/* ============================================================
   Cheseborough Counterpoint Research — Coming Soon
   Palette:  cream paper, deep forest ink, muted brass accent.
   Type:     Cormorant Garamond (display) + Inter (body).
   ============================================================ */

:root {
  /* Colors */
  --ink:      #2f3b2a;   /* deep forest green — primary text */
  --ink-soft: #4a5744;   /* softer green — secondary text */
  --paper:    #f4efe4;   /* warm cream — page background */
  --paper-2:  #ebe4d3;   /* slightly deeper cream — subtle surface */
  --brass:    #a0783a;   /* muted brass — accent, links */
  --brass-dk: #7d5c2a;   /* darker brass — hover */
  --rule:     #d8ceba;   /* hairline rules */

  /* Type scale */
  --serif: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing */
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --stack:  clamp(1rem, 2.5vw, 1.5rem);
}

/* Reset (light-touch) */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }

body {
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Subtle paper texture using a repeating radial gradient — no image needed */
  background-image:
    radial-gradient(circle at 20% 15%, rgba(160, 120, 58, 0.05), transparent 40%),
    radial-gradient(circle at 80% 85%, rgba(47, 59, 42, 0.06), transparent 45%);
  background-attachment: fixed;
}

/* Page frame ------------------------------------------------ */
.page {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) var(--gutter) clamp(2rem, 5vw, 3rem);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: clamp(3rem, 8vw, 5rem);
  min-height: 100vh;
}

/* Top mark -------------------------------------------------- */
.mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
}
.mark__glyph {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.mark__wordmark {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}
.mark__wordmark em {
  font-style: italic;
  color: var(--brass);
  font-weight: 500;
}

/* Hero ------------------------------------------------------ */
.hero {
  display: flex;
  flex-direction: column;
  gap: var(--stack);
  align-self: center;
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.25rem;
}

.hero__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 6.5vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}
.hero__title em {
  font-style: italic;
  color: var(--brass);
  font-weight: 500;
}

.hero__tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2.6vw, 1.45rem);
  color: var(--ink-soft);
  margin: 0.25rem 0 0.5rem;
}

.hero__lede {
  max-width: 52ch;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0;
}

/* Signup form ----------------------------------------------- */
.signup {
  margin-top: 1.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 480px;
}

.signup__label {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.signup__row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.signup__input {
  flex: 1 1 220px;
  min-width: 0;
  padding: 0.75rem 0.9rem;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 4px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.signup__input:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(160, 120, 58, 0.18);
}
.signup__input::placeholder { color: #8f8877; }

.signup__button {
  padding: 0.75rem 1.25rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 4px;
  transition: background 160ms ease, transform 160ms ease;
}
.signup__button:hover { background: var(--brass-dk); border-color: var(--brass-dk); }
.signup__button:active { transform: translateY(1px); }

.signup__note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0.25rem 0 0;
}

/* Footer ---------------------------------------------------- */
.foot {
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.foot__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.foot__dot { opacity: 0.5; }
.foot a {
  color: var(--brass);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}
.foot a:hover { color: var(--brass-dk); border-bottom-color: var(--brass-dk); }

/* Small screens --------------------------------------------- */
@media (max-width: 480px) {
  .signup__row {
    flex-direction: column;
    align-items: stretch;
  }
  .signup__input {
    flex: 0 0 auto;   /* don't stretch to fill column height */
    width: 100%;
  }
  .signup__button { width: 100%; }
}

/* Accessibility --------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
  border-radius: 3px;
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}