/* RUAB — Studio de développement / terminal aesthetic */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#fafaf7;
  --bg-2:#f3f2ec;
  --paper:#fff;
  --ink:#0d0d0d;
  --ink-2:#262626;
  --muted:#666;
  --line:#e5e3db;
  --accent:#ff5722;
  --accent-2:#0a84ff;
  --green:#16a34a;
  --danger:#dc2626;
  --code-bg:#0d0d0d;
  --code-text:#f5f5f5;
}
html,body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;line-height:1.6}
body{min-height:100vh}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;line-height:1.1;color:var(--ink)}
h1{font-size:clamp(2.6rem,6vw,5rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
.mono{font-family:'JetBrains Mono',monospace}

/* Topbar */
.topbar{background:var(--ink);color:#a8e6a3;font-family:'JetBrains Mono',monospace;font-size:.78rem;padding:8px 0;border-bottom:1px solid #222}
.topbar-inner{display:flex;justify-content:space-between;align-items:center}
.topbar-meta{color:#666}

/* Header */
.site-header{background:var(--bg);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 24px}
.logo{display:flex;align-items:center;gap:4px;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:1.15rem;color:var(--ink)}
.logo-bracket{color:var(--accent)}
.logo-text{color:var(--ink)}
.main-nav{display:flex;gap:32px}
.main-nav a{font-family:'JetBrains Mono',monospace;font-size:.9rem;color:var(--ink-2);position:relative;padding:6px 0;transition:color .2s}
.main-nav a:hover{color:var(--accent)}
.main-nav a::before{content:"// ";color:var(--muted);font-weight:400}
.cart-link{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--ink);background:var(--paper);font-family:'JetBrains Mono',monospace;font-size:.85rem;font-weight:600;border-radius:0;transition:all .2s}
.cart-link:hover{background:var(--ink);color:#fff}
.cart-badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;background:var(--accent);color:#fff;border-radius:11px;font-size:.7rem;font-weight:700;padding:0 7px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;font-family:'JetBrains Mono',monospace;font-weight:600;font-size:.9rem;cursor:pointer;border:1px solid var(--ink);transition:all .2s;border-radius:0}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-block{width:100%;justify-content:center}

/* Hero */
.hero{padding:80px 0 60px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-pretitle{font-family:'JetBrains Mono',monospace;font-size:.9rem;color:var(--accent);margin-bottom:20px}
.hero h1{margin-bottom:24px}
.hero-accent{color:var(--accent);font-style:italic}
.hero p{font-size:1.15rem;color:var(--muted);margin-bottom:36px;max-width:540px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.code-window{background:var(--code-bg);border-radius:8px;overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,.15);font-family:'JetBrains Mono',monospace}
.code-head{display:flex;align-items:center;gap:8px;padding:14px 16px;background:#1a1a1a;border-bottom:1px solid #2a2a2a}
.code-dot{width:12px;height:12px;border-radius:50%}
.code-dot:nth-child(1){background:#ff5f57}.code-dot:nth-child(2){background:#febc2e}.code-dot:nth-child(3){background:#28c840}
.code-title{margin-left:12px;color:#999;font-size:.8rem}
.code-body{padding:24px;color:var(--code-text);font-size:.85rem;line-height:1.7}
.c{color:#7c7c7c}
.k{color:#ff79c6}
.s{color:#a8e6a3}
.p{color:#8be9fd}
.b{color:#ffb86c}
.f{color:#50fa7b}

/* Sections */
.section{padding:80px 0}
.section-bordered{border-top:1px solid var(--line)}
.section-head{margin-bottom:48px}
.section-eyebrow{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px;display:block}
.section-head h2{max-width:720px}
.section-head p{color:var(--muted);max-width:640px;margin-top:16px;font-size:1.05rem}

/* Products */
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:0;border:1px solid var(--line);background:var(--paper)}
.product-card{padding:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .2s;display:flex;flex-direction:column}
.product-card:hover{background:var(--bg-2)}
.product-tag{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.product-card h3{margin-bottom:6px;font-size:1.4rem}
.product-tagline{color:var(--accent);font-family:'JetBrains Mono',monospace;font-size:.85rem;margin-bottom:16px}
.product-card p{color:var(--ink-2);font-size:.95rem;margin-bottom:20px;flex:1}
.product-specs{list-style:none;padding:0;margin-bottom:24px;font-family:'JetBrains Mono',monospace;font-size:.82rem;color:var(--muted)}
.product-specs li{padding:4px 0;display:flex;align-items:center;gap:8px}
.product-specs li::before{content:"→";color:var(--accent);font-weight:700}
.product-foot{display:flex;align-items:center;justify-content:space-between;padding-top:20px;border-top:1px dashed var(--line)}
.product-price{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:1.5rem}
.product-price small{font-size:.75rem;color:var(--muted);font-weight:500}
.product-price em{color:var(--accent);font-style:normal}

/* Page header */
.page-header{padding:60px 0 30px;border-bottom:1px solid var(--line)}
.page-header h1{margin-bottom:12px}
.page-header p{color:var(--muted);max-width:720px;font-size:1.1rem}
.breadcrumb{font-family:'JetBrains Mono',monospace;font-size:.85rem;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--accent)}
.breadcrumb span{margin:0 8px;color:var(--muted)}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:var(--paper)}
.process-step{padding:36px 28px;border-right:1px solid var(--line)}
.process-step:last-child{border-right:0}
.process-num{font-family:'JetBrains Mono',monospace;font-size:.85rem;color:var(--accent);margin-bottom:16px;font-weight:700}
.process-step h3{margin-bottom:8px;font-size:1.1rem}
.process-step p{color:var(--muted);font-size:.9rem}

/* Cart */
.cart-layout{display:grid;grid-template-columns:1fr 380px;gap:40px;padding:40px 0;align-items:start}
.cart-items{background:var(--paper);border:1px solid var(--line);padding:36px}
.cart-item{display:grid;grid-template-columns:1fr auto auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px dashed var(--line)}
.cart-item:last-child{border-bottom:0}
.cart-item-name{font-weight:700;margin-bottom:4px}
.cart-item-cat{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--muted)}
.cart-item-price{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:1.05rem}
.cart-remove{background:none;border:0;color:var(--muted);cursor:pointer;font-size:1.4rem;padding:4px 8px}
.cart-remove:hover{color:var(--danger)}
.cart-summary{background:var(--paper);border:1px solid var(--line);padding:32px;position:sticky;top:120px}
.cart-summary h3{margin-bottom:20px}
.summary-row{display:flex;justify-content:space-between;padding:10px 0;color:var(--muted);font-family:'JetBrains Mono',monospace;font-size:.9rem}
.summary-row.total{padding-top:18px;margin-top:12px;border-top:1px solid var(--ink);color:var(--ink);font-size:1.15rem;font-weight:700}
.empty-cart{text-align:center;padding:80px 24px;background:var(--paper);border:1px solid var(--line)}
.empty-cart h2{margin-bottom:12px}
.empty-cart p{color:var(--muted);margin-bottom:24px}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{margin-bottom:14px}
.form-group.full{grid-column:span 2}
label{display:block;font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--muted);margin-bottom:6px;text-transform:lowercase}
input[type=text],input[type=email],input[type=tel],textarea,select{width:100%;padding:12px 14px;background:var(--paper);border:1px solid var(--line);color:var(--ink);font-family:inherit;font-size:.95rem;border-radius:0;transition:border-color .2s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}
textarea{min-height:120px;resize:vertical;font-family:inherit}

/* Legal pages */
.legal-content{max-width:780px;margin:0 auto;padding:48px 0 100px}
.legal-content h2{margin:36px 0 14px;font-size:1.4rem;font-family:'JetBrains Mono',monospace}
.legal-content h3{margin:22px 0 10px;font-size:1.1rem}
.legal-content p,.legal-content li{color:var(--ink-2);margin-bottom:12px}
.legal-content ul{padding-left:24px;margin-bottom:16px}
.legal-content strong{color:var(--ink);font-weight:700}
.legal-content a{color:var(--accent);text-decoration:underline}

/* Alerts */
.alert{padding:14px 20px;margin-bottom:20px;font-family:'JetBrains Mono',monospace;font-size:.9rem;border:1px solid;border-radius:0}
.alert-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.alert-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.alert-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}

/* Footer */
.site-footer{background:var(--ink);color:#ccc;padding:60px 0 30px;margin-top:100px}
.site-footer h4{font-family:'JetBrains Mono',monospace;color:#fff;font-size:.85rem;margin-bottom:16px;font-weight:700}
.site-footer .logo-text{color:#fff}
.site-footer a{color:#ccc;transition:color .2s}
.site-footer a:hover{color:var(--accent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-col ul{list-style:none}
.footer-col li{padding:5px 0;font-size:.9rem}
.footer-tag{color:#999;font-size:.95rem;margin:16px 0;max-width:340px}
.footer-snippet{background:#1a1a1a;border:1px solid #2a2a2a;padding:14px;font-size:.78rem;color:#ccc;margin-top:12px;line-height:1.6;border-radius:4px}
.footer-bottom{padding-top:24px;border-top:1px solid #2a2a2a;color:#666;font-size:.82rem;font-family:'JetBrains Mono',monospace}

/* Success */
.success-box{max-width:580px;margin:80px auto;padding:48px;background:var(--paper);border:1px solid var(--line);text-align:center}
.success-icon{font-family:'JetBrains Mono',monospace;font-size:3rem;color:var(--green);margin-bottom:16px}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cart-layout{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-group.full{grid-column:span 1}
  .process-grid{grid-template-columns:1fr 1fr}
  .process-step:nth-child(2){border-right:0}
  .main-nav{display:none}
  .topbar-meta{display:none}
}
@media(max-width:600px){
  .footer-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .process-step{border-right:0}
  .products-grid{grid-template-columns:1fr}
}