:16px;height:16px;color:var(--bg)}
.token-bar{padding:.6rem 1.25rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:.78rem;background:var(--bg)}
.token-bar .bal{color:var(--green);font-family:var(--mono);font-weight:600}

/* ── GPU bar chart ── */
.gpu-chart{display:flex;align-items:flex-end;gap:3px;height:80px;padding:0 .25rem}
.gpu-bar{flex:1;border-radius:3px 3px 0 0;transition:height .5s ease;min-height:4px;background:linear-gradient(to top,var(--green),var(--green2))}

/* ── Mining dashboard ── */
.mining-status{display:flex;align-items:center;gap:.5rem;font-size:.85rem}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green)}
.status-dot.off{background:var(--dim);box-shadow:none}
.token-count{font-size:3rem;font-weight:700;color:var(--green);font-family:var(--mono);line-height:1}

/* ── How it works steps ── */
.step{display:flex;gap:1.25rem;align-items:flex-start}
.step-num{flex-shrink:0;width:40px;height:40px;border-radius:10px;background:rgba(107,160,128,.15);border:1px solid rgba(107,160,128,.3);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--green);font-size:.9rem}
.step-body h4{font-weight:600;margin-bottom:.25rem}
.step-body p{color:var(--muted);font-size:.875rem}

/* ── Dashboard layout ── */
.dash-wrap{max-width:1200px;margin:0 auto;padding:1.5rem}
.dash-grid{display:grid;grid-template-columns:280px 1fr;gap:1.5rem;align-items:start}
.sidebar{position:sticky;top:80px}
.sidebar-menu a{display:flex;align-items:center;gap:.75rem;padding:.65rem .875rem;border-radius:var(--r);color:var(--muted);font-size:.875rem;transition:all .2s;margin-bottom:.25rem}
.sidebar-menu a:hover{color:var(--text);background:var(--bg3)}
.sidebar-menu a.active{color:var(--green);background:rgba(107,160,128,.1);border-left:2px solid var(--green)}
.sidebar-menu a svg{width:16px;height:16px;flex-shrink:0}
.user-pill{display:flex;align-items:center;gap:.75rem;padding:.875rem;border-radius:var(--r2);background:var(--bg3);border:1px solid var(--border);margin-bottom:1rem}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--green);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:var(--bg);flex-shrink:0}

/* ── Animations ── */
.fade-in{animation:fadeIn .5s ease forwards}
.slide-up{animation:slideUp2 .5s ease forwards}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp2{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

/* ── Glow CTA ── */
.cta-box{background:linear-gradient(135deg,var(--bg3),var(--bg2));border:2px solid rgba(107,160,128,.25);border-radius:28px;padding:4rem;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(ellipse,rgba(107,160,128,.08),transparent 60%);pointer-events:none}
.cta-box h2{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:700;margin-bottom:1rem}
.cta-box p{color:var(--muted);font-size:1.1rem;margin-bottom:2rem}

/* ── Responsive ── */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:2rem}
  .hero-imgs{grid-template-columns:1fr 1fr;grid-template-rows:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .dash-grid{grid-template-columns:1fr}
  .sidebar{position:static}
}
@media(max-width:640px){
  section{padding:3rem 1rem}
  nav .nav-links{display:none}
  .hero-actions{flex-direction:column}
  .hero-imgs{display:none}
  .footer-grid{grid-template-columns:1fr}
}