/* ClickProof — modern brutalist UI. Hard edges, hard shadows, one loud accent. */

:root {
  --paper:   #f3f1e9;
  --ink:     #111111;
  --surface: #ffffff;
  --accent:  #ffd21e;
  --accent-press: #f5c400;
  --lime:    #c9f24d;
  --rose:    #ff8f8f;
  --border:  3px solid var(--ink);
  --shadow:  5px 5px 0 var(--ink);
  --shadow-lg: 8px 8px 0 var(--ink);
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { margin: 0 0 .6rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
h1 { font-size: 2.1rem; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
h3 { font-size: 1rem; }

a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { background: var(--accent); }

p { margin: .5rem 0; }

/* ---- layout ---- */
.wrap { max-width: 860px; margin: 0 auto; padding: 2rem 1.25rem 5rem; }

.bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.25rem;
  background: var(--surface);
  border-bottom: var(--border);
  position: sticky; top: 0; z-index: 10;
}
.bar nav a { margin-left: 1rem; text-decoration: none; font-weight: 700; font-size: .9rem; }
.bar nav a:hover { background: var(--accent); }

.wordmark {
  font-weight: 900; font-size: 1.15rem; letter-spacing: -0.03em; text-decoration: none;
}
.wordmark:hover { background: transparent; }
.wordmark span { background: var(--accent); padding: 0 .28em; border: 2px solid var(--ink); }

/* ---- surfaces ---- */
.box {
  background: var(--surface);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin: 1.25rem 0;
}
.box.accent { background: var(--accent); }

/* ---- forms ---- */
label {
  display: block; font-weight: 700; text-transform: uppercase;
  font-size: .72rem; letter-spacing: .08em; margin: 1rem 0 .3rem;
}
input[type=text], input[type=email], input[type=password], input[type=url],
textarea, select {
  width: 100%; padding: .65rem .7rem; font: inherit;
  background: var(--surface); border: var(--border);
  box-shadow: 3px 3px 0 var(--ink); outline: none;
}
input:focus, textarea:focus, select:focus {
  box-shadow: 3px 3px 0 var(--accent), 3px 3px 0 1px var(--ink);
}
textarea { resize: vertical; min-height: 4.5rem; }

/* ---- buttons ---- */
.btn, button {
  display: inline-block; font: inherit; font-weight: 800;
  text-transform: uppercase; letter-spacing: .03em; font-size: .85rem;
  padding: .6rem 1.15rem; cursor: pointer; text-decoration: none;
  background: var(--ink); color: var(--surface);
  border: var(--border); box-shadow: var(--shadow);
  transition: transform .05s linear, box-shadow .05s linear;
}
.btn:hover, button:hover { transform: translate(-2px, -2px); box-shadow: var(--shadow-lg); background: var(--ink); }
.btn:active, button:active { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--ink); }
.btn.accent, button.accent { background: var(--accent); color: var(--ink); }
.btn.small, button.small { padding: .3rem .6rem; font-size: .72rem; box-shadow: 3px 3px 0 var(--ink); }

/* ---- tables ---- */
table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--surface); border: var(--border); box-shadow: var(--shadow); margin: 1.25rem 0;
}
th, td { border-bottom: 2px solid var(--ink); border-right: 2px solid var(--ink); padding: .55rem .6rem; text-align: left; font-size: .9rem; vertical-align: top; }
th:last-child, td:last-child { border-right: 0; }
tr:last-child td { border-bottom: 0; }
th { background: var(--ink); color: var(--surface); text-transform: uppercase; font-size: .68rem; letter-spacing: .06em; }

/* ---- bits ---- */
.chip {
  display: inline-block; border: 2px solid var(--ink); background: var(--lime);
  box-shadow: 2px 2px 0 var(--ink);
  padding: .05rem .45em; font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em;
}
.muted { opacity: .6; }
.err, .ok {
  border: var(--border); box-shadow: var(--shadow); padding: .7rem .9rem; margin: 1rem 0; font-weight: 700;
}
.err { background: var(--rose); }
.ok  { background: var(--lime); }

pre {
  border: var(--border); box-shadow: var(--shadow); background: var(--ink); color: #f3f1e9;
  padding: .9rem; overflow-x: auto; font-family: var(--mono); font-size: .8rem;
  white-space: pre-wrap; word-break: break-word;
}

.stars-big { font-size: 1.6rem; letter-spacing: 2px; }
.big-num { font-size: 3.2rem; font-weight: 900; line-height: 1; letter-spacing: -0.03em; }

/* ---- landing ---- */
.hero { padding: 3rem 0 1rem; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); }
.lead { font-size: 1.15rem; max-width: 46ch; }
.pill {
  display: inline-block; background: var(--accent); border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink); padding: .2rem .6rem; font-weight: 800;
  text-transform: uppercase; font-size: .72rem; letter-spacing: .08em; margin-bottom: 1rem;
}
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.step { background: var(--surface); border: var(--border); box-shadow: var(--shadow); padding: 1.25rem; }
.step .n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border: 2px solid var(--ink); background: var(--accent);
  font-weight: 900; margin-bottom: .6rem;
}
.section { margin: 3rem 0; }
.rule { border: 0; border-top: var(--border); margin: 3rem 0; }
.foot { margin-top: 4rem; font-size: .85rem; }
.cols2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }