/* Factictionary - Modern Minimalism Premium Design */
/* Design System: Inter font, 90% neutral, 10% accent, generous spacing */

/* ===== DESIGN TOKENS ===== */

/* Color System */
:root {
  /* Primary Brand - Modern Blue */
  --color-primary-50: #E6F0FF;
  --color-primary-100: #CCE0FF;
  --color-primary-500: #0066FF;
  --color-primary-600: #0052CC;
  --color-primary-900: #003D99;

  /* Neutrals (Cool Gray) */
  --color-neutral-50: #FAFAFA;
  --color-neutral-100: #F5F5F5;
  --color-neutral-200: #E5E5E5;
  --color-neutral-500: #A3A3A3;
  --color-neutral-700: #404040;
  --color-neutral-900: #171717;

  /* Semantic Colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #0066FF;

  /* Background System */
  --color-page-bg: var(--color-neutral-50);
  --color-surface: #FFFFFF;
  --color-surface-alt: var(--color-neutral-100);

  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Font Sizes */
  --font-size-hero: clamp(40px, 5vw, 72px);
  --font-size-title: clamp(32px, 4vw, 56px);
  --font-size-subtitle: clamp(24px, 3vw, 40px);
  --font-size-body-large: clamp(18px, 2vw, 24px);
  --font-size-body: clamp(16px, 1.5vw, 18px);
  --font-size-small: 14px;
  --font-size-caption: 12px;

  /* Font Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;

  /* Spacing (8-Point Grid) */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;
  --spacing-4xl: 128px;

  /* Border Radius */
  --radius-button: 12px;
  --radius-card: 16px;
  --radius-input: 12px;
  --radius-modal: 24px;

  /* Box Shadows */
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-modal: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);

  /* Animation */
  --duration-fast: 200ms;
  --duration-standard: 250ms;
  --duration-slow: 300ms;
  --easing-standard: ease-out;
  --easing-smooth: ease-in-out;

  /* Container Max-Widths */
  --container-sm: 100%;
  --container-md: 100%;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;
}

/* ===== RESET & BASE ===== */

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

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

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-neutral-900);
  background-color: var(--color-page-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */

h1 {
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  color: var(--color-neutral-900);
}

h2 {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  letter-spacing: -0.01em;
  color: var(--color-neutral-900);
}

h3 {
  font-size: var(--font-size-subtitle);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  color: var(--color-neutral-900);
}

h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  color: var(--color-neutral-900);
}

p {
  font-size: var(--font-size-body);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
}

.lead-text {
  font-size: var(--font-size-body-large);
  line-height: var(--line-height-relaxed);
  color: var(--color-neutral-700);
}

.small-text {
  font-size: var(--font-size-small);
  line-height: var(--line-height-normal);
  color: var(--color-neutral-700);
}

.caption-text {
  font-size: var(--font-size-caption);
  line-height: var(--line-height-normal);
  letter-spacing: 0.01em;
  color: var(--color-neutral-500);
}

/* ===== LAYOUT ===== */

.container {
  width: 100%;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

@media (min-width: 1536px) {
  .container {
    max-width: var(--container-2xl);
  }
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

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

.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-neutral-200);
  z-index: 1000;
  transition: all var(--duration-standard) var(--easing-standard);
}

.navbar.scrolled {
  box-shadow: var(--shadow-card);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.logo {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-500);
  text-decoration: none;
  transition: all var(--duration-fast) var(--easing-standard);
}

.logo:hover {
  color: var(--color-primary-600);
  transform: translateY(-1px);
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-700);
  text-decoration: none;
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--duration-fast) var(--easing-standard);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-600);
  border-bottom-color: var(--color-primary-500);
}

.nav-cta {
  display: none;
}

@media (min-width: 768px) {
  .nav-cta {
    display: block;
  }
}

.menu-toggle {
  display: block;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-neutral-700);
  cursor: pointer;
  padding: var(--spacing-sm);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

/* ===== BUTTONS ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: all var(--duration-fast) var(--easing-standard);
  white-space: nowrap;
  min-height: 48px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--color-primary-500);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-600);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--color-neutral-700);
  border: 2px solid var(--color-neutral-200);
}

.btn-secondary:hover {
  background-color: var(--color-neutral-50);
  border-color: var(--color-neutral-300);
  color: var(--color-neutral-900);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary-600);
  padding: var(--spacing-xs) 0;
}

.btn-ghost:hover {
  color: var(--color-primary-500);
  text-decoration: underline;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 18px;
  min-height: 56px;
}

/* ===== CARDS ===== */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--duration-standard) var(--easing-standard);
  border: 1px solid var(--color-neutral-100);
}

.card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-card-hover);
}

.card-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.card-header {
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-subtitle);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  margin-bottom: var(--spacing-sm);
}

.card-excerpt {
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  font-size: var(--font-size-small);
  color: var(--color-neutral-500);
  margin-bottom: var(--spacing-md);
}

/* ===== FORM ELEMENTS ===== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-700);
  margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm);
  font-size: var(--font-size-body);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-input);
  background: var(--color-surface);
  transition: all var(--duration-fast) var(--easing-standard);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

/* ===== GRID SYSTEM ===== */

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.hero {
  padding: var(--spacing-4xl) 0;
  text-align: center;
}

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

.hero-title {
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

@media (max-width: 768px) {
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
}

/* ===== CATEGORY BADGES ===== */

.category-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
  border-radius: 6px;
  text-decoration: none;
  transition: all var(--duration-fast) var(--easing-standard);
}

.category-badge:hover {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

/* ===== BREADCRUMB ===== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-small);
  color: var(--color-neutral-500);
  margin-bottom: var(--spacing-lg);
}

.breadcrumb a {
  color: var(--color-neutral-500);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-primary-600);
}

.breadcrumb-separator {
  color: var(--color-neutral-300);
}

/* ===== PAGINATION ===== */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-2xl);
}

.pagination a,
.pagination span {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-button);
  text-decoration: none;
  color: var(--color-neutral-700);
  transition: all var(--duration-fast) var(--easing-standard);
}

.pagination a:hover {
  border-color: var(--color-primary-500);
  color: var(--color-primary-600);
}

.pagination .current {
  background-color: var(--color-primary-500);
  color: white;
  border-color: var(--color-primary-500);
}

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

.footer {
  background: var(--color-neutral-900);
  color: var(--color-neutral-100);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: var(--color-neutral-300);
  text-decoration: none;
  transition: color var(--duration-fast) var(--easing-standard);
}

.footer-section a:hover {
  color: var(--color-primary-400);
}

.footer-bottom {
  border-top: 1px solid var(--color-neutral-700);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-neutral-400);
}

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

.responsive-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
}

/* ===== UTILITY CLASSES ===== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* ===== ADSENSE CONTAINER ===== */

.adsense-container {
  margin: var(--spacing-lg) 0;
  text-align: center;
  background: var(--color-neutral-100);
  border: 1px dashed var(--color-neutral-300);
  padding: var(--spacing-lg);
  border-radius: var(--radius-card);
}

.adsense-label {
  font-size: var(--font-size-small);
  color: var(--color-neutral-500);
  margin-bottom: var(--spacing-sm);
}

/* ===== MOBILE OPTIMIZATIONS ===== */

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero {
    padding: var(--spacing-3xl) 0;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ===== ACCESSIBILITY ===== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Focus styles for keyboard navigation */
button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* Skip link for screen readers */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary-500);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

/* ===== TOOLS PAGE STYLES ===== */

/* Section Spacing */
.section-lg {
  padding: var(--spacing-4xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

/* Text Center */
.text-center {
  text-align: center;
}

.section-title {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: var(--font-size-body-large);
  color: var(--color-neutral-700);
  max-width: 600px;
  margin: 0 auto;
}

/* Tool Category Sections */
.tool-category-section {
  margin-bottom: var(--spacing-4xl);
}

.category-title {
  font-size: var(--font-size-subtitle);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  position: relative;
}

.category-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
  margin: var(--spacing-md) auto 0;
  border-radius: 2px;
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

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

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

/* Tool Cards */
.tool-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  transition: all var(--duration-standard) var(--easing-standard);
  border: 1px solid var(--color-neutral-200);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary-100);
}

.tool-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
  gap: var(--spacing-sm);
}

.tool-card-title {
  font-size: var(--font-size-subtitle);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin: 0;
  line-height: var(--line-height-snug);
  flex: 1;
}

.tool-category {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-button);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  flex-shrink: 0;
}

.tool-card-description {
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-body);
}

.tool-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.feature-tag {
  background: var(--color-neutral-100);
  color: var(--color-neutral-700);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: calc(var(--radius-button) / 2);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
}

.feature-tag:nth-child(2n) {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}

.feature-tag:nth-child(3n) {
  background: var(--color-success);
  color: white;
}

/* Tool Card Buttons */
.btn-tool-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: white;
  text-decoration: none;
  border-radius: var(--radius-button);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-body);
  transition: all var(--duration-standard) var(--easing-standard);
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 102, 255, 0.2);
}

.btn-tool-card:hover {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-900));
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 102, 255, 0.3);
}

.btn-tool-card:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 102, 255, 0.2);
}

/* Responsive Adjustments */
@media (max-width: 767px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .tool-card {
    padding: var(--spacing-lg);
  }
  
  .tool-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .tool-category {
    align-self: flex-start;
  }
}