/* ========================================
   BREVONO - Digital Books for Solo Builders
   Stylesheet
   ======================================== */

/* ----- CSS Variables (Easy to Edit) ----- */
:root {
  /* Colors */
  --bg-primary: #0D0D0D;
  --bg-secondary: #141414;
  --bg-card: #1A1A1A;
  --bg-card-hover: #222222;
  
  --orange-primary: #FF6B35;
  --orange-secondary: #FF9F1C;
  --orange-glow: rgba(255, 107, 53, 0.15);
  
  --text-primary: #FFFFFF;
  --text-secondary: #B0B0B0;
  --text-muted: #707070;
  
  --border-color: #2A2A2A;
  --border-light: #333333;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --section-padding: 120px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ----- Container ----- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--orange-primary);
  color: var(--text-primary);
}

.btn-primary:hover {
  background: var(--orange-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--orange-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--orange-primary);
  color: var(--orange-primary);
}

.btn-small {
  padding: 12px 24px;
  font-size: 0.875rem;
}

/* ----- Navigation ----- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  background: rgba(13, 13, 13, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.nav-logo span {
  color: var(--orange-primary);
}

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

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  padding: 10px 20px;
  background: var(--orange-primary);
  border-radius: 6px;
  font-weight: 600;
  color: var(--text-primary) !important;
}

.nav-cta:hover {
  background: var(--orange-secondary);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

/* ----- Hero Section ----- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--orange-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--orange-primary);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero h1 span {
  color: var(--orange-primary);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-trust svg {
  width: 16px;
  height: 16px;
  color: var(--orange-primary);
}

.hero-books {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.book-cover {
  width: 220px;
  height: 320px;
  background: var(--bg-card);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal);
}

.book-cover:hover {
  transform: translateY(-8px);
}

.book-cover-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.book-cover-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.book-cover-brand {
  margin-top: auto;
  font-size: 0.7rem;
  color: var(--orange-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.book-cover.accent {
  border-color: var(--orange-primary);
}

/* ----- Section Styles ----- */
.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--orange-primary);
  margin-bottom: 16px;
}

/* ----- Products Section ----- */
.products {
  background: var(--bg-secondary);
}

.products-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

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

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px 32px;
  transition: all var(--transition-normal);
}

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

.product-card.featured {
  border-color: var(--orange-primary);
  position: relative;
}

.product-card.featured::before {
  content: 'BUNDLE';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--orange-primary);
  color: var(--text-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 100px;
}

.product-cover {
  width: 140px;
  height: 200px;
  background: var(--bg-secondary);
  border-radius: 6px;
  margin: 0 auto 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
  border: 1px solid var(--border-color);
}

.product-cover-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.product-cover-sub {
  font-size: 0.6rem;
  color: var(--text-muted);
}

.product-card h3 {
  margin-bottom: 12px;
}

.product-card .subtitle {
  font-size: 0.9rem;
  color: var(--orange-primary);
  margin-bottom: 16px;
}

.product-card p {
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.product-features {
  margin-bottom: 32px;
}

.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.product-features li::before {
  content: '→';
  color: var(--orange-primary);
  font-weight: 600;
}

.product-price {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.product-price .currency {
  font-size: 1rem;
  color: var(--text-muted);
  vertical-align: super;
}

.product-price .note {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 4px;
}

.product-card .btn {
  width: 100%;
}

/* ----- Who It's For Section ----- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.audience-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-normal);
}

.audience-item:hover {
  border-color: var(--orange-primary);
}

.audience-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: var(--orange-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.audience-icon svg {
  width: 24px;
  height: 24px;
  color: var(--orange-primary);
}

.audience-item h4 {
  font-size: 1rem;
  font-weight: 600;
}

/* ----- What You'll Get Section ----- */
.get-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.get-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.get-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--orange-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.get-icon svg {
  width: 24px;
  height: 24px;
  color: var(--orange-primary);
}

.get-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.get-item p {
  font-size: 0.9rem;
}

/* ----- Preview Section ----- */
.preview {
  background: var(--bg-secondary);
}

.preview-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.preview-cover {
  width: 280px;
  height: 400px;
  background: var(--bg-card);
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
  border: 1px solid var(--border-color);
}

.preview-cover-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.preview-cover-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.preview-pages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.preview-page {
  aspect-ratio: 3/4;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.preview-info h3 {
  margin-bottom: 16px;
}

.preview-info p {
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.preview-list {
  margin-bottom: 32px;
}

.preview-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-secondary);
}

.preview-list li::before {
  content: '✓';
  color: var(--orange-primary);
  font-weight: 700;
}

/* ----- About Section ----- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  margin-bottom: 20px;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

/* ----- FAQ Section ----- */
.faq {
  background: var(--bg-secondary);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--orange-primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-left: 16px;
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding-bottom: 24px;
  font-size: 0.95rem;
}

/* ----- Final CTA Section ----- */
.cta-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  text-align: center;
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section h2 span {
  color: var(--orange-primary);
}

.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ----- Footer ----- */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.footer-brand h3 span {
  color: var(--orange-primary);
}

.footer-brand p {
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.footer-contact a {
  color: var(--orange-primary);
}

.footer-links h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--orange-primary);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ----- Legal Pages ----- */
.legal-page {
  padding: 160px 0 80px;
  min-height: 100vh;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.legal-content .last-updated {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
  color: var(--text-primary);
}

.legal-content p {
  margin-bottom: 16px;
}

.legal-content ul {
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 8px;
  color: var(--text-secondary);
  list-style: disc;
}

.legal-content a {
  color: var(--orange-primary);
}

.legal-content a:hover {
  text-decoration: underline;
}

/* ----- Contact Page ----- */
.contact-page {
  padding: 160px 0 80px;
  min-height: 100vh;
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-content h1 {
  margin-bottom: 16px;
}

.contact-content > p {
  font-size: 1.1rem;
  margin-bottom: 48px;
}

.contact-method {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 32px;
}

.contact-method h3 {
  margin-bottom: 8px;
}

.contact-method p {
  margin-bottom: 20px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1.1rem;
  color: var(--orange-primary);
  font-weight: 600;
  transition: all var(--transition-normal);
}

.contact-email:hover {
  border-color: var(--orange-primary);
  background: var(--orange-glow);
}

.contact-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ----- Responsive Design ----- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-trust {
    justify-content: center;
  }
  
  .hero-books {
    margin-top: 40px;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .preview-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .preview-cover {
    margin: 0 auto;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 24px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-mobile-toggle {
    display: flex;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-books {
    flex-direction: column;
  }
  
  .book-cover {
    width: 180px;
    height: 260px;
  }
  
  .audience-grid {
    grid-template-columns: 1fr;
  }
  
  .get-grid {
    grid-template-columns: 1fr;
  }
  
  .preview-pages {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }
  
  .product-card {
    padding: 32px 24px;
  }
  
  .preview-pages {
    grid-template-columns: 1fr 1fr;
  }
}