/* ==========================================================================
   C.E. Holden — Placeholder site
   ========================================================================== */

:root {
  /* Color palette — warm paper-white with deep slate accent */
  --color-bg: #f5f2ec;
  --color-surface: #ede9df;
  --color-text: #1c1c1a;
  --color-text-muted: #5a5952;
  --color-rule: #c9c3b5;
  --color-accent: #3b4a55;         /* deep slate */
  --color-accent-hover: #2a363f;
  --color-cover-bg: #2b2e33;
  --color-cover-text: #9aa0a8;

  /* Typography */
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Palatino", "Charter", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Sizing */
  --max-content: 65ch;
  --max-container: 1100px;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6rem;
}

/* Base
   ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

p {
  margin: 0 0 1em;
  max-width: var(--max-content);
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 160ms ease;
}

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

em {
  font-style: italic;
}

.container {
  width: 100%;
  max-width: var(--max-container);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* Hero
   ========================================================================== */

.hero {
  padding: var(--space-6) 0 var(--space-5);
  border-bottom: 1px solid var(--color-rule);
}

.hero__inner {
  text-align: center;
}

.hero__name {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 var(--space-2);
  line-height: 1.1;
}

.hero__tagline {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0;
  max-width: none;
}

/* Section: Book
   ========================================================================== */

.book {
  padding: var(--space-6) 0;
}

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
  text-align: center;
  max-width: none;
}

.book__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}

.book__cover {
  max-width: 320px;
  margin: 0 auto;
  width: 100%;
}

.cover-placeholder {
  aspect-ratio: 1 / 1.6;
  background-color: var(--color-cover-bg);
  color: var(--color-cover-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-3);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 10px 30px rgba(0, 0, 0, 0.12);
}

.book__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.375rem);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 var(--space-1);
}

.book__series {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
}

.book__hook {
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 2.6vw, 1.75rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin: var(--space-4) 0 var(--space-4);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-accent);
  max-width: var(--max-content);
}

.book__text p:not(.book__hook):not(.book__series) {
  color: var(--color-text);
}

/* Section: Signup
   ========================================================================== */

.signup {
  background-color: var(--color-surface);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}

.signup__inner {
  text-align: center;
}

.signup h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 500;
  margin: 0 0 var(--space-2);
  line-height: 1.2;
}

.signup__copy {
  font-family: var(--font-serif);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin: 0 auto var(--space-4);
}

.signup__form {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-2) 0;
}

/* Kit (ConvertKit) form overrides
   Kit injects its own inline styles, so some declarations need !important. */

.signup__form .formkit-form {
  background-color: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  max-width: 480px !important;
  margin: 0 auto !important;
  font-family: var(--font-serif) !important;
}

.signup__form .formkit-form [data-style="clean"],
.signup__form .formkit-form [data-style="minimal"],
.signup__form .formkit-form [data-style="full"] {
  background-color: transparent !important;
}

.signup__form .formkit-header,
.signup__form .formkit-subheader {
  font-family: var(--font-serif) !important;
  color: var(--color-text) !important;
}

.signup__form .formkit-subheader p {
  color: var(--color-text-muted) !important;
}

.signup__form .formkit-field {
  margin-bottom: var(--space-2) !important;
}

.signup__form .formkit-input {
  font-family: var(--font-sans) !important;
  font-size: 1rem !important;
  color: var(--color-text) !important;
  background-color: var(--color-bg) !important;
  border: 1px solid var(--color-rule) !important;
  border-radius: 2px !important;
  padding: 0.85rem 1rem !important;
  width: 100% !important;
  transition: border-color 160ms ease !important;
}

.signup__form .formkit-input:focus {
  outline: none !important;
  border-color: var(--color-accent) !important;
  box-shadow: 0 0 0 3px rgba(59, 74, 85, 0.15) !important;
}

.signup__form .formkit-input::placeholder {
  color: var(--color-text-muted) !important;
  opacity: 0.7;
}

.signup__form .formkit-submit {
  font-family: var(--font-sans) !important;
  font-size: 0.8125rem !important;
  letter-spacing: 0.14em !important;
  text-transform: uppercase !important;
  background: var(--color-accent) !important;
  color: #f5f2ec !important;
  border: none !important;
  border-radius: 2px !important;
  padding: 0.95rem 1.5rem !important;
  cursor: pointer;
  transition: background-color 180ms ease !important;
  width: 100% !important;
}

.signup__form .formkit-submit:hover,
.signup__form .formkit-submit:focus {
  background: var(--color-accent-hover) !important;
}

.signup__form .formkit-submit > span {
  background: transparent !important;
  padding: 0 !important;
}

.signup__form .formkit-powered-by-convertkit-container,
.signup__form .formkit-powered-by-convertkit {
  display: none !important;
}

.signup__form .formkit-guarantee,
.signup__form .formkit-disclaimer {
  font-family: var(--font-sans) !important;
  font-size: 0.75rem !important;
  color: var(--color-text-muted) !important;
}

/* Footer
   ========================================================================== */

.footer {
  padding: var(--space-5) 0;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer p {
  margin: 0 auto 0.25rem;
  max-width: none;
}

.footer a {
  color: var(--color-text-muted);
}

.footer a:hover,
.footer a:focus {
  color: var(--color-accent);
}

/* Responsive
   ========================================================================== */

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }

  .book {
    padding: var(--space-7) 0;
  }

  .book__grid {
    grid-template-columns: 280px 1fr;
    gap: var(--space-6);
    align-items: start;
  }

  .book__cover {
    margin: 0;
    max-width: none;
    position: sticky;
    top: var(--space-4);
  }

  .section-eyebrow {
    text-align: left;
  }

  .hero {
    padding: var(--space-7) 0 var(--space-6);
  }

  .signup {
    padding: var(--space-7) 0;
  }
}

@media (min-width: 1024px) {
  .book__grid {
    grid-template-columns: 320px 1fr;
    gap: var(--space-7);
  }
}