/* ============================================================
   CroTraffic — publisher site
   Editorial layout. Light by default, dark on request.
   No external fonts, no CDN, no dependencies.
   ============================================================ */

:root {
  --paper:       #fcfbf8;
  --paper-2:     #f5f2ec;
  --ink:         #1a1917;
  --ink-soft:    #4c4842;
  --muted:       #8a847b;
  --rule:        #e2ddd3;
  --rule-strong: #c9c2b4;
  --accent:      #14563c;
  --accent-ink:  #0e3f2c;
  --accent-bg:   #eaf1ec;
  --amber:       #97530f;
  --amber-bg:    #f7efe3;

  --serif: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  --sans:  ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --measure: 34rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:       #131311;
    --paper-2:     #1b1a17;
    --ink:         #f1eee7;
    --ink-soft:    #c0bab0;
    --muted:       #8b857b;
    --rule:        #2c2a26;
    --rule-strong: #423f38;
    --accent:      #66c294;
    --accent-ink:  #8ad6b0;
    --accent-bg:   #16261e;
    --amber:       #d09a52;
    --amber-bg:    #241d13;
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--paper); }

a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-ink); }

h1, h2, h3 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.015em;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.15rem, 5.4vw, 3.4rem); letter-spacing: -.028em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.15rem); }
h3 { font-size: 1.18rem; letter-spacing: -.01em; }

p { margin: 0 0 1.15em; max-width: var(--measure); }
strong, b { color: var(--ink); font-weight: 600; }
em { font-style: italic; }
code { font-family: var(--mono); font-size: .88em; color: var(--ink); }

.wrap { width: 100%; max-width: 62rem; margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); }

/* ── section rhythm ─────────────────────────────────────── */
section { padding: clamp(56px, 8vw, 92px) 0; border-top: 1px solid var(--rule); }
section.tint { background: var(--paper-2); }
section:first-of-type { border-top: none; }

.shead { display: flex; align-items: baseline; gap: 16px; margin-bottom: 30px; }
.snum {
  font-family: var(--mono); font-size: .78rem; color: var(--muted);
  letter-spacing: .06em; padding-top: .55em; flex: none;
}
.shead h2 { margin: 0; }

.label {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 18px;
}
.lead {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.1vw, 1.4rem);
  line-height: 1.5; color: var(--ink-soft);
  max-width: 40rem;
}
.small { font-size: .92rem; }
.dim   { color: var(--muted); }

/* ── header ─────────────────────────────────────────────── */
header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  header { background: var(--paper); }
}
.nav { display: flex; align-items: center; height: 58px; gap: 26px; }
.logo {
  font-family: var(--serif); font-size: 1.22rem; font-weight: 600;
  letter-spacing: -.02em; color: var(--ink); text-decoration: none; white-space: nowrap;
}
.logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a {
  font-size: .93rem; color: var(--ink-soft); text-decoration: none;
  padding-bottom: 2px; border-bottom: 1px solid transparent;
}
.nav-links a:hover { color: var(--ink); border-bottom-color: var(--rule-strong); }
.nav-links a.cta { color: var(--accent); border-bottom-color: var(--accent); font-weight: 500; }
.nav-toggle {
  display: none; margin-left: auto; background: none; border: none;
  color: var(--ink); font-size: 1.35rem; line-height: 1; cursor: pointer; padding: 6px;
}

/* ── hero ───────────────────────────────────────────────── */
.hero { padding: clamp(52px, 9vw, 96px) 0 clamp(44px, 6vw, 68px); }
.hero h1 { max-width: 18ch; }
.hero .lead { margin-bottom: 34px; }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 26px; border-radius: 3px;
  font-family: var(--sans); font-size: .96rem; font-weight: 500;
  text-decoration: none; border: 1px solid var(--accent); cursor: pointer;
  background: var(--accent); color: var(--paper);
  transition: background .14s ease, color .14s ease;
}
.btn:hover { background: var(--accent-ink); border-color: var(--accent-ink); color: var(--paper); }
.btn.ghost { background: none; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-bg); color: var(--accent-ink); }
.tlink {
  font-size: .96rem; color: var(--ink); text-decoration: none;
  border-bottom: 1px solid var(--rule-strong); padding-bottom: 2px;
}
.tlink:hover { border-bottom-color: var(--accent); color: var(--accent); }

/* Click-to-copy handle (Discord has no public URL for a username). */
.copyable {
  font: inherit; background: none; border: 0; padding: 0 0 2px;
  border-bottom: 1px solid var(--rule-strong); color: inherit; cursor: pointer;
}
.copyable:hover { border-bottom-color: var(--accent); color: var(--accent); }
.copyable.done  { border-bottom-color: var(--accent); color: var(--accent); }

/* ── spec list: the workhorse element ───────────────────── */
.spec { margin: 0; border-top: 1px solid var(--rule); }
.spec > div {
  display: grid; grid-template-columns: 13rem 1fr; gap: 4px 28px;
  padding: 15px 0; border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.spec dt, .spec .k {
  font-family: var(--mono); font-size: .76rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted); margin: 0;
}
.spec dd, .spec .v { margin: 0; color: var(--ink-soft); }
.spec .v strong { color: var(--ink); }
.spec .v p:last-child { margin-bottom: 0; }
.spec.big .v { font-family: var(--serif); font-size: 1.32rem; color: var(--ink); line-height: 1.35; }
.spec.big .v .sub { font-family: var(--sans); font-size: .9rem; color: var(--muted); display: block; margin-top: 1px; }

/* ── numbered points ────────────────────────────────────── */
.points { counter-reset: pt; margin: 0; padding: 0; list-style: none; }
.points > li {
  position: relative; padding: 22px 0 22px 3.4rem;
  border-bottom: 1px solid var(--rule);
}
.points > li:first-child { border-top: 1px solid var(--rule); }
.points > li::before {
  counter-increment: pt; content: counter(pt, decimal-leading-zero);
  position: absolute; left: 0; top: 24px;
  font-family: var(--mono); font-size: .8rem; color: var(--accent);
}
.points h3 { margin-bottom: .25em; }
.points p:last-child { margin-bottom: 0; }

/* ── pain / answer list ─────────────────────────────────── */
.swap { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); }
.swap > li {
  display: grid; grid-template-columns: 17.5rem 1fr; gap: 10px 44px;
  padding: 28px 0; border-bottom: 1px solid var(--rule);
}
.swap .now {
  position: relative; margin: 0; padding-left: 20px; max-width: none;
  font-family: var(--serif); font-style: italic; font-size: 1.04rem;
  line-height: 1.45; color: var(--muted);
}
.swap .now::before {
  content: ""; position: absolute; left: 0; top: .68em;
  width: 11px; height: 1px; background: var(--amber);
}
.swap .then h3 { margin-bottom: .28em; }
.swap .then p { margin-bottom: 0; }

/* ── two column prose ───────────────────────────────────── */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 48px; }
.cols h3 { margin-bottom: .35em; }
.cols p:last-child { margin-bottom: 0; }

/* ── pull note ──────────────────────────────────────────── */
.note {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 22px; margin: 30px 0;
  font-family: var(--serif); font-size: 1.16rem; line-height: 1.5; color: var(--ink);
  max-width: 40rem;
}
.note.warn { border-left-color: var(--amber); }
.note p { max-width: none; }
.note p:last-child { margin-bottom: 0; }

/* ── inline term list ───────────────────────────────────── */
.terms { display: flex; flex-wrap: wrap; gap: 6px 0; margin: 0 0 4px; padding: 0; list-style: none; }
.terms li { color: var(--ink-soft); }
.terms li::after { content: "·"; color: var(--rule-strong); margin: 0 10px; }
.terms li:last-child::after { content: ""; margin: 0; }
.terms li.no { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--rule-strong); }

/* ── table ──────────────────────────────────────────────── */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 26px 0; }
table { width: 100%; border-collapse: collapse; font-size: .96rem; min-width: 34rem; }
th, td { text-align: left; padding: 13px 22px 13px 0; border-bottom: 1px solid var(--rule); }
thead th {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted); font-weight: 400;
  border-bottom-color: var(--rule-strong);
}
td { color: var(--ink-soft); }
td strong { color: var(--ink); }
tbody tr:last-child td { border-bottom: none; }
tr.hl td { background: var(--accent-bg); }
tr.hl td strong, .num-accent { color: var(--accent); }
.num { font-family: var(--mono); font-size: .95em; white-space: nowrap; }

/* ── code ───────────────────────────────────────────────── */
pre {
  background: var(--paper-2); border: 1px solid var(--rule);
  border-radius: 3px; padding: 16px 18px; overflow-x: auto;
  font-family: var(--mono); font-size: .85rem; line-height: 1.6;
  color: var(--ink); margin: 0 0 14px;
}
pre .c { color: var(--muted); }
pre .s { color: var(--accent); }

/* ── FAQ ────────────────────────────────────────────────── */
.faq { border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
  cursor: pointer; list-style: none; padding: 19px 34px 19px 0; position: relative;
  font-family: var(--serif); font-size: 1.1rem; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 18px;
  font-family: var(--sans); font-size: 1.25rem; color: var(--accent); line-height: 1.3;
}
.faq details[open] summary::after { content: "\2013"; }
.faq summary:hover { color: var(--accent); }
.faq .body { padding: 0 0 22px; }
.faq .body p:last-child { margin-bottom: 0; }

/* ── form ───────────────────────────────────────────────── */
form { max-width: 42rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.field { margin-bottom: 22px; }
.field label { display: block; font-size: .95rem; color: var(--ink); font-weight: 500; margin-bottom: 6px; }
.field .hint { display: block; font-weight: 400; font-size: .85rem; color: var(--muted); margin-top: 1px; }
.field .req { color: var(--accent); }

input[type=text], input[type=email], select, textarea {
  width: 100%; padding: 10px 0; background: none; color: var(--ink);
  border: none; border-bottom: 1px solid var(--rule-strong); border-radius: 0;
  font-family: var(--sans); font-size: 1rem; transition: border-color .14s ease;
}
textarea { resize: vertical; min-height: 30px; line-height: 1.6; }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .75; }
input:focus, select:focus, textarea:focus { outline: none; border-bottom-color: var(--accent); border-bottom-width: 2px; padding-bottom: 9px; }
select {
  appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 11px) 55%, calc(100% - 6px) 55%;
  background-size: 5px 5px; background-repeat: no-repeat;
}
select option { background: var(--paper); color: var(--ink); }

.hp { position: absolute; left: -9999px; width: 0; height: 0; opacity: 0; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 30px; }
.form-msg { display: none; margin-top: 26px; padding: 18px 22px; border-radius: 3px; font-size: .95rem; }
.form-msg.ok  { display: block; background: var(--accent-bg); border-left: 2px solid var(--accent); }
.form-msg.err { display: block; background: var(--amber-bg);  border-left: 2px solid var(--amber); }
.form-msg p { max-width: none; }
.form-msg pre { margin: 14px 0 0; max-height: 15rem; background: var(--paper); }
.form-msg .form-actions { margin-top: 16px; gap: 16px; }
.form-msg .btn { padding: 9px 18px; font-size: .9rem; }

/* ── footer ─────────────────────────────────────────────── */
footer { border-top: 1px solid var(--rule); padding: 48px 0 60px; font-size: .92rem; }
.foot { display: flex; flex-wrap: wrap; gap: 32px 48px; justify-content: space-between; }
.foot p { max-width: 26rem; color: var(--muted); font-size: .9rem; margin: 10px 0 0; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 26px; align-items: flex-start; }
.foot nav a { color: var(--ink-soft); text-decoration: none; border-bottom: 1px solid transparent; }
.foot nav a:hover { border-bottom-color: var(--rule-strong); color: var(--ink); }
.foot-note {
  margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--rule);
  font-size: .84rem; color: var(--muted); max-width: 46rem;
}

/* ── legal pages ────────────────────────────────────────── */
.legal { max-width: 42rem; }
.legal h2 { font-size: 1.3rem; margin-top: 2.4em; }
.legal h2:first-of-type { margin-top: 1.2em; }
.legal ul { padding-left: 20px; max-width: var(--measure); }
.legal li { margin-bottom: .45em; }
.legal p, .legal li { color: var(--ink-soft); }
.updated { font-family: var(--mono); font-size: .78rem; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }

/* ── responsive ─────────────────────────────────────────── */
@media (max-width: 800px) {
  .cols { grid-template-columns: 1fr; gap: 26px; }
  .spec > div { grid-template-columns: 1fr; gap: 3px; }
  .spec.big .v { font-size: 1.22rem; }
  .swap > li { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .row { grid-template-columns: 1fr; }
  .shead { gap: 12px; }
  .points > li { padding-left: 2.7rem; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 58px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--rule);
    padding: 4px clamp(20px, 5vw, 40px) 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 0; border-bottom: 1px solid var(--rule); }
  .nav-links a.cta { border-bottom-color: var(--rule); }
}