/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */

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

:root {
  /* Bold Editorial Color Palette */
  --color-primary: #E63946;
  --color-primary-dark: #C4303A;
  --color-secondary: #1D3557;
  --color-accent: #F4A261;
  --color-dark: #0A0E27;
  --color-light: #F8F9FA;
  --color-white: #FFFFFF;
  --color-gray-100: #F1F3F5;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-700: #495057;
  --color-gray-900: #212529;

  /* Typography */
  --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
}

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

body {
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.hero {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-md);
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(228, 57, 70, 0.05) 0px,
    transparent 2px,
    transparent 80px,
    rgba(228, 57, 70, 0.05) 82px
  );
  pointer-events: none;
}

.hero-container {
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 8vw, 5rem);
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 3vw, 2rem);
  line-height: 1.3;
  color: var(--color-gray-200);
  margin-bottom: var(--spacing-md);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  opacity: 0.9;
}

.meta-item {
  font-weight: 500;
}

.meta-divider {
  color: var(--color-accent);
}

/* ============================================
   ARTICLE MAIN CONTENT
   ============================================ */

.article-main {
  background-color: var(--color-white);
}

.article-container {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.article-intro {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
  border-left: 6px solid var(--color-primary);
}

.intro-text {
  font-size: 1.375rem;
  line-height: 1.6;
  font-weight: 500;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.article-intro p:last-child {
  margin-bottom: 0;
}

/* ============================================
   ARTICLE SECTIONS
   ============================================ */

.article-section {
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.2;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 5px;
  background-color: var(--color-primary);
}

.article-section p {
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
  line-height: 1.7;
}

.article-section p:last-child {
  margin-bottom: 0;
}

/* ============================================
   FEATURE BOXES
   ============================================ */

.feature-box {
  background-color: var(--color-white);
  border: 3px solid var(--color-secondary);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.feature-box::before {
  content: '';
  position: absolute;
  top: -8px;
  left: var(--spacing-md);
  width: 60px;
  height: 6px;
  background-color: var(--color-primary);
}

.feature-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.feature-box p {
  margin-bottom: 0;
  font-size: 1.0625rem;
}

/* ============================================
   PROMPT CATEGORIES
   ============================================ */

.prompt-category {
  background: linear-gradient(to right, var(--color-gray-100) 0%, transparent 100%);
  padding: var(--spacing-md);
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  border-left: 8px solid var(--color-accent);
}

.category-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.prompt-category p {
  margin-bottom: 0;
}

/* ============================================
   HIGHLIGHT TEXT
   ============================================ */

.highlight-text {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md);
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 0;
  margin: var(--spacing-md) 0;
}

/* ============================================
   DARK SECTION
   ============================================ */

.dark-section {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-lg);
  margin-left: calc(-1 * var(--spacing-md));
  margin-right: calc(-1 * var(--spacing-md));
  margin-bottom: var(--spacing-xl);
}

.dark-section .section-title {
  color: var(--color-white);
}

.dark-section .section-title::after {
  background-color: var(--color-accent);
}

.dark-section p {
  color: var(--color-gray-200);
}

/* ============================================
   PERFORMANCE GRID
   ============================================ */

.perf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.perf-item {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border: 2px solid var(--color-accent);
}

.perf-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.perf-item p {
  margin-bottom: 0;
  font-size: 1rem;
  line-height: 1.6;
}

/* ============================================
   PULL QUOTES
   ============================================ */

.pull-quote {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  position: relative;
  border: none;
  font-style: normal;
}

.pull-quote::before {
  content: '\201C';
  font-size: 8rem;
  font-family: Georgia, serif;
  position: absolute;
  top: -20px;
  left: 20px;
  color: rgba(255, 255, 255, 0.2);
  line-height: 1;
}

.quote-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.quote-author {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-style: normal;
}

.quote-author::before {
  content: '— ';
}

/* ============================================
   INLINE QUOTES
   ============================================ */

.inline-quote {
  border-left: 6px solid var(--color-accent);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-style: italic;
  font-size: 1.125rem;
  color: var(--color-gray-700);
}

.inline-quote p {
  margin-bottom: var(--spacing-sm);
}

.inline-quote cite {
  font-style: normal;
  font-weight: 700;
  color: var(--color-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.inline-quote cite::before {
  content: '— ';
}

/* ============================================
   APPROACH STEPS
   ============================================ */

.approach-steps {
  margin-top: var(--spacing-md);
}

.step {
  background-color: var(--color-white);
  border: 3px solid var(--color-gray-300);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  position: relative;
  transition: all 0.3s ease;
}

.step:hover {
  border-color: var(--color-primary);
  transform: translateX(8px);
}

.step-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.step p {
  margin-bottom: 0;
  font-size: 1.0625rem;
}

/* ============================================
   WINS LIST
   ============================================ */

.wins-list {
  list-style: none;
  margin-top: var(--spacing-md);
}

.wins-list li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
  line-height: 1.6;
}

.wins-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  background-color: var(--color-primary);
  transform: rotate(45deg);
}

.wins-list li strong {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--color-secondary);
}

/* ============================================
   PITFALLS GRID
   ============================================ */

.pitfalls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.pitfall {
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
  border-top: 6px solid var(--color-primary);
  padding: var(--spacing-md);
}

.pitfall h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pitfall p {
  margin-bottom: 0;
  font-size: 1rem;
}

/* ============================================
   CONCLUSION
   ============================================ */

.conclusion {
  background: linear-gradient(to bottom, transparent 0%, var(--color-gray-100) 100%);
  padding: var(--spacing-lg);
  margin-left: calc(-1 * var(--spacing-md));
  margin-right: calc(-1 * var(--spacing-md));
}

.conclusion-text {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-secondary);
  line-height: 1.6;
}

.final-cta-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--color-primary);
  text-align: center;
  margin-top: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    45deg,
    rgba(228, 57, 70, 0.03) 0px,
    transparent 2px,
    transparent 40px,
    rgba(228, 57, 70, 0.03) 42px
  );
  pointer-events: none;
}

.cta-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-dark);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.5rem 1rem;
  margin-bottom: var(--spacing-md);
}

.cta-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.cta-description {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-gray-200);
  margin-bottom: var(--spacing-md);
}

.cta-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.cta-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-300);
}

.cta-button {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1.25rem 2.5rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary-dark);
  transition: left 0.3s ease;
  z-index: -1;
}

.cta-button:hover::before {
  left: 0;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(228, 57, 70, 0.4);
}

.cta-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.cta-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  border: 8px solid var(--color-accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.site-footer {
  background-color: var(--color-dark);
  color: var(--color-gray-300);
  padding: var(--spacing-md);
  text-align: center;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-container p {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.footer-tagline {
  font-weight: 600;
  color: var(--color-accent);
}

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

@media (min-width: 768px) {
  .hero {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .article-container {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .dark-section {
    margin-left: calc(-1 * var(--spacing-lg));
    margin-right: calc(-1 * var(--spacing-lg));
  }

  .conclusion {
    margin-left: calc(-1 * var(--spacing-lg));
    margin-right: calc(-1 * var(--spacing-lg));
  }

  .cta-container {
    grid-template-columns: 2fr 1fr;
  }

  .cta-image-wrapper {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .hero-meta {
    font-size: 1rem;
  }

  .perf-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pitfalls-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .hero {
    background: var(--color-white);
    color: var(--color-dark);
    min-height: auto;
    padding: var(--spacing-md);
  }

  .hero-title {
    color: var(--color-dark);
  }

  .dark-section {
    background-color: var(--color-white);
    color: var(--color-dark);
    border: 2px solid var(--color-dark);
  }

  .dark-section .section-title {
    color: var(--color-dark);
  }

  .cta-section {
    background: var(--color-white);
    color: var(--color-dark);
    border-top: 3px solid var(--color-dark);
  }

  .cta-button {
    border: 2px solid var(--color-dark);
  }

  .cta-image {
    max-width: 200px;
  }

  .site-footer {
    background: var(--color-white);
    color: var(--color-dark);
    border-top: 1px solid var(--color-dark);
  }
}