/* =============================================
   ZERO FOX GIVEN — styles.css
   Mobile-first. Hand-rolled. No framework.
============================================== */

/* ---------- Design tokens ---------- */
:root {
  --color-terracotta: #C76538;
  --color-terracotta-dark: #A0502C;
  --color-cream: #F5EDE0;
  --color-cream-soft: #FAF4EA;
  --color-brown: #5C3A2E;
  --color-brown-deep: #3F2820;
  --color-sage: #9CAE8E;
  --color-sage-tint: #E5ECDE;

  --font-display: 'Lobster', 'Georgia', cursive;
  --font-body: 'Lato', 'Helvetica Neue', Arial, sans-serif;

  --max-content: 1100px;
  --max-prose: 680px;

  --radius: 8px;
  --radius-lg: 16px;

  --shadow-soft: 0 6px 24px rgba(63, 40, 32, 0.12);
  --shadow-card: 0 12px 36px rgba(63, 40, 32, 0.16);

  --transition: 200ms ease;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-brown);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-terracotta); text-decoration: none; transition: color var(--transition); }
a:hover, a:focus-visible { color: var(--color-brown); }

button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.2; }
p { margin: 0 0 1em; }

/* ---------- A11y helpers ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.hidden { display: none !important; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-brown);
  color: var(--color-cream);
  padding: 0.6rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--color-terracotta);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  color: var(--color-brown);
  text-align: center;
  margin-bottom: 1.25rem;
  position: relative;
}

.section-heading::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  background: var(--color-terracotta);
  border-radius: 2px;
  margin: 0.6rem auto 0;
}

.divider {
  width: 80px;
  height: 2px;
  background: var(--color-terracotta);
  opacity: 0.55;
  margin: 4rem auto 0;
  border-radius: 2px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--color-terracotta);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border: 0;
  border-radius: var(--radius);
  padding: 0.85rem 1.6rem;
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
}

.btn--primary {
  background-color: var(--color-terracotta);
  color: var(--color-cream);
  box-shadow: 0 2px 0 rgba(63,40,32,0.08);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-terracotta-dark);
  color: var(--color-cream);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(63,40,32,0.18);
}

/* =============================================
   SECTION 1 — HERO
============================================== */
.hero {
  background-color: var(--color-cream);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 4rem 1.25rem 6rem;
}

.hero__inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.hero__logo {
  width: 100%;
  max-width: 380px;
  height: auto;
  margin: 0 auto;
}

.hero__subheadline {
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 400;
  font-size: 1.125rem;       /* ~18pt mobile */
  line-height: 1.45;
  color: var(--color-brown);
  max-width: 600px;
  margin: 0 auto;
}

.hero__scroll-chevron {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: bounce 2.2s infinite ease-in-out;
}
.hero__scroll-chevron .chevron {
  display: block;
  width: 14px;
  height: 14px;
  border-right: 3px solid var(--color-terracotta);
  border-bottom: 3px solid var(--color-terracotta);
  transform: rotate(45deg);
}
.hero__scroll-chevron:hover .chevron,
.hero__scroll-chevron:focus-visible .chevron {
  border-color: var(--color-brown);
}

@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 8px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__scroll-chevron { animation: none; }
}

/* =============================================
   SECTION 2 — ABOUT
============================================== */
.about {
  background-color: var(--color-cream);
  padding: 5rem 0 5rem;
}

.about__body {
  max-width: var(--max-prose);
  margin: 0 auto;
  text-align: center;
}

.about__body p {
  font-size: 1.0625rem;       /* ~17pt */
  line-height: 1.75;
  color: var(--color-brown);
  margin-bottom: 1.5rem;
}

/* =============================================
   SECTION 3 — BOOK ONE
============================================== */
.book-one {
  background-color: var(--color-cream-soft);
  padding: 5rem 0;
}

.book-one__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.book-one__image-wrap {
  text-align: center;
}

.book-one__cover {
  max-width: 360px;
  width: 100%;
  margin: 0 auto;
  border-radius: 6px;
  box-shadow: var(--shadow-card);
  transform: rotate(-2deg);
  transition: transform var(--transition);
}
.book-one__cover:hover { transform: rotate(0deg); }

.book-one__cover--fallback {
  box-shadow: none;
  transform: rotate(0deg);
  opacity: 0.85;
}

.book-one__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 4.5vw, 2.4rem);
  color: var(--color-brown);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.book-one__subtitle {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-brown);
  margin-bottom: 1.25rem;
}

.book-one__body {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-brown);
  margin-bottom: 1rem;
}

.book-one__series-note {
  font-size: 0.95rem;
  color: var(--color-brown);
  opacity: 0.85;
  margin-bottom: 1.75rem;
}

/* =============================================
   SECTION 4 — WHAT'S COMING
============================================== */
.whats-coming {
  background-color: var(--color-cream);
  padding: 5rem 0;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.card {
  background-color: var(--color-cream-soft);
  border: 1px solid rgba(199, 101, 56, 0.18);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-soft);
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.card__icon {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.card__title {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--color-brown);
  margin-bottom: 0.4rem;
}

.card p {
  font-size: 0.97rem;
  line-height: 1.6;
  color: var(--color-brown);
  margin: 0;
}

.whats-coming__footer-line {
  text-align: center;
  font-size: 1.05rem;
  color: var(--color-brown);
  max-width: 580px;
  margin: 3rem auto 0;
}

/* =============================================
   SECTION 5 — STAY IN THE LOOP
============================================== */
.stay-loop {
  background-color: var(--color-cream);
  padding: 5rem 0;
}

.stay-loop__card {
  background-color: var(--color-sage-tint);
  border: 1px solid rgba(156, 174, 142, 0.5);
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  box-shadow: var(--shadow-soft);
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.stay-loop__body {
  max-width: 560px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-brown);
}

/* Ensure the HTML `hidden` attribute wins over display: flex/grid/block.
   Without this, JS that sets form.hidden = true doesn't actually hide
   elements that have explicit display rules. */
[hidden] {
  display: none !important;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 460px;
  margin: 0 auto 1.5rem;
}

.signup-form input[type="email"] {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(92, 58, 46, 0.25);
  background-color: var(--color-cream);
  color: var(--color-brown);
  width: 100%;
}
.signup-form input[type="email"]:focus {
  border-color: var(--color-terracotta);
  outline: none;
  box-shadow: 0 0 0 3px rgba(199,101,56,0.18);
}

.signup-form .btn { width: 100%; }

.signup-success {
  color: var(--color-brown);
  font-weight: 700;
  margin-top: 0.5rem;
}

.socials {
  list-style: none;
  padding: 0;
  margin: 1.75rem 0 0;
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--color-terracotta);
  font-size: 1.4rem;
  transition: color var(--transition), background-color var(--transition), transform var(--transition);
}
.socials a:hover,
.socials a:focus-visible {
  color: var(--color-brown);
  background-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

/* =============================================
   FOOTER
============================================== */
.footer {
  background-color: var(--color-brown);
  color: var(--color-cream);
  padding: 2.25rem 0;
  text-align: center;
}

.footer__line-1 {
  font-size: 0.95rem;
  margin: 0 0 0.35rem;
}
.footer__line-2 {
  font-size: 0.85rem;
  opacity: 0.75;
  margin: 0;
}

/* =============================================
   RESPONSIVE — TABLET (>= 768px)
============================================== */
@media (min-width: 768px) {
  body { font-size: 17px; }

  .hero__logo { max-width: 540px; }
  .hero__subheadline { font-size: 1.375rem; }   /* ~22pt */

  .container { padding: 0 2rem; }

  .book-one__grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
  .book-one__cover { max-width: 380px; }

  .cards {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .signup-form {
    flex-direction: row;
    align-items: stretch;
  }
  .signup-form input[type="email"] { flex: 1; }
  .signup-form .btn { width: auto; }
}

/* =============================================
   RESPONSIVE — DESKTOP (>= 1024px)
============================================== */
@media (min-width: 1024px) {
  .hero__logo { max-width: 600px; }

  .cards {
    grid-template-columns: repeat(4, 1fr);
  }

  .about { padding: 6rem 0; }
  .book-one,
  .whats-coming,
  .stay-loop { padding: 6rem 0; }
}

/* =============================================
   PRINT — keep it tidy if anyone prints it
============================================== */
@media print {
  .hero__scroll-chevron,
  .signup-form,
  .socials { display: none !important; }
  body { background: #fff; color: #000; }
}