/* ================================================================
   HARMATTAN HUES PUBLISHING LTD — style.css
   Design System : Warm Minimalism
   ZERO-GAP POLICY: The CSS `gap` property is never used.
   All spacing is handled via explicit margin and padding only.
================================================================ */

/* ----------------------------------------------------------------
   1. Design Tokens
---------------------------------------------------------------- */
:root {
  --color-bg:          #FDFBF7;
  --color-bg-alt:      #F5F1EA;
  --color-text:        #2A2A2A;
  --color-text-muted:  #7A736A;
  --color-accent:      #C86A45;
  --color-accent-dark: #A85535;
  --color-rule:        #E2DAD0;
  --color-white:       #FFFFFF;

  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans:  'Lato', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;
  --space-xxl: 10rem;

  --container-max: 1180px;
  --container-pad: clamp(1.5rem, 5vw, 4rem);

  --nav-height: 74px;

  --transition-base:  0.28s ease;
  --transition-menu:  0.45s cubic-bezier(0.77, 0, 0.18, 1);
}

/* ----------------------------------------------------------------
   2. Reset & Base
---------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Prevent scroll when mobile menu is open */
body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ----------------------------------------------------------------
   3. Container Helper
---------------------------------------------------------------- */
.nav-inner,
.hero-inner,
.section-header,
.book-grid,
.catalog-cta,
.pull-quote-inner,
.about-inner,
.submissions-inner,
.footer-inner {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ----------------------------------------------------------------
   4. Typography
---------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 55ch;
  line-height: 1.8;
}

/* ----------------------------------------------------------------
   5. Buttons
---------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 0.85rem 2.25rem;
  border-radius: 2px;
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-accent-dark);
  box-shadow: 0 4px 20px rgba(200, 106, 69, 0.28);
  outline: none;
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  padding: 0.85rem 2.25rem;
  border-radius: 2px;
  border: 1.5px solid var(--color-rule);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-text);
  outline: none;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-accent);
  padding: 0.85rem 2.25rem;
  border-radius: 2px;
  border: 1.5px solid var(--color-accent);
}
.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--color-accent);
  color: var(--color-white);
  outline: none;
}

/* ----------------------------------------------------------------
   6. Navigation Bar
---------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--nav-height);
  background-color: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base);
}

.site-header.scrolled {
  border-bottom-color: var(--color-rule);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative; /* Added to constrain the absolute logo */
}

/* Desktop link groups */
.nav-links {
  display: flex;
  align-items: center;
  flex: 1;
}
.nav-links--left  { justify-content: flex-start; }
.nav-links--right { justify-content: flex-end; }

.nav-links--left  li + li { margin-left: 2.5rem; }
.nav-links--right li + li { margin-left: 2.5rem; }

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition-base);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text);
  outline: none;
}
.nav-link:hover::after,
.nav-link:focus-visible::after {
  width: 100%;
}

/* Position the brand container to hang over the hero */
.brand {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 1rem;
  z-index: 220; 
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0;
  transition: top var(--transition-base);
}

.brand:hover { 
  opacity: 0.9; 
}

/* Make the logo huge so it spans the space */
.brand-logo {
  height: auto;
  max-height: 150px; /* Adjust this to make the logo larger or smaller */
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(42, 42, 42, 0.06));
  transition: max-height var(--transition-base);
}

/* Bonus: Shrink the logo elegantly when the user scrolls down */
.site-header.scrolled .brand {
  top: 0;
  height: var(--nav-height);
  align-items: center;
}
.site-header.scrolled .brand-logo {
  max-height: 48px;
}

/* ── Hamburger button ── */
.nav-toggle {
  display: none;          /* hidden on desktop */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  position: relative;
  z-index: 210;           /* above mobile-menu overlay */
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle-bar {
  display: block;
  width: 26px;
  height: 1.5px;
  background-color: var(--color-text);
  border-radius: 2px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  transition:
    transform var(--transition-base),
    opacity   var(--transition-base),
    top       var(--transition-base);
}

/* Resting state */
.bar-top { top: 14px; }
.bar-mid { top: 21px; }
.bar-bot { top: 28px; }

/* Open (X) state */
.nav-toggle.is-open .bar-top {
  top: 21px;
  transform: translateX(-50%) rotate(45deg);
}
.nav-toggle.is-open .bar-mid {
  opacity: 0;
  transform: translateX(-50%) scaleX(0);
}
.nav-toggle.is-open .bar-bot {
  top: 21px;
  transform: translateX(-50%) rotate(-45deg);
}

/* ----------------------------------------------------------------
   7. Full-Screen Mobile Menu
---------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 190;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
  padding-bottom: 3rem;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);

  /* Hidden by default */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition:
    opacity    var(--transition-menu),
    visibility var(--transition-menu),
    transform  var(--transition-menu);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav {
  width: 100%;
  max-width: 440px;
  text-align: center;
}

.mobile-nav-list {
  margin-bottom: 3.5rem;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--color-rule);
}

.mobile-nav-item:first-child {
  border-top: 1px solid var(--color-rule);
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  font-weight: 500;
  color: var(--color-text);
  padding-top: 1rem;
  padding-bottom: 1rem;
  letter-spacing: -0.01em;
  transition: color var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-accent);
}

/* Stagger animation for each link when menu opens */
.mobile-menu.is-open .mobile-nav-item:nth-child(1) .mobile-nav-link {
  animation: linkReveal 0.4s ease 0.10s both;
}
.mobile-menu.is-open .mobile-nav-item:nth-child(2) .mobile-nav-link {
  animation: linkReveal 0.4s ease 0.18s both;
}
.mobile-menu.is-open .mobile-nav-item:nth-child(3) .mobile-nav-link {
  animation: linkReveal 0.4s ease 0.26s both;
}
.mobile-menu.is-open .mobile-nav-item:nth-child(4) .mobile-nav-link {
  animation: linkReveal 0.4s ease 0.34s both;
}

@keyframes linkReveal {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-menu-footer {
  margin-top: 0;
}

.mobile-menu-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.mobile-menu-address {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ----------------------------------------------------------------
   8. Hero Section
---------------------------------------------------------------- */
.hero {
  position: relative;
  height: 100svh; /* Forces it to fit exactly in the viewport height */
  min-height: 650px; /* Safe minimum for very small mobile screens */
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 7rem); /* Clears the giant hanging logo */
  padding-bottom: 2rem; /* Reduced to prevent unnecessary scrolling */
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.1s forwards;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 1rem; /* Reduced from 2rem */
  opacity: 0;
  animation: fadeUp 0.9s ease 0.25s forwards;
}

.hero-subheadline {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.85;
  margin-bottom: 2rem; /* Reduced from 3rem */
  opacity: 0;
  animation: fadeUp 0.9s ease 0.4s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.55s forwards;
}

.hero-actions .btn {
  margin-left: 0.65rem;
  margin-right: 0.65rem;
  margin-bottom: 0.75rem;
}

/* Decorative page rules */
.hero-rule {
  position: absolute;
  left: var(--container-pad);
  right: var(--container-pad);
  height: 1px;
  background-color: var(--color-rule);
}
.hero-rule--top    { top: calc(var(--nav-height) + 1.5rem); }
.hero-rule--bottom { bottom: var(--space-lg); }

/* ── Hero centered logo (Replaces the background watermark) ── */
.hero-logo-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem; /* Maintains the Zero-Gap policy */
}

.hero-hero-logo {
  height: 90px; /* Adjust this value to make the logo larger or smaller */
  width: auto;
  object-fit: contain;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  animation: logoHeroReveal 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes logoHeroReveal {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Update your existing hero text animations 
   to stagger slightly behind the new logo entrance 
*/
.hero-eyebrow {
  /* Keep existing properties */
  animation: fadeUp 0.9s ease 0.2s forwards; /* Updated delay */
}

.hero-headline {
  /* Keep existing properties */
  animation: fadeUp 0.9s ease 0.35s forwards; /* Updated delay */
}

.hero-subheadline {
  /* Keep existing properties */
  animation: fadeUp 0.9s ease 0.5s forwards; /* Updated delay */
}

.hero-actions {
  /* Keep existing properties */
  animation: fadeUp 0.9s ease 0.65s forwards; /* Updated delay */
}

/* ----------------------------------------------------------------
   9. Marquee Strip
---------------------------------------------------------------- */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  padding-top: 1rem;
  padding-bottom: 1rem;
  background-color: var(--color-bg-alt);
}

.marquee-track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  animation: marqueeScroll 10s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
  cursor: pointer;
}

.marquee-track span {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  flex-shrink: 0;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.marquee-dot {
  color: var(--color-accent) !important;
  font-size: 1rem !important;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ----------------------------------------------------------------
   10. Featured Catalog
---------------------------------------------------------------- */
.catalog {
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header .section-sub {
  margin-left: auto;
  margin-right: auto;
  margin-top: 0.75rem;
}

/* Book grid — flex wrap, no gap */
.book-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.book-card {
  flex: 0 0 calc(25% - 2.5rem);
  max-width: 240px;
  margin-left: 1.25rem;
  margin-right: 1.25rem;
  margin-bottom: 3rem;
  transition: transform var(--transition-base);
}

.book-card:hover {
  transform: translateY(-6px);
}

.book-cover {
  position: relative;
  width: 100%;
  padding-bottom: 148%;
  border-radius: 2px;
  overflow: hidden;
  box-shadow:
    0 2px 6px rgba(42, 42, 42, 0.08),
    0 8px 28px rgba(42, 42, 42, 0.12),
    4px 0 0 0 rgba(0, 0, 0, 0.15) inset;
  transition: box-shadow var(--transition-base);
}

.book-card:hover .book-cover {
  box-shadow:
    0 6px 18px rgba(42, 42, 42, 0.12),
    0 20px 48px rgba(42, 42, 42, 0.16),
    4px 0 0 0 rgba(0, 0, 0, 0.2) inset;
}

.cover-texture {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255, 255, 255, 0.02) 3px,
    rgba(255, 255, 255, 0.02) 4px
  );
  pointer-events: none;
}

.cover-ornament {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  color: rgba(255, 255, 255, 0.18);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.book-meta {
  padding-top: 1.125rem;
}

.book-genre {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.book-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 0.3rem;
}

.book-author {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.catalog-cta {
  text-align: center;
  margin-top: var(--space-md);
}

/* ----------------------------------------------------------------
   11. Pull Quote
---------------------------------------------------------------- */
.pull-quote {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  background-color: var(--color-bg-alt);
}

.pull-quote-inner {
  text-align: center;
}

.quote-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.4rem, 3.5vw, 2.4rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-text);
  max-width: 38em;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.5rem;
}

.quote-attribution {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.quote-attribution cite { font-style: normal; }

/* ----------------------------------------------------------------
   12. About Section
---------------------------------------------------------------- */
.about {
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

.about-inner { text-align: center; }

.about-inner .section-heading {
  margin-bottom: var(--space-md);
}

.about-body {
  max-width: 62ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-lg);
  text-align: left;
}

.about-body p {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text);
}

.about-body p + p { margin-top: 1.5rem; }

.about-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  border-top: 1px solid var(--color-rule);
  padding-top: var(--space-lg);
}

.stat-item {
  flex: 0 0 auto;
  text-align: center;
  padding-left: 3rem;
  padding-right: 3rem;
  margin-bottom: var(--space-md);
}

.stat-item + .stat-item {
  border-left: 1px solid var(--color-rule);
}

.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ----------------------------------------------------------------
   13. Submissions Section
---------------------------------------------------------------- */
.submissions {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.submissions-inner {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
}

.submissions-text {
  flex: 1 1 320px;
  padding-right: 5rem;
  margin-bottom: var(--space-md);
}

.submissions-text .section-heading { margin-bottom: 1.25rem; }
.submissions-text .section-heading em {
  font-style: italic;
  color: var(--color-accent);
}

.submissions-body {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-md);
}

.submissions-aside {
  flex: 0 0 auto;
  width: 280px;
  margin-bottom: var(--space-md);
}

.submissions-note {
  border-left: 2px solid var(--color-accent);
  padding-left: 1.75rem;
}

.note-heading {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.note-list { list-style: none; }

.note-list li {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--color-rule);
}

.note-list li:last-child { border-bottom: none; }
.note-list li em { font-style: italic; color: var(--color-text); }

/* ----------------------------------------------------------------
   13.5 Business Plan Download
---------------------------------------------------------------- */
.business-plan {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
  text-align: center;
  background-color: var(--color-bg); 
  border-top: 1px solid var(--color-rule);
}

.plan-inner {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.business-plan .section-heading {
  margin-bottom: 1rem;
}

.plan-body {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

.plan-actions {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ----------------------------------------------------------------
   14. Footer
---------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-rule);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-md);
}

.footer-newsletter {
  text-align: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-rule);
}

.footer-newsletter-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.footer-newsletter-sub {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.form-row {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.newsletter-input {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: transparent;
  border: none;
  border-bottom: 1.5px solid var(--color-rule);
  outline: none;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  width: 300px;
  margin-right: 1rem;
  margin-bottom: 0.75rem;
  transition: border-color var(--transition-base);
  border-radius: 0;
  -webkit-appearance: none;
}

.newsletter-input::placeholder { color: var(--color-rule); }
.newsletter-input:focus { border-bottom-color: var(--color-accent); }

.newsletter-btn { margin-bottom: 0.75rem; }

.form-consent {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.footer-nav-col {
  min-width: 160px;
  padding-left: 2rem;
  padding-right: 2rem;
  margin-bottom: var(--space-md);
}

.footer-nav-heading {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.footer-nav-col li { margin-bottom: 0.6rem; }

.footer-nav-col a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.footer-nav-col a:hover { color: var(--color-text); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-rule);
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.footer-legal a {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 1.5rem;
  transition: color var(--transition-base);
}

.footer-legal a:first-child { margin-left: 0; }
.footer-legal a:hover { color: var(--color-text); }

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  text-align: right;
  flex-basis: 100%;
}

/* ----------------------------------------------------------------
   15. Animations
---------------------------------------------------------------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------------------------------------------------
   16. Responsive — Tablet  (≤ 960px)
   Hamburger appears; desktop nav links are hidden.
---------------------------------------------------------------- */
@media (max-width: 960px) {

  /* Show hamburger, hide desktop nav links */
  .nav-toggle { display: flex; }
  .nav-links  { display: none; }

  /* Logo gets slightly more room */
  .brand {
    padding-left: 0;
    padding-right: 0;
    margin-right: auto; /* push to left on tablet once nav links are gone */
    margin-left: 0;
  }

  /* Book grid: 2 columns */
  .book-card {
    flex: 0 0 calc(50% - 2.5rem);
    max-width: 260px;
  }

  /* Submissions: stack */
  .submissions-text  { padding-right: 0; }
  .submissions-aside { width: 100%; }

  /* Stats: 2 × 2 grid */
  .stat-item {
    flex: 0 0 50%;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .stat-item + .stat-item { border-left: none; }

  /* 2×2 stat separators via nth-child borders */
  .stat-item:nth-child(odd)  { border-right: 1px solid var(--color-rule); }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4)    { border-top: 1px solid var(--color-rule); padding-top: var(--space-md); }

  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-copy   { text-align: left; }
}

/* ----------------------------------------------------------------
   17. Responsive — Mobile  (≤ 540px)
---------------------------------------------------------------- */
@media (max-width: 540px) {

  /* Tighten hero */
  .hero {
    padding-top: calc(var(--nav-height) + 2rem);
    padding-bottom: var(--space-xl);
    min-height: auto;
  }

  .hero-headline {
    font-size: clamp(2.2rem, 11vw, 3.2rem);
  }

  .hero-subheadline { font-size: 1rem; }

  /* Buttons stack */
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 320px;
    margin-left: 0;
    margin-right: 0;
    text-align: center;
  }

  /* Logo smaller on small phones */
  .brand-logo {
    height: 38px;
    max-width: 160px;
  }

  /* Book grid: single column */
  .book-card {
    flex: 0 0 calc(100% - 2.5rem);
    max-width: 300px;
  }

  /* Stats: full width stack */
  .stat-item {
    flex: 0 0 100%;
    border-left: none;
    border-right: none;
    border-top: none;
    border-bottom: 1px solid var(--color-rule);
    padding-top: var(--space-sm);
    padding-bottom: var(--space-sm);
  }

  .stat-item:last-child    { border-bottom: none; }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4)  { border-top: none; padding-top: var(--space-sm); }
  .stat-item:nth-child(odd) { border-right: none; }

  /* Footer nav: centred */
  .footer-nav { text-align: center; }

  .footer-nav-col {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  /* Newsletter form: stacked */
  .form-row { flex-direction: column; align-items: center; }

  .newsletter-input {
    width: 100%;
    max-width: 300px;
    margin-right: 0;
  }

  .newsletter-btn {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  /* Quote smaller */
  .quote-text { font-size: clamp(1.2rem, 5vw, 1.8rem); }
}