/* =========================================================
   SwapIt — Design tokens
   Palette: ink charcoal ground, amber (cash/goods-out) and
   jade (barter/goods-in) as the two sides of every exchange.
   ========================================================= */
:root{
  --ink:            #12151C;
  --ink-raised:     #1B1E27;
  --ink-line:       #2C3140;
  --paper:          #F6F3EC;
  --paper-dim:      #C9C6BE;

  --amber-1:        #F2A65A;
  --amber-2:        #E0692B;
  --jade-1:         #3FCBA0;
  --jade-2:         #128A6B;

  --amber-grad: linear-gradient(135deg, var(--amber-1), var(--amber-2));
  --jade-grad:  linear-gradient(135deg, var(--jade-1), var(--jade-2));
  --swap-grad:  linear-gradient(120deg, var(--amber-1) 0%, var(--amber-2) 32%, var(--jade-2) 68%, var(--jade-1) 100%);

  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body:    "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --shadow-card: 0 20px 45px -22px rgba(0,0,0,0.55);
  --shadow-pop:  0 30px 60px -24px rgba(224,105,43,0.35);

  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before{
  content:"";
  position: fixed; inset:0;
  background:
    radial-gradient(circle at 12% -10%, rgba(224,105,43,0.16), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(18,138,107,0.16), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 600; margin:0 0 .5em; letter-spacing:-0.01em; }
p{ margin:0 0 1em; color: var(--paper-dim); }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }
::selection{ background: var(--amber-2); color: var(--paper); }

:focus-visible{
  outline: 2px solid var(--amber-1);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-1);
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--amber-grad);
}

/* =========================== NAV =========================== */
.site-nav{
  position: sticky; top:0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(18,21,28,0.78);
  border-bottom: 1px solid var(--ink-line);
}
.site-nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:14px; padding-bottom:14px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ width:34px; height:34px; }
.brand .wordmark{
  font-family: var(--font-display);
  font-size: 21px; font-weight: 600; color: var(--paper);
}
.brand .wordmark span{
  background: var(--swap-grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-links a{
  padding:9px 16px; border-radius: 999px; font-size:14.5px; color: var(--paper-dim);
  transition: color .18s ease, background .18s ease;
}
.nav-links a:hover{ color: var(--paper); background: rgba(255,255,255,0.05); }
.nav-links a.active{ color: var(--ink); background: var(--paper); font-weight:600; }
.nav-toggle{ display:none; }

/* =========================== BUTTONS =========================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 12px 24px; border-radius: 999px; border: 1px solid transparent;
  font-size: 14.5px; font-weight: 600; letter-spacing: 0.01em;
  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--amber-grad); color:#1B0F06; box-shadow: var(--shadow-pop); }
.btn-primary:hover{ box-shadow: 0 34px 64px -22px rgba(224,105,43,0.5); }
.btn-jade{ background: var(--jade-grad); color:#04231A; box-shadow: 0 30px 60px -24px rgba(18,138,107,0.35); }
.btn-ghost{ background: transparent; border-color: var(--ink-line); color: var(--paper); }
.btn-ghost:hover{ border-color: var(--amber-1); }
.btn-sm{ padding: 8px 16px; font-size: 13px; }
.btn-block{ width:100%; }

/* =========================== HERO =========================== */
.hero{ padding: 76px 0 60px; }
.hero .wrap{ display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items:center; }
.hero h1{ font-size: clamp(38px, 5vw, 58px); line-height: 1.05; }
.hero h1 .accent{
  background: var(--swap-grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero .lede{ font-size: 17.5px; max-width: 46ch; }
.hero-ctas{ display:flex; gap:14px; margin-top: 28px; flex-wrap:wrap; }
.hero-art{ position:relative; }
.hero-art svg{ width:100%; height:auto; }

.stat-strip{
  display:flex; gap:0; margin-top:48px; border-top:1px solid var(--ink-line); padding-top:22px;
}
.stat-strip div{ flex:1; padding-right: 20px; }
.stat-strip strong{ display:block; font-family:var(--font-display); font-size: 24px; }
.stat-strip span{ font-size: 12.5px; color: var(--paper-dim); font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.06em; }

/* =========================== SECTION HEADERS =========================== */
.section{ padding: 64px 0; }
.section-head{ max-width: 640px; margin-bottom: 40px; }
.section-head h2{ font-size: clamp(28px,3.4vw,38px); margin-top:10px; }

/* =========================== PILLARS (Buy/Trade/Sell cards) =========================== */
.pillars{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.pillar-card{
  background: var(--ink-raised); border:1px solid var(--ink-line); border-radius: var(--radius-lg);
  padding: 30px; position:relative; overflow:hidden;
  transition: border-color .2s ease, transform .2s ease;
}
.pillar-card:hover{ transform: translateY(-4px); border-color: rgba(242,166,90,0.5); }
.pillar-card .icon-badge{
  width:48px; height:48px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04); display:flex; align-items:center; justify-content:center; margin-bottom:18px;
}
.pillar-card h3{ font-size: 21px; margin-bottom: 8px; }
.pillar-card p{ font-size: 14.5px; margin-bottom: 18px; }
.pillar-card .btn{ font-size: 13px; padding: 9px 18px; }
.pillar-card .tag{
  position:absolute; top:26px; right:26px;
  font-family: var(--font-mono); font-size:11px; letter-spacing:.08em; color: var(--paper-dim);
}

/* =========================== ABOUT / SPLIT =========================== */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; }
.split-list{ display:flex; flex-direction:column; gap:16px; margin-top: 22px; }
.split-list li{ display:flex; gap:12px; font-size:14.5px; color: var(--paper-dim); align-items:flex-start; }
.split-list li::before{
  content:""; width:7px; height:7px; border-radius:50%; margin-top:7px; flex:none;
  background: var(--amber-grad);
}
.about-card{
  background: var(--ink-raised); border:1px solid var(--ink-line); border-radius: var(--radius-lg);
  padding: 30px;
}
.about-card + .about-card{ margin-top:16px; }

/* =========================== CONTACT =========================== */
.contact-panel{
  background: linear-gradient(160deg, rgba(242,166,90,0.09), rgba(63,203,160,0.07));
  border: 1px solid var(--ink-line); border-radius: var(--radius-lg);
  padding: 44px; display:grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.contact-methods{ display:flex; flex-direction:column; gap: 18px; }
.contact-methods a{ display:flex; align-items:center; gap:12px; font-size:15px; }
.contact-methods .icon-badge{ width:40px; height:40px; background: rgba(255,255,255,0.05); border-radius:10px; display:flex; align-items:center; justify-content:center; }

/* =========================== FORMS =========================== */
.field{ margin-bottom: 18px; }
.field label{ display:block; font-size: 12.5px; font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.06em; color: var(--paper-dim); margin-bottom:7px; }
.field input, .field select, .field textarea{
  width:100%; background: var(--ink); border:1px solid var(--ink-line); border-radius: var(--radius-sm);
  padding: 12px 14px; color: var(--paper); font-family: var(--font-body); font-size:14.5px;
  transition: border-color .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--amber-1); outline:none; }
.field textarea{ resize: vertical; min-height: 90px; }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.radio-group{ display:flex; gap:10px; flex-wrap:wrap; }
.radio-group label{
  display:flex; align-items:center; gap:8px; font-size:13.5px; text-transform:none; letter-spacing:0;
  font-family: var(--font-body); color: var(--paper);
  border:1px solid var(--ink-line); padding:9px 14px; border-radius:999px; cursor:pointer;
  transition: border-color .18s ease, background .18s ease;
}
.radio-group input{ accent-color: var(--amber-2); width:auto; }
.radio-group label:has(input:checked){ border-color: var(--amber-1); background: rgba(242,166,90,0.08); }
.form-card{
  background: var(--ink-raised); border:1px solid var(--ink-line); border-radius: var(--radius-lg); padding: 32px;
}
.form-note{ font-size:12.5px; color: var(--paper-dim); margin-top:6px; }
.form-status{ margin-top:14px; font-size:13.5px; font-family: var(--font-mono); }
.form-status.ok{ color: var(--jade-1); }
.form-status.err{ color: var(--amber-1); }

/* =========================== MARKET / LISTINGS =========================== */
.market-header{ display:flex; justify-content:space-between; align-items:flex-end; gap:20px; flex-wrap:wrap; margin-bottom: 26px; }
.filters{ display:flex; gap:10px; flex-wrap:wrap; }
.filters select, .filters input[type="search"]{
  background: var(--ink-raised); border:1px solid var(--ink-line); color: var(--paper);
  padding:10px 14px; border-radius: 999px; font-size:13.5px; font-family: var(--font-body);
}
.listing-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 26px; }
.listing-card{
  background: var(--ink-raised); border:1px solid var(--ink-line); border-radius: var(--radius-md);
  padding: 22px; display:flex; flex-direction:column; gap:12px;
  transition: border-color .2s ease, transform .2s ease;
}
.listing-card:hover{ transform: translateY(-3px); border-color: rgba(63,203,160,0.45); }
.listing-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:10px; }
.listing-card h4{ font-size:17px; margin:0; font-family: var(--font-display); }
.listing-card .category{ font-family: var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.06em; color: var(--jade-1); }
.listing-card .desc{ font-size: 13.5px; color: var(--paper-dim); margin:0; }
.listing-price{ font-family: var(--font-mono); font-size: 20px; color: var(--amber-1); }
.listing-meta{ display:flex; flex-wrap:wrap; gap:8px; }
.pill{
  font-size:11.5px; font-family: var(--font-mono); letter-spacing:.03em;
  padding: 5px 10px; border-radius: 999px; border:1px solid var(--ink-line); color: var(--paper-dim);
}
.pill.amber{ border-color: rgba(242,166,90,0.5); color: var(--amber-1); }
.pill.jade{ border-color: rgba(63,203,160,0.5); color: var(--jade-1); }
.listing-footer{ display:flex; justify-content:space-between; align-items:center; margin-top:auto; padding-top:8px; border-top:1px solid var(--ink-line); }
.listing-footer .contact-btn{ font-size:12.5px; }
.condition-badge{ font-size:11.5px; color: var(--paper-dim); font-family: var(--font-mono); }
.empty-state{
  text-align:center; padding: 60px 20px; color: var(--paper-dim);
  border:1px dashed var(--ink-line); border-radius: var(--radius-md); font-size:14px;
}
.loading-state{ text-align:center; padding:40px; color:var(--paper-dim); font-family: var(--font-mono); font-size:13px; }

/* Trade-for tag on trade listings */
.trade-for{
  background: rgba(63,203,160,0.07); border:1px solid rgba(63,203,160,0.3);
  border-radius: var(--radius-sm); padding: 10px 12px; font-size:13px;
}
.trade-for b{ color: var(--jade-1); font-family: var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.05em; display:block; margin-bottom:4px; }

/* =========================== PAGE HEADER (Buy/Trade/Sell) =========================== */
.page-hero{ padding: 56px 0 34px; border-bottom: 1px solid var(--ink-line); }
.page-hero .eyebrow{ margin-bottom: 14px; }
.page-hero h1{ font-size: clamp(32px,4vw,44px); max-width: 20ch; }
.page-hero p{ max-width: 56ch; font-size:15.5px; }

/* =========================== TWO COLUMN PAGE (form + listings) =========================== */
.market-layout{ display:grid; grid-template-columns: 360px 1fr; gap: 34px; align-items:start; }
.market-layout .form-card{ position: sticky; top: 96px; }

/* =========================== FOOTER =========================== */
.site-footer{ border-top:1px solid var(--ink-line); padding: 44px 0 30px; margin-top: 40px; }
.footer-grid{ display:flex; justify-content:space-between; align-items:flex-start; gap: 30px; flex-wrap:wrap; }
.footer-brand p{ max-width: 34ch; font-size:13.5px; margin-top:10px; }
.footer-links{ display:flex; gap: 50px; flex-wrap:wrap; }
.footer-links h5{ font-family: var(--font-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; color: var(--paper-dim); margin-bottom:12px; }
.footer-links a{ display:block; font-size:14px; color: var(--paper-dim); padding: 4px 0; }
.footer-links a:hover{ color: var(--paper); }
.footer-bottom{ margin-top: 36px; padding-top: 20px; border-top:1px solid var(--ink-line); display:flex; justify-content:space-between; font-size:12.5px; color: var(--paper-dim); flex-wrap:wrap; gap:10px; }

/* =========================== RESPONSIVE =========================== */
@media (max-width: 980px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .hero-art{ order:-1; max-width: 420px; margin: 0 auto; }
  .pillars{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .contact-panel{ grid-template-columns: 1fr; padding: 30px; }
  .listing-grid{ grid-template-columns: repeat(2,1fr); }
  .market-layout{ grid-template-columns: 1fr; }
  .market-layout .form-card{ position: static; }
}
@media (max-width: 640px){
  .wrap{ padding: 0 18px; }
  .nav-links{ display:none; }
  .listing-grid{ grid-template-columns: 1fr; }
  .field-row{ grid-template-columns: 1fr; }
  .stat-strip{ flex-wrap:wrap; gap: 18px; }
  .stat-strip div{ flex: 1 1 40%; padding-right:0; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition: none !important; animation: none !important; }
}