/*
  The Anchor Protocol — site styles
  Brand tokens from style-guide.html (.org footer version).
  Mobile-first. Editorial book aesthetic.
*/

:root {
  --harbor: #1C3940;
  --harbor-soft: #2F525B;
  --paper: #FAF6F0;
  --paper-deep: #F1ECE2;
  --clay: #B5613F;
  --clay-soft: #E8C7B5;
  --ink: #1A1A1A;
  --rule: #D7CFC1;

  --display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --body: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --measure: 60ch;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}

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

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

a:hover,
a:focus {
  color: var(--harbor);
}

a:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ─── Header ─────────────────────────────────────────────── */

.site-header {
  padding: 2rem var(--gutter) 1rem;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--harbor);
}

.brand:hover,
.brand:focus {
  color: var(--harbor);
}

.brand-mark {
  width: 22px;
  height: 26px;
  color: var(--harbor);
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--harbor);
  font-variation-settings: "opsz" 36;
}

/* ─── Hero ───────────────────────────────────────────────── */

.hero {
  padding: clamp(2.5rem, 8vh, 5rem) var(--gutter);
  max-width: 720px;
  margin: 0 auto;
}

.hero-centered {
  text-align: center;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--harbor);
  margin-bottom: 1.5rem;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}

.hero-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.lede {
  font-family: var(--body);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.65;
  color: var(--ink);
  max-width: var(--measure);
  margin-bottom: 1.25rem;
}

.hero-centered .lede {
  margin-left: auto;
  margin-right: auto;
}

.text-link {
  font-family: var(--body);
  font-size: 1rem;
  color: var(--clay);
}

/* ─── Form ───────────────────────────────────────────────── */

.form-wrap {
  margin: 2.5rem 0;
  padding: 1.75rem;
  background: var(--paper-deep);
  border-radius: 4px;
  border: 1px solid var(--rule);
}

.form-heading {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--harbor);
  margin-bottom: 1rem;
  font-variation-settings: "opsz" 36;
}

.signup-form label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--harbor-soft);
  margin-bottom: 0.5rem;
}

.signup-row {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.signup-form input[type="email"] {
  font-family: var(--body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--harbor);
  border-radius: 3px;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

.signup-form input[type="email"]:focus {
  outline: 2px solid var(--clay);
  outline-offset: 1px;
}

.signup-form button {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.95rem 1.5rem;
  background: var(--harbor);
  color: var(--paper);
  border: 1px solid var(--harbor);
  border-radius: 3px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: background 120ms ease;
}

.signup-form button:hover,
.signup-form button:focus {
  background: var(--clay);
  border-color: var(--clay);
}

.signup-form button:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}

.form-note {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--harbor-soft);
  margin-top: 0.85rem;
  line-height: 1.5;
}

/* ─── What's inside ──────────────────────────────────────── */

.whats-inside {
  margin: 3rem 0 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.section-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--harbor);
  margin-bottom: 1.25rem;
  font-variation-settings: "opsz" 36;
}

.bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bullet-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.85rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 8px;
  height: 1px;
  background: var(--clay);
}

/* ─── Refusals block ─────────────────────────────────────── */

.refusals {
  margin: 2.5rem 0 0;
  padding: 1.5rem;
  background: var(--paper-deep);
  border-left: 3px solid var(--clay);
  border-radius: 0 4px 4px 0;
}

.refusal-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 0.5rem;
}

.refusals p:not(.refusal-label) {
  font-family: var(--body);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--harbor-soft);
}

/* ─── Footer ─────────────────────────────────────────────── */

.site-footer {
  padding: 3rem var(--gutter) 2.5rem;
  border-top: 1px solid var(--rule);
  background: var(--harbor);
  color: var(--clay-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-mark svg {
  width: 36px;
  height: 44px;
  color: var(--paper);
}

.footer-meta {
  text-align: right;
}

.footer-meta .copyright {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--clay-soft);
}

.footer-meta .url {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clay);
  margin-top: 0.25rem;
}

/* ─── Larger viewports ───────────────────────────────────── */

@media (min-width: 640px) {
  .signup-row {
    flex-direction: row;
    align-items: stretch;
  }

  .signup-form input[type="email"] {
    flex: 1;
  }

  .signup-form button {
    flex-shrink: 0;
    width: auto;
  }
}

@media (min-width: 900px) {
  .site-header {
    padding: 2.5rem var(--gutter) 1.25rem;
  }

  .brand-mark {
    width: 26px;
    height: 31px;
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .footer-mark svg {
    width: 48px;
    height: 58px;
  }
}

/* ─── Reduced motion ─────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}