/* ============================================
   LINDA PILLARD — AUTHORITY SITE
   Design Direction: Refined Luxury / Editorial
   Palette: Deep navy, warm gold, cream, forest green
   Typography: Cormorant Garamond + Jost
   ============================================ */

:root {
  --navy: #1a2744;
  --navy-deep: #0f1a2e;
  --navy-mid: #243358;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gold-pale: #f5e8c0;
  --cream: #faf7f0;
  --cream-dark: #f0ebe0;
  --forest: #2d4a3e;
  --warm-white: #fefcf8;
  --text-dark: #1a1a1a;
  --text-mid: #4a4a4a;
  --text-light: #7a7a7a;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', 'Helvetica Neue', sans-serif;

  --radius: 4px;
  --shadow-soft: 0 4px 24px rgba(26, 39, 68, 0.08);
  --shadow-card: 0 8px 40px rgba(26, 39, 68, 0.12);
  --shadow-deep: 0 20px 60px rgba(26, 39, 68, 0.20);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--warm-white);
  color: var(--text-dark);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ============================================
   NAVIGATION
   ============================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(26, 39, 68, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
  transition: all 0.3s ease;
}

.site-nav.scrolled {
  background: rgba(15, 26, 46, 0.99);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  flex-direction: column;
}

.nav-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 0.02em;
}

.nav-tagline {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 300;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--gold-light);
}

.nav-cta {
  background: var(--gold) !important;
  color: var(--navy-deep) !important;
  padding: 8px 20px !important;
  border-radius: var(--radius);
  font-weight: 600 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover {
  background: var(--gold-light) !important;
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold-light);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: 100vh;
  background: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(45, 74, 62, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(36, 51, 88, 0.4) 0%, transparent 50%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 79px,
      rgba(201, 168, 76, 0.03) 80px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 79px,
      rgba(201, 168, 76, 0.03) 80px
    );
}

.hero-path {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, rgba(201, 168, 76, 0.04), transparent);
}

.hero-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 80px 40px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

/* Book Cover */
.hero-book-side {
  display: flex;
  justify-content: center;
  align-items: center;
}

.book-cover-wrapper {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.book-cover {
  display: flex;
  position: relative;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
  width: 340px;
}

.book-spine {
  width: 28px;
  background: linear-gradient(to right, #0f1a2e, #1a2744, #243358);
  border-radius: 3px 0 0 3px;
  position: relative;
  flex-shrink: 0;
}

.book-spine::after {
  content: 'LINDA PILLARD';
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) rotate(-90deg);
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  transform-origin: center;
  width: max-content;
  transform: translateY(50%) rotate(-90deg) translateX(-50%);
}

.book-face {
  flex: 1;
  border-radius: 0 4px 4px 0;
  overflow: hidden;
  box-shadow: 
    inset -3px 0 8px rgba(0,0,0,0.2),
    3px 0 15px rgba(0,0,0,0.3);
}

.book-cover-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0 4px 4px 0;
}

.book-shadow {
  position: absolute;
  bottom: -30px;
  left: 10%;
  right: 5%;
  height: 40px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.4) 0%, transparent 70%);
  filter: blur(12px);
}

/* Hero Text */
.hero-text-side {
  color: var(--warm-white);
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 400;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--warm-white);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s 0.35s forwards;
}

.hero-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s 0.45s forwards;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--gold), transparent);
  max-width: 80px;
}

.divider-icon {
  color: var(--gold);
  font-size: 0.6rem;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--gold-light);
  line-height: 1.3;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.55s forwards;
}

.hero-description {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.65);
  max-width: 500px;
  margin-bottom: 32px;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.8s 0.65s forwards;
}

.hero-pillars {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s 0.75s forwards;
}

.pillar-word {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pillar-sep {
  color: rgba(201, 168, 76, 0.4);
  font-size: 1.2rem;
}

.hero-cta {
  display: inline-block;
  background: var(--gold);
  color: var(--navy-deep);
  text-decoration: none;
  padding: 16px 40px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all 0.3s ease;
  opacity: 0;
  animation: fadeUp 0.8s 0.85s forwards;
  position: relative;
  overflow: hidden;
}

.hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold-light);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.hero-cta:hover::before {
  transform: translateX(0);
}

.hero-cta span, .hero-cta {
  position: relative;
  z-index: 1;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.3);
}

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

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.3);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(201, 168, 76, 0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   FOREWORD QUOTE
   ============================================ */

.foreword-quote {
  background: var(--forest);
  padding: 80px 40px;
  position: relative;
  overflow: hidden;
}

.foreword-quote::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 30% 50%, rgba(201, 168, 76, 0.08) 0%, transparent 60%);
}

.fq-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.fq-mark {
  font-family: var(--font-display);
  font-size: 8rem;
  color: var(--gold);
  opacity: 0.25;
  line-height: 0.6;
  display: block;
  margin-bottom: 20px;
}

.fq-text {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-weight: 400;
  font-style: italic;
  color: var(--cream);
  line-height: 1.6;
  border: none;
  padding: 0;
  margin-bottom: 32px;
}

.fq-attribution {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.fq-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.05em;
}

.fq-title, .fq-note {
  font-size: 0.8rem;
  color: rgba(250, 247, 240, 0.55);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================
   CHAPTERS SECTION
   ============================================ */

.chapters-section {
  padding: 100px 40px;
  background: var(--cream);
  position: relative;
}

.chapters-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--navy), var(--gold), var(--navy));
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 72px;
}

.section-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 20px;
}

.section-sub {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-mid);
  font-weight: 300;
}

.chapters-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.chapter-card {
  background: var(--warm-white);
  border: 1px solid rgba(26, 39, 68, 0.08);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  position: relative;
}

.chapter-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--navy), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.chapter-card:hover::before {
  transform: scaleX(1);
}

.chapter-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-deep);
  border-color: transparent;
}

.chapter-card-inner {
  padding: 36px 32px;
}

.chapter-front {
  display: flex;
  flex-direction: column;
}

.chapter-number {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 16px;
}

.chapter-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: block;
}

.chapter-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 8px;
}

.chapter-sub {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: var(--gold);
  margin-bottom: 16px;
}

.chapter-teaser {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-mid);
  margin-bottom: 28px;
  flex: 1;
}

.chapter-read-btn {
  background: none;
  border: 1.5px solid var(--navy);
  color: var(--navy);
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all 0.25s;
  align-self: flex-start;
}

.chapter-read-btn:hover {
  background: var(--navy);
  color: var(--gold-light);
}

/* ============================================
   CHAPTER FULL TEXT
   ============================================ */

.chapter-content-section {
  background: var(--warm-white);
}

.chapter-full {
  display: none;
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 40px;
  animation: fadeIn 0.5s ease;
}

.chapter-full.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.cf-header {
  margin-bottom: 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--cream-dark);
}

.cf-back {
  background: none;
  border: none;
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
  margin-bottom: 32px;
  display: block;
  transition: color 0.2s;
}

.cf-back:hover {
  color: var(--navy);
}

.cf-number {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.cf-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.1;
  margin-bottom: 12px;
}

.cf-subtitle {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}

.cf-body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-dark);
}

.cf-body p {
  margin-bottom: 24px;
}

.cf-body h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--navy);
  margin-top: 48px;
  margin-bottom: 20px;
  line-height: 1.3;
}

.cf-body h3::before {
  content: '◆';
  color: var(--gold);
  font-size: 0.6rem;
  margin-right: 12px;
  vertical-align: middle;
}

.cf-body strong {
  color: var(--navy);
  font-weight: 600;
}

.chapter-closing {
  font-family: var(--font-display);
  font-size: 1.15rem !important;
  font-style: italic;
  color: var(--forest) !important;
  border-left: 3px solid var(--gold);
  padding-left: 24px !important;
  margin-top: 40px !important;
  line-height: 1.7 !important;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about-section {
  background: var(--navy);
  padding: 100px 40px;
  position: relative;
  overflow: hidden;
}

.about-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 80% 20%, rgba(45, 74, 62, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(201, 168, 76, 0.06) 0%, transparent 50%);
}

.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
}

.about-content .section-eyebrow {
  color: var(--gold);
}

.about-content .section-title {
  color: var(--warm-white);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin-bottom: 8px;
}

.about-tagline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--gold-light);
  margin-bottom: 28px;
}

.about-content p {
  color: rgba(250, 247, 240, 0.75);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 20px;
  font-weight: 300;
}

.about-content p strong {
  color: var(--gold-light);
  font-weight: 500;
}

.credentials-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: rgba(250, 247, 240, 0.7);
  font-weight: 300;
}

.credential-icon {
  color: var(--gold);
  font-size: 0.5rem;
  margin-top: 6px;
  flex-shrink: 0;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 100px;
}

.about-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-deep);
  border: 2px solid rgba(201, 168, 76, 0.2);
}

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

.about-quote {
  background: rgba(201, 168, 76, 0.08);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-left: 3px solid var(--gold);
  border-radius: 0 4px 4px 0;
  padding: 20px 24px;
}

.about-quote p {
  font-family: var(--font-display) !important;
  font-size: 1.3rem !important;
  font-style: italic;
  color: var(--gold-light) !important;
  margin-bottom: 8px !important;
}

.about-quote span {
  font-size: 0.75rem;
  color: rgba(250, 247, 240, 0.45) !important;
  letter-spacing: 0.1em;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-section {
  padding: 100px 40px;
  background: var(--cream);
  text-align: center;
}

.contact-inner {
  max-width: 900px;
  margin: 0 auto;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 16px;
}

.contact-sub {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 60px;
  font-weight: 300;
}

.contact-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 60px;
}

.cp-item {
  text-align: center;
}

.cp-word {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 12px;
}

.cp-item p {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.6;
  font-weight: 300;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-card {
  background: var(--warm-white);
  border: 1px solid rgba(26, 39, 68, 0.1);
  border-radius: 8px;
  padding: 28px 24px;
  text-decoration: none;
  transition: all 0.3s;
  display: block;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--gold);
}

.contact-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.contact-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 6px;
}

.contact-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--navy);
  font-weight: 500;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: var(--navy-deep);
  padding: 48px 40px;
  border-top: 1px solid rgba(201, 168, 76, 0.15);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--gold-light);
  font-weight: 500;
}

.footer-tagline {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.footer-copy p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  line-height: 1.7;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-book-side {
    order: -1;
  }

  .book-cover {
    width: 260px;
  }

  .hero-pillars {
    justify-content: center;
  }

  .hero-description {
    margin: 0 auto 32px;
  }

  .hero-divider {
    justify-content: center;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    position: static;
    max-width: 400px;
    margin: 0 auto;
  }

  .contact-pillars,
  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-copy {
    text-align: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--navy-deep);
    flex-direction: column;
    padding: 20px 32px;
    gap: 16px;
    border-bottom: 1px solid rgba(201, 168, 76, 0.15);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-mobile-toggle {
    display: flex;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 72px;
  }

  .hero-content {
    padding: 48px 24px;
  }

  .chapters-section {
    padding: 72px 24px;
  }

  .chapter-full {
    padding: 60px 24px;
  }

  .about-section,
  .contact-section {
    padding: 72px 24px;
  }

  .chapters-grid {
    grid-template-columns: 1fr;
  }

  .foreword-quote {
    padding: 60px 24px;
  }

  .cf-title {
    font-size: 2rem;
  }
}

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