/* BrickChief — mobile-first, no external assets. */
:root {
  /* Official Rebrickable colors only; names, hex and contrast notes in palette.md. */
  --red: #C91A09;          /* Red: white text 5.78:1 */
  --blue: #0055BF;         /* Blue: links, 6.88:1 on White, 4.90:1 on Lavender */
  --yellow: #F2CD37;       /* Yellow: accents only, Black text */
  --dark-purple: #3F3691;  /* Dark Purple: footer, hover, focus; white text 9.78:1 */
  --orange: #FE8A18;       /* Orange: accents only, Black text */
  --green: #237841;        /* Green: success/checkmarks on White */
  --white: #FFFFFF;
  --black: #05131D;        /* Black: 18.79:1 on White, 13.37:1 on Lavender */
  --lavender: #E1D5ED;
  --medium-lavender: #AC78BA; /* borders: 3.41:1 on White */
  --pearl-dark-gray: #575857; /* muted text: 7.15:1 on White, 5.08:1 on Lavender */

  --bg: var(--white);
  --bg-alt: var(--lavender);
  --card: var(--white);
  --ink: var(--black);
  --ink-soft: var(--pearl-dark-gray);
  --border: var(--medium-lavender);
  --focus: var(--dark-purple);
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; }
h1 { font-size: clamp(1.9rem, 6vw, 3rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 4.5vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

a { color: var(--blue); }
a:hover { color: var(--dark-purple); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--yellow);
  border-radius: 4px;
}

.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 40rem; }

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -4rem;
  background: var(--dark-purple);
  color: var(--white);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  z-index: 10;
}
.skip-link:focus { top: 0.5rem; color: var(--white); }

/* Header + wordmark */
/* Header sits on a thin strip of brick colors */
.site-header {
  padding: 1rem 0 calc(1rem + 6px);
  background:
    linear-gradient(to right,
      var(--red) 0 16.67%, var(--orange) 0 33.33%, var(--yellow) 0 50%,
      var(--green) 0 66.67%, var(--blue) 0 83.33%, var(--dark-purple) 0)
    bottom / 100% 6px no-repeat,
    var(--bg);
}
.wordmark {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  margin: 0;
}
.wordmark span { color: var(--red); }
.wordmark a { color: inherit; text-decoration: none; }
.wordmark.small { font-size: 1.15rem; }

/* Subtle stud pattern: White studs on Lavender only lighten the background, so text contrast never drops */
.studs {
  background-color: var(--bg-alt);
  background-image: radial-gradient(circle at center, rgba(255, 255, 255, 0.55) 0 7px, transparent 8px);
  background-size: 32px 32px;
  background-position: 8px 8px;
}

/* Sections */
.hero { padding: 3.5rem 0 3rem; }
.hero .wrap { max-width: 46rem; }
.lead { font-size: 1.2rem; color: var(--ink-soft); }
.hero-note { margin-top: 1.25rem; font-weight: 600; color: var(--ink-soft); }

.section { padding: 3rem 0; }
.section-alt { background: var(--bg-alt); }
.section-alt.studs { background-color: var(--bg-alt); }

/* Button */
.button {
  display: inline-block;
  font: inherit;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  background: var(--red);
  border: 0;
  border-radius: 10px;
  padding: 0.85rem 1.5rem;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--dark-purple);
  min-height: 44px;
}
.button:hover { background: var(--dark-purple); color: var(--white); box-shadow: 0 4px 0 var(--black); }
.button:active { background: var(--dark-purple); color: var(--white); transform: translateY(2px); box-shadow: 0 2px 0 var(--black); }
.button[disabled], .button[aria-disabled="true"] { opacity: 0.7; cursor: progress; }

@media (prefers-reduced-motion: reduce) {
  .button:active { transform: none; }
}

/* Brick cards: rounded, with two little studs on top (stud color varies per card) */
.brick-card {
  --stud: var(--yellow);
  position: relative;
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.25rem 1.1rem;
  box-shadow: 0 4px 0 var(--border);
  margin-top: 10px;
}
.brick-card::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 1.25rem;
  width: 58px;
  height: 10px;
  background:
    radial-gradient(ellipse at center, var(--stud) 0 60%, transparent 62%) 0 0 / 22px 10px no-repeat,
    radial-gradient(ellipse at center, var(--stud) 0 60%, transparent 62%) 34px 0 / 22px 10px no-repeat;
}
.pain-list > .brick-card:nth-child(6n+1), .steps > .brick-card:nth-child(3n+1), .promises > .brick-card:nth-child(3n+1) { --stud: var(--red); }
.pain-list > .brick-card:nth-child(6n+2), .steps > .brick-card:nth-child(3n+2), .promises > .brick-card:nth-child(3n+2) { --stud: var(--blue); }
.pain-list > .brick-card:nth-child(6n+3), .steps > .brick-card:nth-child(3n+3), .promises > .brick-card:nth-child(3n+3) { --stud: var(--yellow); }
.pain-list > .brick-card:nth-child(6n+4) { --stud: var(--green); }
.pain-list > .brick-card:nth-child(6n+5) { --stud: var(--orange); }
.pain-list > .brick-card:nth-child(6n+6) { --stud: var(--dark-purple); }

.pain-list, .steps, .promises { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
.pain { font-weight: 700; margin-bottom: 0.5em; }
.fix { color: var(--ink-soft); margin: 0; padding-left: 1.6rem; position: relative; }
.fix::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 800;
}

.steps { counter-reset: step; }
.steps li { counter-increment: step; padding-left: 4rem; }
.steps li::after {
  content: counter(step);
  position: absolute;
  left: 1.1rem;
  top: 1.3rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 8px;
  background: var(--yellow);
  color: var(--black);
  font-weight: 800;
  display: grid;
  place-items: center;
}
.steps li:nth-child(2n)::after { background: var(--orange); }
.steps p, .promises p { margin: 0; color: var(--ink-soft); }

@media (min-width: 48rem) {
  .pain-list { grid-template-columns: repeat(2, 1fr); }
  .steps, .promises { grid-template-columns: repeat(3, 1fr); }
  .hero { padding: 5rem 0 4.5rem; }
  .section { padding: 4rem 0; }
}

/* Form */
#signup:focus { outline: none; }
.form-card { padding: 1.5rem 1.25rem; }
@media (min-width: 40rem) { .form-card { padding: 2rem; } }

.field { margin: 0 0 1.25rem; }
fieldset.field { border: 0; padding: 0; min-width: 0; }
label, legend { display: block; font-weight: 700; margin-bottom: 0.35rem; padding: 0; }
.hint { font-weight: 400; color: var(--ink-soft); }

input[type="text"], input[type="email"], input[type="tel"], select {
  display: block;
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--pearl-dark-gray); /* 7.15:1 against White for non-text contrast */
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  min-height: 44px;
}
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--red); }

.choices { display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; }
.choice {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
  margin: 0;
  padding: 0.45rem 0.8rem;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  cursor: pointer;
  min-height: 44px;
}
.choice input { width: 1.15rem; height: 1.15rem; margin: 0; accent-color: var(--red); }
.choice:has(input:checked) { border-color: var(--dark-purple); background: var(--lavender); }
fieldset[aria-invalid="true"] .choice { border-color: var(--red); }

.other-field { margin: 0.9rem 0 0; }
.other-field[hidden] { display: none; }
.platform-count { margin: 0.6rem 0 0; color: var(--ink-soft); font-size: 0.95rem; }

.field-error {
  color: var(--red);
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0.35rem 0 0;
}
.field-error[hidden] { display: none; }

.form-status:empty { display: none; }
.form-status {
  border: 2px solid var(--red);
  border-left-width: 6px;
  background: var(--white);
  color: var(--red);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.fine-print { margin: 0.9rem 0 0; font-size: 0.9rem; color: var(--ink-soft); }

/* Honeypot: off-screen, not display:none (some bots skip hidden fields) */
.hp {
  position: absolute !important;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.success h3 { font-size: 1.5rem; }
.success:focus {
  /* Focus is moved here programmatically; keep it visible for keyboard/AT users. */
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

/* Footer */
.site-footer {
  background: var(--dark-purple);
  color: var(--white);
  padding: 2.5rem 0;
  font-size: 0.9rem;
}
.site-footer .wordmark { color: var(--white); }
.site-footer .wordmark span { color: var(--yellow); }
.site-footer p { max-width: 48rem; }
.footer-links { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin: 0 0 1em; padding: 0; }
.site-footer a { color: var(--white); }
/* Dark Purple outline would vanish on the footer; Yellow is 6.31:1 against it */
.site-footer :focus-visible { outline-color: var(--yellow); box-shadow: none; }
.site-footer a:hover { color: var(--yellow); }

/* Terms / Privacy pages */
.legal h2 { font-size: 1.35rem; margin-top: 2rem; }
.legal ul { padding-left: 1.25rem; margin: 0 0 1em; }
.effective { color: var(--ink-soft); font-weight: 600; }

/* Get the app page (brickchief.app): store "buttons" are plain text until the apps exist */
.store-buttons { list-style: none; padding: 0; margin: 1.5rem 0; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.store-button {
  display: inline-block;
  font-weight: 700;
  color: var(--ink-soft);
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 0.75rem 1.25rem;
  min-height: 44px;
  cursor: not-allowed;
}

/* No-JS fallback pages from /api/signup */
.fallback { max-width: 40rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.fallback .wordmark { margin-bottom: 1.5rem; }
.error-list { padding-left: 1.25rem; }