/* =============================================
   CSS VARIABLES & RESETS
   ============================================= */
:root {
  --primary-color: #f5d442;
  --background-color: #000000;
  --error-color: #ff3333;
  --text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  
  /* Typography scale */
  --font-size-small: 0.9rem;
  --font-size-base: 1rem;
  --font-size-medium: 1.2rem;
  --font-size-large: 1.5rem;
  --font-size-xlarge: clamp(2rem, 4vw, 3rem);
  --font-size-xxlarge: clamp(2.5rem, 5vw, 4rem);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --spacing-section: 6rem;
  
  /* Common values */
  --transition-base: all 0.3s ease;
  --border-subtle: 1px solid color-mix(in srgb, var(--primary-color) 10%, transparent);
  --border-medium: 1px solid color-mix(in srgb, var(--primary-color) 15%, transparent);
  --border-strong: 1px solid color-mix(in srgb, var(--primary-color) 20%, transparent);
  --max-width-container: 1200px;
  --max-width-text: 800px;
  --border-radius: 8px;
}

/* =============================================
   BASE STYLES
   ============================================= */
html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  background: var(--background-color);
  color: var(--primary-color);
  font-family: monospace;
}

/* Base Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Domine', serif;
  color: var(--primary-color);
  text-shadow: var(--text-shadow);
  line-height: 1.2;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 6rem, 10rem);
  margin: 0.5em 0;
}

h2 {
  font-size: var(--font-size-xlarge);
  margin-bottom: var(--spacing-sm);
}

h3 {
  font-size: var(--font-size-large);
  margin-bottom: var(--spacing-sm);
}

p {
  font-family: monospace;
  line-height: 1.6;
  color: color-mix(in srgb, var(--primary-color) 80%, transparent);
  margin: 0;
}

img {
  max-width: 100%;
}

/* =============================================
   UTILITY CLASSES
   ============================================= */
.text-center {
  text-align: center;
}

.text-muted {
  color: color-mix(in srgb, var(--primary-color) 70%, transparent);
}

.text-subtle {
  color: color-mix(in srgb, var(--primary-color) 60%, transparent);
}

.text-italic {
  font-style: italic;
}

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

.container-text {
  max-width: var(--max-width-text);
  margin-left: auto;
  margin-right: auto;
}

.mb-xs { margin-bottom: var(--spacing-xs); }
.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); }
.mb-xxl { margin-bottom: var(--spacing-xxl); }

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

/* Width utilities */
.w-xs { max-width: 200px; }
.w-sm { max-width: 600px; }
.w-fixed-icon { width: 100px; }
.h-fixed-icon { height: 100px; }

.center {
  margin: 0 auto;
}

/* =============================================
   COMPONENTS
   ============================================= */

/* Buttons */
.btn {
  font-family: 'Domine', serif;
  background-color: var(--background-color);
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  padding: 0.75em 2em;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  border-radius: 999px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  text-shadow: none;
}

.btn:hover,
.btn:focus {
  background-color: var(--primary-color);
  color: var(--background-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary-color) 20%, transparent);
}

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

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 30%, transparent);
}

.btn-small {
  font-size: var(--font-size-small);
  padding: 0.6em 1.5em;
}

.btn-large {
  font-size: clamp(1rem, 1.1em, 2rem);
}

.btn-xlarge {
  font-size: var(--font-size-large);
  padding: 1em 3em;
}

/* Cards */
.card {
  background: color-mix(in srgb, var(--primary-color) 3%, transparent);
  border: var(--border-medium);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: var(--transition-base);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px color-mix(in srgb, var(--primary-color) 10%, transparent);
  border-color: color-mix(in srgb, var(--primary-color) 30%, transparent);
}

.card-elevated {
  background: color-mix(in srgb, var(--primary-color) 5%, transparent);
  border: var(--border-strong);
}

/* Grids */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-auto-small {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Section */
.section {
  position: relative;
  background: var(--background-color);
  padding: var(--spacing-xxl) 0;
}

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

.section-bordered {
  border-top: var(--border-subtle);
}

/* =============================================
   NAVIGATION
   ============================================= */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-subtle);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

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

.nav-logo .logo {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  font-family: monospace;
  color: var(--primary-color);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: var(--transition-base);
  position: relative;
}

.nav-link:hover {
  color: color-mix(in srgb, var(--primary-color) 80%, transparent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--background-color);
}

canvas {
  display: block;
  opacity: 0.8;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.content {
  text-align: center;
  color: var(--primary-color);
  z-index: 10;
  font-family: 'Domine', serif;
  letter-spacing: 0.02em;
  text-shadow: var(--text-shadow);
  padding: 0 var(--spacing-sm);
  width: 70vw;
  animation: fadeIn 1s ease-out;
}

.content p {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  line-height: 1.4;
}

/* =============================================
   HOW WE WORK SECTION
   ============================================= */
.how-we-work {
  position: relative;
  background: var(--background-color);
  padding: var(--spacing-section) 0;
  border-top: var(--border-subtle);
}

.section-subtitle {
  text-align: center;
  font-family: monospace;
  font-size: var(--font-size-medium);
  color: color-mix(in srgb, var(--primary-color) 70%, transparent);
  margin-bottom: var(--spacing-xxl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.work-card {
  text-align: center;
}

.work-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

/* =============================================
   PROBLEMS SECTION
   ============================================= */
.problems-section {
  position: relative;
  background: linear-gradient(180deg, #0a0a0a 0%, var(--background-color) 70%, rgba(0, 0, 0, 0.95) 100%);
  padding: var(--spacing-xxl) 0;
  border-top: var(--border-subtle);
  overflow: hidden;
}

.problems-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(45deg, transparent 24%, color-mix(in srgb, var(--error-color) 2%, transparent) 25%, color-mix(in srgb, var(--error-color) 2%, transparent) 26%, transparent 27%, transparent 74%, color-mix(in srgb, var(--error-color) 2%, transparent) 75%, color-mix(in srgb, var(--error-color) 2%, transparent) 76%, transparent 77%),
    linear-gradient(-45deg, transparent 24%, color-mix(in srgb, var(--error-color) 2%, transparent) 25%, color-mix(in srgb, var(--error-color) 2%, transparent) 26%, transparent 27%, transparent 74%, color-mix(in srgb, var(--error-color) 2%, transparent) 75%, color-mix(in srgb, var(--error-color) 2%, transparent) 76%, transparent 77%);
  background-size: 30px 30px;
  animation: brokenGrid 8s ease-in-out infinite;
  pointer-events: none;
}

.problems-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--error-color) 10%, transparent) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, color-mix(in srgb, var(--error-color) 5%, transparent) 0%, transparent 50%),
              radial-gradient(circle at 40% 80%, color-mix(in srgb, var(--error-color) 3%, transparent) 0%, transparent 50%);
  animation: errorParticles 6s ease-in-out infinite;
  pointer-events: none;
}

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

.problem-card {
  opacity: 0;
  transform: translateY(50px);
  animation: cardSlideIn 0.8s ease-out forwards;
  position: relative;
  z-index: 2;
}

.problem-card:nth-child(1) { animation-delay: 0.1s; }
.problem-card:nth-child(2) { animation-delay: 0.3s; }
.problem-card:nth-child(3) { animation-delay: 0.5s; }
.problem-card:nth-child(4) { animation-delay: 0.7s; }

.problem-card:hover {
  background: color-mix(in srgb, var(--primary-color) 5%, transparent);
}

.problem-stat {
  font-family: 'Domine', serif;
  font-size: clamp(2.5rem, 4vw, 3rem);
  margin-bottom: var(--spacing-sm);
  font-weight: bold;
  color: var(--error-color);
  text-shadow: 0 0 10px color-mix(in srgb, var(--error-color) 50%, transparent);
  animation: pulse 2s ease-in-out infinite;
  position: relative;
}

.problem-stat:hover {
  animation: glitchEffect 0.3s ease-in-out;
}

.problem-card p {
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--primary-color) 70%, transparent);
}

.solution-preview {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: var(--border-strong);
}

.solution-text {
  font-family: monospace;
  font-size: var(--font-size-medium);
  color: color-mix(in srgb, var(--primary-color) 80%, transparent);
  margin-bottom: var(--spacing-sm);
}

.solution-emphasis {
  font-family: 'Domine', serif;
  font-size: var(--font-size-large);
  color: var(--primary-color);
  text-shadow: var(--text-shadow);
}

/* =============================================
   CASE STUDIES SECTION
   ============================================= */
.case-studies {
  position: relative;
  background: var(--background-color);
  padding: var(--spacing-section) 0;
}

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.case-study-card {
  background: color-mix(in srgb, var(--primary-color) 5%, transparent);
  border: var(--border-strong);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: var(--transition-base);
}

.case-study-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px color-mix(in srgb, var(--primary-color) 10%, transparent);
  border-color: var(--primary-color);
}

.case-study-card h3 {
  font-size: var(--font-size-medium);
}

.case-study-card p {
  margin-bottom: var(--spacing-md);
}

.outcome {
  font-family: 'Domine', serif;
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-weight: bold;
  text-shadow: var(--text-shadow);
}

.client-quote {
  font-family: monospace;
  font-style: italic;
  color: color-mix(in srgb, var(--primary-color) 70%, transparent);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: var(--border-strong);
}

/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
  position: relative;
  background: var(--background-color);
  padding: var(--spacing-section) 0;
  text-align: center;
  border-top: var(--border-strong);
}

.cta-section h2 {
  font-size: var(--font-size-xxlarge);
}

.cta-subtitle {
  font-family: 'Domine', serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.cta-description {
  font-family: monospace;
  font-size: var(--font-size-medium);
  color: color-mix(in srgb, var(--primary-color) 80%, transparent);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-guarantee {
  font-family: monospace;
  font-size: var(--font-size-base);
  color: color-mix(in srgb, var(--primary-color) 60%, transparent);
  margin-top: var(--spacing-lg);
  font-style: italic;
}

/* =============================================
   FOOTER
   ============================================= */
footer {
  position: relative;
  background: var(--background-color);
  padding: var(--spacing-lg) 0;
  text-align: center;
  border-top: var(--border-subtle);
}

footer p {
  font-family: monospace;
  color: color-mix(in srgb, var(--primary-color) 50%, transparent);
  font-size: var(--font-size-small);
}

/* =============================================
   PS SECTION
   ============================================= */
.ps-section {
  background: var(--card-bg);
  padding: 40px 0;
  border-top: 2px solid var(--primary-color);
}

.ps-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.ps-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.utilities-list {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
}

.utility-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  padding: 0 10px;
  border-right: 1px solid var(--text-muted);
}

.utility-link:last-child {
  border-right: none;
}

.utility-link:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* =============================================
   BACK TO TOP BUTTON
   ============================================= */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--background-color);
  border: none;
  border-radius: 50%;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(245, 212, 66, 0.3);
}

#back-to-top:hover {
  animation-play-state: paused;
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(245, 212, 66, 0.4);
}

#back-to-top:active {
  transform: translateY(-2px);
}

#back-to-top.show {
  opacity: 1;
  visibility: visible;
  animation: bobbing 3s ease-in-out infinite;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bobbing {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes brokenGrid {
  0%, 100% { opacity: 0.3; transform: translateX(0); }
  50% { opacity: 0.1; transform: translateX(5px); }
}

@keyframes errorParticles {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.3; }
}

@keyframes cardSlideIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes glitchEffect {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

/* =============================================
   ACCESSIBILITY
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
  .problem-card {
    opacity: 1;
    transform: translateY(0);
  }
  .problems-section::before,
  .problems-section::after {
    animation: none;
  }
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */
@media (max-width: 480px) {
  :root {
    --spacing-section: 4rem;
  }
  
  .content {
    padding: var(--spacing-xs);
    width: 100vw;
  }
  
  .content h1 {
    font-size: 2.2em;
    margin: 0.3em 0 0.5em 0;
  }
  
  .content p {
    font-size: 1.3em;
    margin: 0 0 1.2em 0;
  }
  
  .btn-large {
    font-size: 1.2em;
    padding: 1em 2.5em;
    margin-top: 1.2em;
  }
  
  .problems-section {
    padding: var(--spacing-lg) 0;
  }
  
  .problems-section h2 {
    font-size: 1.8rem;
  }
  
  .problems-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .problem-stat {
    font-size: 2.5rem;
  }
  
  .problem-card h3 {
    font-size: var(--font-size-medium);
  }
  
  .solution-text {
    font-size: var(--font-size-base);
  }
  
  .solution-emphasis {
    font-size: var(--font-size-medium);
  }
  
  .case-studies {
    padding: var(--spacing-lg) 0;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .case-study-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .nav-container {
    padding: 0 var(--spacing-sm);
  }
  
  .nav-links {
    display: none;
  }
  
  .btn-small {
    font-size: 0.8rem;
    padding: 0.5em 1em;
  }
  
  .work-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .how-we-work {
    padding: var(--spacing-xxl) 0;
  }

  #back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

/* =============================================
   COLOR SCHEME
   ============================================= */
@media (prefers-color-scheme: dark) {
  :root {
    --primary-color: #f5d442;
    --background-color: #000000;
  }
}