/* ============================================
   CSS CUSTOM PROPERTIES - Book Cover Theme
   ============================================ */
:root {
  /* Primary colors from book cover */
  --color-navy: #0a1628;
  --color-navy-deep: #050a14;
  --color-navy-dark: #071020;
  --color-blue: #0d3b7a;
  --color-blue-bright: #1a5fc8;
  --color-blue-light: #4a8fd8;
  --color-blue-pale: rgba(13, 59, 122, 0.15);

  /* Neutral colors */
  --color-black: #0d0d0d;
  --color-charcoal: #1a1a2e;
  --color-white: #f5f5f5;
  --color-white-dim: rgba(245, 245, 245, 0.7);
  --color-white-muted: rgba(245, 245, 245, 0.4);
  --color-white-ghost: rgba(245, 245, 245, 0.1);

  /* Accent - from book cover blue */
  --color-accent: #0d3b7a;
  --color-accent-light: #1a5fc8;
  --color-accent-glow: rgba(13, 59, 122, 0.2);

  /* Fonts - Oswald matches the bold condensed book cover typography */
  --font-display: 'Oswald', 'Bebas Neue', 'Impact', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --nav-height: 80px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

html { font-size: 16px; }

body {
  background: var(--color-navy-deep);
  color: var(--color-white);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-navy-dark); }
::-webkit-scrollbar-thumb { background: var(--color-blue); border-radius: 3px; }

/* ============================================
   PAGE MANAGEMENT
   ============================================ */
.page { display: none; min-height: 100vh; }
.page.active { display: block; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition), backdrop-filter var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(5, 10, 20, 0.95);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--color-accent-glow);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  cursor: pointer;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white-dim);
  cursor: pointer;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1.5px;
  background: var(--color-blue-bright);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-cta {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-blue);
  padding: 12px 28px;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.nav-cta:hover {
  background: var(--color-blue-bright);
  transform: translateY(-1px);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  width: 24px; height: 1.5px;
  background: var(--color-white);
  transition: all var(--transition);
  display: block;
}

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-navy-deep);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}
.nav-mobile.open { display: flex; }

.nav-mobile .nav-link {
  font-size: 1.8rem;
  letter-spacing: 0.1em;
  color: var(--color-white-dim);
  font-family: var(--font-display);
  font-weight: 500;
}

.nav-close {
  position: absolute;
  top: 30px; right: 40px;
  font-size: 1.5rem;
  color: var(--color-white-muted);
  cursor: pointer;
}

/* ============================================
   HOME PAGE
   ============================================ */

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(13, 59, 122, 0.4) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 70%, rgba(26, 95, 200, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(13, 59, 122, 0.08) 0%, transparent 50%),
    var(--color-navy-deep);
  z-index: 0;
}

.hero-stars {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.star {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--color-white);
  border-radius: 50%;
  animation: twinkle var(--dur, 3s) ease-in-out infinite var(--delay, 0s);
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.5); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  padding-top: calc(var(--nav-height) + 60px);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: 100vh;
}

.hero-content { max-width: 600px; }

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
}

.hero-eyebrow::before {
  content: '';
  width: 40px; height: 1.5px;
  background: var(--color-blue-light);
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  opacity: 0;
  text-transform: uppercase;
}

.hero-title em {
  font-style: normal;
  color: var(--color-blue-bright);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.8vw, 1.2rem);
  font-weight: 400;
  color: var(--color-blue-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0;
}

.hero-desc {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.85;
  max-width: 480px;
  margin-bottom: 48px;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
}

.btn-primary {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-blue);
  padding: 16px 36px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-primary:hover {
  background: var(--color-blue-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(13, 59, 122, 0.4);
}

.btn-secondary {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-white);
  border: 1.5px solid var(--color-white-muted);
  padding: 16px 36px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-secondary:hover {
  border-color: var(--color-blue-bright);
  color: var(--color-blue-light);
  transform: translateY(-2px);
}

.hero-book {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  position: relative;
}

.hero-book-wrapper {
  position: relative;
  max-width: 360px;
  width: 100%;
}

.hero-book-img {
  width: 100%;
  border-radius: 4px;
  box-shadow: 
    -30px 20px 80px rgba(0, 0, 0, 0.8),
    0 0 60px rgba(13, 59, 122, 0.15),
    0 0 120px rgba(13, 59, 122, 0.08);
  transform: perspective(1000px) rotateY(-8deg);
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-book-wrapper:hover .hero-book-img {
  transform: perspective(1000px) rotateY(-2deg) translateY(-8px);
  box-shadow: 
    -20px 30px 100px rgba(0, 0, 0, 0.7),
    0 0 80px rgba(13, 59, 122, 0.2),
    0 0 160px rgba(13, 59, 122, 0.12);
}

.hero-book-glow {
  position: absolute;
  inset: -30px;
  background: radial-gradient(ellipse at center, rgba(13, 59, 122, 0.2) 0%, transparent 70%);
  pointer-events: none;
  animation: bookGlow 4s ease-in-out infinite;
}

@keyframes bookGlow {
  0%, 100% { opacity: 0.5; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  cursor: pointer;
}

.hero-scroll span {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-white-muted);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-blue), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Sections */
.section {
  padding: 120px 0;
}

.section-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  width: 30px; height: 1.5px;
  background: var(--color-blue-light);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.section-title em {
  font-style: normal;
  color: var(--color-blue-bright);
  font-weight: 300;
}

/* Home - About Preview */
.about-preview {
  background: linear-gradient(180deg, var(--color-navy-deep) 0%, var(--color-navy) 100%);
}

.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.about-preview-img-wrap {
  position: relative;
}

.author-img {
  width: 100%;  
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 2px;
  filter: grayscale(30%) contrast(1.1);
}

.about-preview-img-wrap::before {
  content: '';
  position: absolute;
  top: -20px; left: -20px;
  right: 20px; bottom: 20px;
  border: 1.5px solid var(--color-accent-glow);
  border-radius: 2px;
  z-index: -1;
}

.about-preview-img-wrap::after {
  content: '';
  position: absolute;
  bottom: -40px; right: -40px;
  width: 120px; height: 120px;
  background: var(--color-accent-glow);
  border-radius: 50%;
  filter: blur(40px);
  z-index: -1;
}

.about-preview-text { max-width: 520px; }

.about-preview-text p {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.9;
  margin-bottom: 20px;
}

.quote-block {
  border-left: 3px solid var(--color-blue);
  padding: 24px 32px;
  margin: 40px 0;
  background: var(--color-blue-pale);
  border-radius: 0 2px 2px 0;
}

.quote-block p {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.6;
  margin: 0;
}

/* Home - Book Preview */
.book-preview {
  background: var(--color-navy);
}

.book-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.book-cover-small {
  width: 100%;
  max-width: 320px;
  border-radius: 4px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.themes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.theme-card {
  background: var(--color-navy-dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  padding: 20px;
  transition: all var(--transition);
}

.theme-card:hover {
  border-color: var(--color-blue);
  background: var(--color-charcoal);
  transform: translateY(-2px);
}

.theme-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.theme-name {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 6px;
}

.theme-desc {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--color-white-muted);
  line-height: 1.6;
}

/* Testimonials Section */
.testimonials-section {
  background: var(--color-navy-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.testimonial-card {
  background: var(--color-navy);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  padding: 40px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: var(--color-blue);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: var(--color-blue-bright);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.85;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 20px;
}

.testimonial-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 4px;
}

.testimonial-role {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-blue-light);
}

/* Home - Values */
.values-section {
  background: var(--color-navy-deep);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 60px;
}

.value-card {
  background: var(--color-navy);
  padding: 50px 40px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.value-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-blue), transparent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.value-card:hover::before { transform: scaleX(1); }
.value-card:hover { background: var(--color-navy-dark); }

.value-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 16px;
  color: rgba(13, 59, 122, 0.25);
}

.value-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-blue-light);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.value-text {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.85;
}

/* ============================================
   ABOUT THE BOOK PAGE
   ============================================ */
.page-hero {
  min-height: 55vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 50% 100%, rgba(13, 59, 122, 0.5) 0%, transparent 60%),
    var(--color-navy-deep);
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  padding-top: calc(var(--nav-height) + 80px);
  width: 100%;
}

.page-hero-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 16px;
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  max-width: 700px;
  text-transform: uppercase;
}

.page-hero-title em { 
  font-style: normal; 
  color: var(--color-blue-bright); 
  font-weight: 300;
}

.page-hero-line {
  width: 60px; height: 2px;
  background: var(--color-blue);
  margin-top: 30px;
}

/* Book Detail */
.book-detail {
  background: var(--color-navy);
}

.book-detail-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}

.book-cover-wrap {
  position: sticky;
  top: calc(var(--nav-height) + 40px);
}

.book-cover-main {
  width: 100%;
  border-radius: 6px;
  box-shadow: 
    0 40px 100px rgba(0,0,0,0.7),
    0 0 60px rgba(13, 59, 122, 0.1);
}

.book-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 24px;
}

.book-meta-item {
  background: var(--color-navy-dark);
  padding: 16px 20px;
}

.book-meta-label {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-white-muted);
  margin-bottom: 4px;
}

.book-meta-value {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-blue-light);
  letter-spacing: 0.05em;
}

.book-info-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.book-info-subtitle {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-blue-light);
  margin-bottom: 32px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.book-info p {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.9;
  margin-bottom: 20px;
}

/* Articles Section */
.articles-section {
  background: var(--color-navy-deep);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.article-card {
  background: var(--color-navy);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  padding: 40px;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
  cursor: pointer;
}

.article-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.article-card:hover::after { opacity: 1; }
.article-card:hover { 
  transform: translateY(-4px); 
  border-color: var(--color-blue);
}

.article-num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-blue-light);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.article-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--color-white);
  position: relative;
  z-index: 1;
  text-transform: uppercase;
}

.article-text {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.85;
  position: relative;
  z-index: 1;
}

.article-read-more {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-top: 20px;
  position: relative;
  z-index: 1;
  transition: color var(--transition);
}

.article-card:hover .article-read-more {
  color: var(--color-blue-bright);
}

/* ============================================
   ABOUT THE AUTHOR PAGE
   ============================================ */
.author-full {
  background: var(--color-navy);
  padding: 80px 0;
}

.author-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 100px;
  align-items: start;
}

.author-img-main {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 4px;
  filter: sepia(10%) contrast(1.1);
  position: sticky;
  top: calc(var(--nav-height) + 40px);
}

.author-img-container {
  position: relative;
}

.author-img-container::before {
  content: '';
  position: absolute;
  top: 20px; left: 20px; right: -20px; bottom: -20px;
  border: 1.5px solid rgba(13, 59, 122, 0.3);
  border-radius: 4px;
  z-index: -1;
}

.author-bio h2 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.author-bio h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-blue-light);
  margin-bottom: 40px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.author-bio p {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.9;
  margin-bottom: 20px;
}

/* ============================================
   BLOG / ARTICLES PAGE
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 60px;
}

.blog-card {
  background: var(--color-navy);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.blog-card:hover {
  border-color: var(--color-blue);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.blog-card-header {
  padding: 40px 40px 0;
}

.blog-card-cat {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 16px;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--color-white);
  transition: color var(--transition);
  text-transform: uppercase;
}

.blog-card:hover .blog-card-title { color: var(--color-blue-light); }

.blog-card-excerpt {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.85;
}

.blog-card-footer {
  padding: 24px 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
}

.blog-card-read {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.blog-card-read svg {
  transition: transform var(--transition);
}

.blog-card:hover .blog-card-read svg { transform: translateX(4px); }

.blog-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 40px;
}

.blog-detail h1 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 32px;
  text-transform: uppercase;
}

.blog-detail p {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.9;
  margin-bottom: 24px;
}

.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 40px;
  cursor: pointer;
  transition: gap var(--transition);
}
.blog-back:hover { gap: 12px; }

/* ============================================
   CONNECT PAGE
   ============================================ */
.connect-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-navy-deep);
}

.connect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: start;
  padding-top: calc(var(--nav-height) + 60px);
}

.connect-info h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.connect-info h2 em {
  font-style: normal;
  color: var(--color-blue-bright);
  font-weight: 300;
}

.connect-info p {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.9;
  margin-bottom: 40px;
}

.connect-socials {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-navy);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  transition: all var(--transition);
  cursor: pointer;
}

.social-link:hover {
  border-color: var(--color-blue);
  background: var(--color-navy-dark);
  transform: translateX(8px);
}

.social-icon {
  width: 40px; height: 40px;
  background: var(--color-accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.social-info-name {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 2px;
}

.social-info-sub {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-white-muted);
}

/* Contact Form */
.contact-form {
  background: var(--color-navy);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 50px;
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.form-subtitle {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--color-white-muted);
  margin-bottom: 36px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-navy-dark);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--color-white);
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-blue);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-white-muted);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select option { background: var(--color-navy-dark); }

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--color-blue);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 8px;
}

.form-submit:hover {
  background: var(--color-blue-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(13, 59, 122, 0.4);
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}

.form-success.show { display: block; }

.form-success .checkmark {
  font-size: 3rem;
  margin-bottom: 16px;
  color: var(--color-blue-bright);
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-blue-light);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.form-success p {
  font-size: 0.88rem;
  color: var(--color-white-dim);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-navy-deep);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 40px;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 40px;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-brand-tagline {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--color-white-muted);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--color-white-muted);
  cursor: pointer;
  transition: color var(--transition);
}

.footer-link:hover { color: var(--color-blue-light); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--color-white-muted);
}

.footer-tagline-bottom {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-blue-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============================================
   DIVIDERS & UTILITIES
   ============================================ */
.gold-divider {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--color-blue), transparent);
  margin: 32px 0;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   LOADING ANIMATION
   ============================================ */
.site-loader {
  position: fixed;
  inset: 0;
  background: var(--color-navy-deep);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  transition: opacity 0.6s ease;
}

.loader-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.loader-bar::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--color-blue);
  animation: loadBar 1.5s ease forwards;
}

@keyframes loadBar {
  to { left: 0; }
}

.site-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 60px;
    padding-top: calc(var(--nav-height) + 40px);
    min-height: auto;
    padding-bottom: 80px;
  }

  .hero-book {
    justify-content: flex-start;
  }

  .hero-book-wrapper { max-width: 300px; }

  .about-preview-grid,
  .book-detail-grid,
  .author-grid,
  .connect-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .book-cover-wrap,
  .author-img-main { position: relative; top: auto; }

  .author-img-main { max-width: 400px; }

  .book-detail-grid { grid-template-columns: 1fr; }
  .book-cover-wrap { max-width: 320px; }

  .articles-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }

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

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

  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 68px; }

  .nav-inner { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .section { padding: 80px 0; }
  .section-inner { padding: 0 24px; }

  .hero-inner { padding: 0 24px; padding-top: calc(var(--nav-height) + 40px); padding-bottom: 60px; }

  .hero-title { font-size: 2.8rem; }

  .articles-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }

  .contact-form { padding: 32px 24px; }
  .connect-section .section-inner { padding: 0 24px; }

  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .page-hero-inner { padding: 0 24px; padding-top: calc(var(--nav-height) + 60px); }
  .page-hero-title { font-size: 2.4rem; }

  .blog-detail { padding: 60px 24px; }

  .book-preview-grid { grid-template-columns: 1fr; }
  .themes-grid { grid-template-columns: 1fr; }
  div#articleDetail {
    margin-top: -9rem !important;
}
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.4rem; }
  .hero-buttons { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}

/* ============================================
   AMAZON PURCHASE SECTION
   ============================================ */
.amazon-section {
  background: var(--color-navy);
  padding: 100px 0;
}

.amazon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.amazon-card {
  background: var(--color-navy-dark);
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 40px 30px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.amazon-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-blue), transparent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.amazon-card:hover {
  border-color: var(--color-blue);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.amazon-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.amazon-format {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.amazon-desc {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--color-white-dim);
  line-height: 1.7;
  margin-bottom: 28px;
}

.amazon-btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-blue);
  padding: 14px 32px;
  border-radius: 3px;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.amazon-btn:hover {
  background: var(--color-blue-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13, 59, 122, 0.4);
}

/* Responsive for Amazon section */
@media (max-width: 768px) {
  .amazon-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .amazon-card {
    padding: 32px 24px;
  }
}


/* ============================================
   PRESS SECTION - TEXT LOGO STYLING
   ============================================ */
.press-section {
  background: var(--color-navy-deep);
  padding: 100px 0;
  border-block: 1px solid rgba(255,255,255,0.1);
}

.press-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.press-card {
  background: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 60px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all var(--transition);
  min-height: 220px;
  text-decoration: none !important;
}

.press-card:hover {
  background: var(--color-navy-deep);
  border-color: var(--color-blue-bright);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

/* Base Logo Text Style */
.press-logo-text {
  color: var(--color-white);
  margin-bottom: 24px;
  line-height: 1;
  text-align: center;
}

/* 1. Forbes Look (Bold & Strong) */
.press-logo-text.forbes {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.press-logo-text.forbes small {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  font-weight: 400;
  color: var(--color-blue-light);
  margin-top: 5px;
}

/* 2. DNBC Look (Modern & Clean) */
.press-logo-text.dnbc {
  font-family: var(--font-body);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.press-logo-text.dnbc span {
  color: var(--color-blue-bright);
  font-weight: 300;
}

/* 3. Times Look (Classic & Elegant) */
.press-logo-text.times {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  font-style: italic;
}
.press-logo-text.times small {
  display: block;
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  font-weight: 500;
  color: var(--color-white-muted);
  margin-top: 8px;
  font-style: normal;
}

/* Link Indicator */
.press-link-indicator {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-blue-light);
}

.press-link-indicator span {
  display: inline-block;
  transition: transform 0.3s ease;
}

.press-card:hover .press-link-indicator span {
  transform: translateX(5px);
}

/* Responsive Support */
@media (max-width: 992px) {
  .press-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .press-grid { grid-template-columns: 1fr; }
  .press-logo-text.forbes { font-size: 1.8rem; }
  .press-logo-text.dnbc { font-size: 1.5rem; }
  .press-logo-text.times { font-size: 1.5rem; }
}

.checkout-modal {
    display: none; position: fixed; z-index: 2000; inset: 0;
    background: rgba(5, 10, 20, 0.95); backdrop-filter: blur(10px);
    padding: 40px; overflow-y: auto;
}
.checkout-content {
    max-width: 900px; margin: auto; background: var(--color-navy);
    padding: 40px; border: 1px solid var(--color-blue); border-radius: 8px;
}
.checkout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 30px; }
.order-summary { background: var(--color-navy-dark); padding: 25px; border-radius: 4px; }
.summary-line { display: flex; justify-content: space-between; margin-bottom: 10px; font-weight: 300; }
.summary-line.total { border-top: 1px solid var(--color-blue); padding-top: 15px; margin-top: 15px; font-weight: 700; color: var(--color-blue-light); }
.close-modal { float: right; font-size: 30px; cursor: pointer; color: var(--color-white-muted); }

@media (max-width: 768px) { .checkout-grid { grid-template-columns: 1fr; } }

/* Shipping Radio Buttons */
.shipping-options { display: flex; flex-direction: column; gap: 10px; }
.ship-opt {
    display: flex; align-items: center; gap: 15px;
    background: var(--color-navy-dark); padding: 15px;
    border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; cursor: pointer;
}
.ship-opt input { accent-color: var(--color-blue-bright); width: 18px; height: 18px; }
.opt-text { display: flex; justify-content: space-between; width: 100%; font-size: 0.85rem; }
.opt-text .price { font-weight: 700; color: var(--color-blue-light); }

/* Summary Box */
.summary-box { background: rgba(255,255,255,0.03); padding: 20px; border-radius: 4px; border: 1px dashed var(--color-blue); }

/* Success Overlay */
.success-overlay {
    display: none; position: fixed; inset: 0; background: var(--color-navy-deep);
    z-index: 3000; align-items: center; justify-content: center; text-align: center;
}
.success-card { padding: 40px; max-width: 500px; }
.success-card .checkmark { 
    font-size: 4rem; color: #28a745; margin-bottom: 20px; 
    border: 3px solid #28a745; width: 100px; height: 100px; 
    line-height: 100px; border-radius: 50%; margin: 0 auto 20px;
}