/* ═══════════════════════════════════════════════════
   StockFlows Tour -Brutalist Editorial Design
   Inspired by httpster.net
   ═══════════════════════════════════════════════════ */

.material-symbols-outlined{
  font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24;
  vertical-align:middle;font-size:18px;
}

:root{
  --bg:#fafafa;
  --bg-dark:#111111;
  --text:#111111;
  --text-dim:#666;
  --text-dimmer:#999;
  --border:#e0e0e0;
  --brand:#111111;
  --brand-accent:#111;
  --critical:#dc2626;
  --warning:#d97706;
  --success:#16a34a;
  --radius:0px;
  --sidebar:220px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --serif:'Instrument Serif',Georgia,'Times New Roman','Courier New',serif;
}

*{margin:0;padding:0;box-sizing:border-box}

body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  min-height:100vh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
html{overflow-x:hidden}

::selection{background:var(--text);color:#fff}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border)}

/* ═══════════════════════════════════════════════════
   LANDING
   ═══════════════════════════════════════════════════ */
.landing{
  min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  text-align:center;padding:80px 24px;
  background:var(--bg-dark);color:#fff;
}
.landing .eyebrow{
  font-family:var(--font);font-size:.65rem;font-weight:500;
  letter-spacing:3px;text-transform:uppercase;
  color:#666;margin-bottom:32px;
}
.landing h1{
  font-family:var(--serif);font-size:7rem;font-weight:400;
  font-style:italic;letter-spacing:-3px;line-height:.9;
  margin-bottom:28px;
}
.landing .sub{
  font-size:.9rem;color:#888;margin-bottom:56px;
  max-width:440px;line-height:1.8;letter-spacing:.2px;
}
.landing .stats{
  display:flex;gap:64px;margin-bottom:56px;
  flex-wrap:wrap;justify-content:center;
}
.landing .stat{text-align:left}
.landing .stat .n{
  font-family:var(--serif);font-size:3.5rem;
  font-style:italic;line-height:1;
}
.landing .stat .l{
  font-size:.65rem;color:#666;text-transform:uppercase;
  letter-spacing:2px;margin-top:6px;
}
.landing .btn-group{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* ═══════════════════════════════════════════════════
   BUTTONS -Brutalist Style
   ═══════════════════════════════════════════════════ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--text);border:2px solid #fff;
  padding:14px 32px;font-size:.8rem;font-weight:500;
  font-family:var(--font);cursor:pointer;letter-spacing:.5px;
  text-transform:uppercase;transition:all .15s;
}
.btn:hover{
  background:var(--text);color:#fff;border-color:var(--text);
}
.btn-outline{
  background:transparent;border:2px solid #444;color:#ccc;
}
.btn-outline:hover{
  background:#fff;color:var(--text);border-color:#fff;
}
.btn-sm{padding:6px 14px;font-size:.7rem;letter-spacing:.5px;text-transform:uppercase}
.btn-brand{
  background:var(--text);color:#fff;border-color:var(--text);
}
.btn-brand:hover{background:#333;border-color:#333}
.btn-ghost{
  background:transparent;color:var(--text-dim);
  border:1px solid var(--border);
}
.btn-ghost:hover{background:var(--text);color:#fff;border-color:var(--text)}
.btn-danger{
  background:transparent;color:var(--critical);
  border:1px solid var(--critical);
}
.btn-danger:hover{background:var(--critical);color:#fff}

/* ═══════════════════════════════════════════════════
   BADGES
   ═══════════════════════════════════════════════════ */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 8px;font-size:.65rem;font-weight:600;
  letter-spacing:.5px;text-transform:uppercase;
}
.badge-critical{color:var(--critical);border:1px solid var(--critical)}
.badge-warning{color:var(--warning);border:1px solid var(--warning)}
.badge-success{color:var(--success);border:1px solid var(--success)}
.badge-info{color:var(--text);border:1px solid var(--text)}

/* ═══════════════════════════════════════════════════
   APP SHELL
   ═══════════════════════════════════════════════════ */
.app{display:none;height:100vh}
.app.active{display:flex}
.landing.hidden{display:none}

.sidebar{
  width:var(--sidebar);background:var(--bg);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:24px 0;flex-shrink:0;
}
.sidebar .logo{
  padding:0 20px 24px;font-size:.7rem;font-weight:600;
  color:var(--text);letter-spacing:2px;text-transform:uppercase;
  border-bottom:1px solid var(--border);margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.sidebar .logo .material-symbols-outlined{font-size:18px}
.sidebar nav{flex:1;padding:8px 0}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;padding:10px 20px;
  color:var(--text-dim);text-decoration:none;font-size:.75rem;
  font-weight:500;cursor:pointer;transition:all .15s;
  letter-spacing:.3px;text-transform:uppercase;
}
.sidebar nav a:hover{color:var(--text);background:rgba(0,0,0,0.03)}
.sidebar nav a.active{color:var(--text);font-weight:700}
.sidebar nav a.active::before{
  content:'';position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--text);
}
.sidebar nav a svg{width:16px;height:16px;flex-shrink:0;opacity:.4}
.sidebar nav a.active svg{opacity:1}
.sidebar .tour-btn{
  margin:12px 20px 0;padding:10px;
  background:var(--text);color:#fff;border:none;
  font-size:.7rem;font-family:var(--font);cursor:pointer;
  font-weight:600;letter-spacing:1px;text-transform:uppercase;
  display:flex;align-items:center;justify-content:center;gap:6px;
  transition:all .15s;
}
.sidebar .tour-btn:hover{background:#333}

.content{
  flex:1;overflow-y:auto;overflow-x:hidden;padding:40px 48px;
  background:var(--bg);position:relative;min-width:0;
}
.page{display:none}
.page.active{display:block;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

h2{
  font-family:var(--serif);font-size:2.2rem;font-weight:400;
  font-style:italic;letter-spacing:-.5px;margin-bottom:4px;
}

/* ═══════════════════════════════════════════════════
   CARDS -Flat, Borderless
   ═══════════════════════════════════════════════════ */
.card{
  background:#fff;border:1px solid var(--border);
  padding:24px;margin-bottom:16px;
  transition:border-color .15s;overflow-x:hidden;
}
.card:hover{border-color:#999}

.stats-row{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:0;margin-bottom:24px;
  border:1px solid var(--border);
}
.stat-card{
  background:#fff;padding:24px;
  border-right:1px solid var(--border);
  transition:background .15s;
}
.stat-card:last-child{border-right:none}
.stat-card:hover{background:#f5f5f5}
.stat-card .label{
  font-size:.6rem;color:var(--text-dimmer);text-transform:uppercase;
  letter-spacing:2px;font-weight:600;
}
.stat-card .value{
  font-family:var(--serif);font-size:2.5rem;font-style:italic;
  margin-top:8px;line-height:1;
}
.stat-card .value.green{color:var(--success)}
.stat-card .value.red{color:var(--critical)}
.stat-card .value.blue{color:var(--brand-accent)}

/* ═══════════════════════════════════════════════════
   TABLES -Minimal, Clean
   ═══════════════════════════════════════════════════ */
table{width:100%;border-collapse:collapse}
.card{overflow-x:auto}
th{
  text-align:left;padding:12px 14px;font-size:.6rem;font-weight:600;
  text-transform:uppercase;letter-spacing:1.5px;color:var(--text-dimmer);
  border-bottom:2px solid var(--text);
}
td{
  padding:14px;border-bottom:1px solid var(--border);font-size:.85rem;
}
tr{transition:background .1s}
tr:hover{background:#f5f5f5}
.num{text-align:right;font-variant-numeric:tabular-nums}
.sku{
  font-family:'SF Mono',Menlo,monospace;font-size:.75rem;
  color:var(--text-dim);letter-spacing:.5px;
}

/* ═══════════════════════════════════════════════════
   TABS
   ═══════════════════════════════════════════════════ */
.tabs{
  display:flex;gap:0;margin-bottom:20px;
  border-bottom:1px solid var(--border);
}
.tab{
  padding:10px 20px;font-size:.7rem;cursor:pointer;
  color:var(--text-dim);border-bottom:2px solid transparent;
  margin-bottom:-1px;transition:all .15s;font-weight:500;
  text-transform:uppercase;letter-spacing:1px;
}
.tab:hover{color:var(--text)}
.tab.active{color:var(--text);border-bottom-color:var(--text);font-weight:700}

/* ═══════════════════════════════════════════════════
   FORMS
   ═══════════════════════════════════════════════════ */
.form-group{margin-bottom:20px}
.form-group label{
  display:block;font-size:.6rem;font-weight:600;margin-bottom:6px;
  color:var(--text-dim);text-transform:uppercase;letter-spacing:1.5px;
}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:10px 14px;
  background:#fff;border:1px solid var(--border);
  font-size:.875rem;color:var(--text);font-family:var(--font);
  transition:border-color .15s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--text);
}
.form-group select option{background:#fff;color:var(--text)}

/* ═══════════════════════════════════════════════════
   MODAL
   ═══════════════════════════════════════════════════ */
.modal-overlay{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,0.6);
  z-index:1000;align-items:center;justify-content:center;
}
.modal-overlay.active{display:flex}
.modal{
  background:#fff;border:2px solid var(--text);
  padding:32px;width:90%;max-width:640px;
  max-height:92vh;overflow-y:auto;
  animation:modalIn .2s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.modal h3{
  font-family:var(--serif);font-size:1.5rem;font-style:italic;
  font-weight:400;margin-bottom:20px;
}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}

/* ═══════════════════════════════════════════════════
   TOAST
   ═══════════════════════════════════════════════════ */
.toast{
  position:fixed;bottom:24px;right:24px;
  background:var(--text);color:#fff;
  padding:12px 20px;font-size:.75rem;font-weight:500;
  letter-spacing:.5px;text-transform:uppercase;
  z-index:2000;transform:translateY(100px);opacity:0;
  transition:all .3s ease;
}
.toast.show{transform:translateY(0);opacity:1}

/* ═══════════════════════════════════════════════════
   CHARTS
   ═══════════════════════════════════════════════════ */
.chart-container{
  background:#fff;border:1px solid var(--border);
  padding:24px;margin-bottom:16px;
}
.chart-title{
  font-size:.65rem;color:var(--text-dimmer);margin-bottom:12px;
  text-transform:uppercase;letter-spacing:2px;font-weight:600;
}
svg text{font-family:var(--font)}

/* ═══════════════════════════════════════════════════
   TOUR
   ═══════════════════════════════════════════════════ */
.tour-overlay{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(255,255,255,0.4);z-index:3000;
}
.tour-overlay.active{display:block}
.tour-tooltip{
  position:fixed;
  background:#fff;border:2px solid var(--text);
  padding:20px 24px;max-width:400px;
  z-index:3001;animation:modalIn .2s ease;
  box-shadow:0 2px 0 var(--text);
}
.tour-tooltip h4{
  font-family:var(--serif);font-size:1.2rem;font-style:italic;
  font-weight:400;margin-bottom:8px;
}
.tour-tooltip p{
  font-size:.82rem;color:var(--text-dim);margin-bottom:16px;line-height:1.6;
}
.tour-tooltip .actions{
  display:flex;gap:8px;justify-content:space-between;align-items:center;
}
.tour-progress{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  display:flex;gap:4px;z-index:3002;
}
.tour-dot{
  width:20px;height:3px;background:var(--border);transition:all .2s;
}
.tour-dot.active{background:var(--text);width:32px}

/* ═══════════════════════════════════════════════════
   TOUR TARGET HIGHLIGHT
   ═══════════════════════════════════════════════════ */
.tour-highlight{
  position:relative;z-index:3001;
  outline:2px solid var(--text);
  outline-offset:4px;
}

/* ═══════════════════════════════════════════════════
   SCREENSHOT SHOWCASE -Webflow-style tabs
   ═══════════════════════════════════════════════════ */
.screenshots-section{background:#fff;border-top:1px solid var(--border);padding:60px 24px;color:#111;overflow:hidden}
.screenshots-section .section-inner{max-width:1000px;margin:0 auto}
.screenshots-section .eyebrow{font-size:.55rem;color:#999;text-transform:uppercase;letter-spacing:2px;font-weight:600;margin-bottom:8px}
.screenshots-section h2{font-family:var(--serif);font-size:2.2rem;font-style:italic;margin-bottom:12px}
.screenshots-section .subtitle{font-size:.82rem;color:#666;max-width:480px;line-height:1.6;margin-bottom:32px}

/* Tabs layout: left text, right image */
.ss-tabs{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start}

/* Left: tab menu */
.ss-tab-menu{display:flex;flex-direction:column;gap:0}
.ss-tab-item{padding:16px 0;border-bottom:1px solid var(--border);cursor:pointer;position:relative;transition:all .3s}
.ss-tab-item:first-child{border-top:1px solid var(--border)}
.ss-tab-item.active{padding-bottom:16px}

/* Progress bar */
.ss-tab-progress{height:2px;background:var(--border);margin-bottom:10px;border-radius:1px;overflow:hidden}
.ss-tab-progress-fill{height:100%;background:var(--text);width:0%;transition:width .1s linear;border-radius:1px}
.ss-tab-item.active .ss-tab-progress-fill{animation:ssProgress 6s linear forwards}
@keyframes ssProgress{from{width:0%}to{width:100%}}

.ss-tab-title{font-size:1rem;font-weight:600;color:var(--text-dim);transition:color .3s;margin-bottom:4px}
.ss-tab-item.active .ss-tab-title{color:var(--text)}
.ss-tab-desc{font-size:.78rem;color:var(--text-dim);line-height:1.5;max-height:0;overflow:hidden;opacity:0;transition:max-height .4s ease,opacity .3s ease,margin .3s ease}
.ss-tab-item.active .ss-tab-desc{max-height:200px;opacity:1;margin-top:8px}

/* Right: image stage */
.ss-tab-stage{position:relative;aspect-ratio:16/9;border-radius:6px;overflow:hidden;background:#f5f5f5;border:1px solid var(--border);box-shadow:0 4px 20px rgba(0,0,0,0.08)}
.ss-tab-stage img{width:100%;height:100%;object-fit:contain;position:absolute;top:0;left:0;opacity:0;transition:opacity .5s ease;image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges}
.ss-tab-stage img.active{opacity:1}

/* Scroll-triggered fade-in */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:none}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media(max-width:768px){
  /* Sidebar collapse */
  .sidebar{width:48px;padding:16px 0}
  .sidebar .logo span:last-child,.sidebar nav a span,
  .sidebar .tour-btn span:last-child{display:none}
  .sidebar nav a{justify-content:center;padding:10px 8px}
  .sidebar .tour-btn{padding:10px 0;margin:12px 6px 0}
  .sidebar .tour-btn .material-symbols-outlined{margin:0}
  .content{padding:16px}

  /* Landing */
  .landing{padding:60px 20px}
  .landing h1{font-size:2.8rem;letter-spacing:-1px}
  .landing .sub{font-size:.85rem;max-width:100%;padding:0 8px}
  .landing .stats{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;justify-items:center}
  .landing .stat{text-align:center}
  .landing .stat .n{font-size:1.8rem}
  .landing .btn-group{flex-direction:column;align-items:stretch;width:100%;max-width:300px}
  .btn{justify-content:center}

  /* Screenshots section */
  .screenshots-section{padding:40px 16px}
  .screenshots-section h2{font-size:1.6rem}
  .screenshots-section .subtitle{margin-bottom:24px;font-size:.78rem}
  .ss-tabs{grid-template-columns:1fr;gap:16px}
  .ss-tab-menu{flex-direction:row;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;gap:0}
  .ss-tab-menu::-webkit-scrollbar{display:none}
  .ss-tab-item{min-width:100px;border-bottom:none;border-right:1px solid var(--border);padding:10px;text-align:center}
  .ss-tab-item:last-child{border-right:none}
  .ss-tab-title{font-size:.72rem}
  .ss-tab-desc{display:none}
  .ss-tab-progress{display:none}

  /* Inline section padding reduction */
  [style*="padding:80px 24px"]{padding:48px 16px !important}

  /* Inline heading size reduction */
  [style*="font-size:2.5rem"]{font-size:1.8rem !important}
  [style*="font-size:3rem"]{font-size:2rem !important}

  /* Two-column grid collapse */
  [style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr !important}

  /* Countdown section */
  #countdown{gap:12px;justify-content:center}
  #countdown [style*="font-size:2.5rem"]{font-size:1.8rem !important}

  /* Email preview card */
  [style*="max-width:420px"]{max-width:100% !important}

  /* Dashboard KPI cards */
  [style*="font-size:4rem"]{font-size:2.5rem !important}

  /* Inventory search input */
  input[style*="min-width:200px"]{min-width:0 !important}

  /* Bar chart labels */
  [style*="width:140px"]{width:100px !important}

  /* Pricing card padding */
  .pricing-grid > div{padding:20px !important}

  /* Comparison table */
  .compare-grid{grid-template-columns:1fr !important}
  .compare-grid > div{border-right:none !important;border-bottom:1px solid #333;padding:12px !important}
  .compare-grid > div:last-child{border-bottom:none}
  .compare-grid [style*="padding:10px 0"]{padding:6px 0 !important}

  /* Email preview stat blocks */
  [style*="display:flex;gap:16px"]{gap:8px !important;flex-wrap:wrap}

  /* Tables - horizontal scroll */
  table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  th,td{white-space:nowrap;padding:10px 12px;font-size:.75rem}

  /* Stats row -stack */
  .stats-row{grid-template-columns:1fr}
  .stat-card{border-right:none;border-bottom:1px solid var(--border);padding:16px}
  .stat-card:last-child{border-bottom:none}

  /* Pricing */
  .pricing-grid{grid-template-columns:1fr !important}
  .pricing-grid > div{border-right:none !important;border-bottom:1px solid var(--border)}
  .pricing-grid > div:last-child{border-bottom:none}
}

@media(min-width:769px) and (max-width:1024px){
  .landing h1{font-size:4.5rem}
  .ss-tabs{grid-template-columns:240px 1fr;gap:24px}
}