/* StartupPRPlaybook - Custom Styles */
/* Using System Fonts for Performance */

:root {
  /* Typography - System Fonts */
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Primary Colors - Softer, more professional palette */
  --color-primary: #E63946;
  --color-primary-light: #FF6B6B;
  --color-primary-dark: #C1121F;
  --color-secondary: #1D3557;
  --color-secondary-light: #457B9D;
  --color-accent: #F4A261;
  --color-accent-dark: #E76F51;

  /* Neutrals */
  --color-text: #1A1A2E;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;
  --color-bg: #FFF8F6;
  --color-bg-alt: #F8FAFC;
  --color-white: #FFFFFF;

  /* Semantic */
  --color-success: #2A9D8F;
  --color-warning: #E9C46A;
  --color-error: #E63946;

  /* Gradients - Softer hero gradient */
  --gradient-primary: linear-gradient(135deg, #1D3557 0%, #457B9D 100%);
  --gradient-secondary: linear-gradient(135deg, #1D3557 0%, #264653 100%);
  --gradient-spotlight: linear-gradient(180deg, #F4A261 0%, #E76F51 100%);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.6;
  background-color: var(--color-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: 2.5rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 700; }
h3 { font-size: 1.5rem; font-weight: 700; }
h4 { font-size: 1.25rem; font-weight: 600; }

@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }
  h3 { font-size: 1.75rem; }
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

/* Header / Navigation */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
}

.logo img {
  height: 40px;
  width: 40px;
}

.logo:hover {
  color: var(--color-text);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 600;
  transition: color 0.2s ease;
}

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

/* Mobile Navigation */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-md);
  }

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

/* Hero Section */
.hero {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--space-4xl) var(--space-lg);
  text-align: center;
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.95;
  margin-bottom: var(--space-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  border-radius: 6px;
  font-weight: 700;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  color: var(--color-primary-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-outline {
  background: var(--color-white);
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}

.btn-outline:hover {
  background: var(--color-secondary);
  color: var(--color-white);
}

/* Sections */
.section {
  padding: var(--space-4xl) var(--space-lg);
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-red {
  background: var(--color-bg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Guide Cards */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-xl);
}

@media (min-width: 640px) {
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .guides-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.guide-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-xl);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  position: relative;
  display: flex;
  flex-direction: column;
}

.guide-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 0 0 8px 8px;
}

.guide-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 10px 40px rgba(220, 38, 38, 0.12);
  transform: translateY(-4px);
}

.guide-card:hover::after {
  width: 100%;
}

.guide-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.guide-icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.guide-icon svg {
  width: 24px;
  height: 24px;
}

.category-tag {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.guide-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.guide-card h3 a {
  color: var(--color-text);
}

.guide-card h3 a:hover {
  color: var(--color-primary);
}

.guide-card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.template-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-accent);
  color: var(--color-text);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Problem/Solution Section */
.problem-solution {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .problem-solution {
    grid-template-columns: 1fr 1fr;
  }
}

.problem-box, .solution-box {
  padding: var(--space-2xl);
  border-radius: 12px;
}

.problem-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

.solution-box {
  background: var(--gradient-secondary);
  color: var(--color-white);
}

.solution-box h3 {
  color: var(--color-white);
}

.problem-box h3, .solution-box h3 {
  margin-bottom: var(--space-lg);
}

.problem-box ul, .solution-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.problem-box li, .solution-box li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-xl);
  position: relative;
}

.problem-box li::before {
  content: "×";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1.25rem;
}

.solution-box li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* Social Proof */
.social-proof {
  text-align: center;
}

.publication-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
  opacity: 0.6;
}

.publication-logos span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

/* Quote Box */
.quote-box {
  background: var(--color-bg);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  font-style: italic;
}

.quote-attribution {
  font-style: normal;
  font-weight: 700;
  margin-top: var(--space-md);
  color: var(--color-text-muted);
}

/* Template Box */
.template-box {
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: 8px;
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  margin: var(--space-xl) 0;
}

.template-box::before {
  content: 'TEMPLATE';
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--color-accent);
  color: var(--color-text);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.template-box pre {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-lg);
  border-radius: 6px;
  overflow-x: auto;
  margin-top: var(--space-md);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
}

.template-box code {
  color: var(--color-white);
}

.template-box h4 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.template-box ul,
.template-box ol {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.template-box li {
  color: var(--color-white);
}

.template-box p {
  color: var(--color-white);
}

.template-box strong {
  color: var(--color-white);
}

/* Key Takeaways */
.key-takeaways {
  background: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.key-takeaways h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.key-takeaways ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.key-takeaways li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-xl);
  position: relative;
}

.key-takeaways li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Table of Contents */
.toc {
  background: var(--color-bg-alt);
  border-radius: 8px;
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.toc h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
}

.toc ol {
  padding-left: var(--space-lg);
  margin: 0;
}

.toc li {
  padding: var(--space-xs) 0;
}

.toc a {
  color: var(--color-text-muted);
}

.toc a:hover {
  color: var(--color-primary);
}

/* Breadcrumb */
.breadcrumb {
  background: var(--color-bg-alt);
  padding: var(--space-md) var(--space-lg);
  font-size: 0.875rem;
}

.breadcrumb-container {
  max-width: 1200px;
  margin: 0 auto;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb span {
  color: var(--color-text-muted);
  margin: 0 var(--space-sm);
}

/* Guide Content */
.guide-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.guide-header {
  margin-bottom: var(--space-3xl);
}

.guide-header .category-tag {
  margin-bottom: var(--space-md);
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: var(--space-lg);
}

.reading-time {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.guide-content h2 {
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.guide-content h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.guide-content h3 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.guide-content ul, .guide-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.guide-content li {
  margin-bottom: var(--space-sm);
}

/* Related Guides */
.related-guides {
  margin-top: var(--space-4xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.related-guides h2 {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Footer */
.site-footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: var(--space-4xl) var(--space-lg) var(--space-2xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.footer-links h4 {
  color: var(--color-white);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-lg);
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* Utilities */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }

/* Lead paragraph */
.lead {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Checklist styling */
.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.checklist li::before {
  content: "□";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* Step numbers */
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.875rem;
  margin-right: var(--space-sm);
}

/* Highlight box */
.highlight-box {
  background: linear-gradient(135deg, var(--color-bg) 0%, #FEE2E2 100%);
  border-radius: 12px;
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
}

/* Warning box */
.warning-box {
  background: #FEF3C7;
  border-left: 4px solid var(--color-warning);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  border-radius: 0 8px 8px 0;
}

/* Success box */
.success-box {
  background: #D1FAE5;
  border-left: 4px solid var(--color-success);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  border-radius: 0 8px 8px 0;
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .breadcrumb {
    display: none;
  }

  .guide-content {
    max-width: 100%;
    padding: 0;
  }
}