/* Solar Curry - Radiant Authority Design System */

/* CSS Variables for Design Token System */
:root {
  /* Colors - Material Design Convention */
  --color-background: #131313;
  --color-surface: #131313;
  --color-surface-container-lowest: #0e0e0e;
  --color-surface-container-low: #1b1b1b;
  --color-surface-container: #1f1f1f;
  --color-surface-container-high: #2a2a2a;
  --color-surface-container-highest: #353535;
  --color-on-surface: #e2e2e2;
  --color-on-surface-variant: #e0c0af;
  --color-primary: #ffb68b;
  --color-primary-container: #ff7a00;
  --color-on-primary-container: #321200;
  --color-on-primary-fixed: #321200;
  --color-tertiary: #eac300;
  --color-outline: #a78b7c;
  --color-outline-variant: #584235;
  
  /* Typography */
  --font-headline: 'Epilogue', sans-serif;
  --font-body: 'Manrope', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;
  
  /* Border Radius (Brutalist - Sharp corners only) */
  --radius-none: 0px;
  --radius-full: 9999px;
}

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

body {
  font-family: var(--font-body);
  font-weight: 500;
  background-color: var(--color-background);
  color: var(--color-on-surface);
  overflow-x: hidden;
  line-height: 1.6;
}

::selection {
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-fixed);
}

/* Typography System */
.headline-display-lg {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(3.5rem, 8vw, 8rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
}

.headline-lg {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.headline-md {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.body-lg {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.6;
  color: var(--color-on-surface-variant);
}

.body-md {
  font-size: 1rem;
  line-height: 1.6;
}

.label-sm {
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary-container);
}

/* Layout Components */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.section {
  padding: var(--spacing-5xl) 0;
}

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

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-5 {
    grid-template-columns: 1fr;
  }
}

/* Signature Components */

/* Glass Panel - Glassmorphism Effect */
.glass-panel {
  background: rgba(19, 19, 19, 0.6);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(167, 139, 124, 0.15);
}

/* Sunshine Gradient - Top-down radial effect */
.sunshine-gradient {
  background: linear-gradient(180deg, 
    rgba(255, 122, 0, 0.1) 0%, 
    rgba(19, 19, 19, 1) 100%
  );
}

/* Solar Glow - Ambient lighting effect */
.solar-glow {
  background: radial-gradient(circle at center, 
    rgba(255, 122, 0, 0.15) 0%, 
    transparent 70%
  );
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: all 0.1s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-fixed);
}

.btn-primary:hover {
  background-color: var(--color-primary);
  transform: scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--color-on-surface);
  border: 1px solid rgba(167, 139, 124, 0.3);
}

.btn-secondary:hover {
  background-color: var(--color-surface-container-highest);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--color-background);
  background-image: linear-gradient(180deg, 
    rgba(255, 122, 0, 0.1) 0%, 
    transparent 100%
  );
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  height: 80px;
}

.logo {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
}

.nav-links {
  display: flex;
  gap: var(--spacing-2xl);
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-on-surface);
  text-decoration: none;
  opacity: 0.6;
  transition: all 0.2s ease;
}

.nav-link:hover {
  opacity: 1;
  color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary-container);
  opacity: 1;
  border-bottom: 2px solid var(--color-primary-container);
  padding-bottom: 2px;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

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

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 1000px;
}

.hero-tagline {
  display: block;
  margin-bottom: var(--spacing-lg);
}

.hero-title {
  margin-bottom: var(--spacing-xl);
  max-width: 90%;
}

.hero-subtitle {
  max-width: 80%;
  margin-bottom: var(--spacing-4xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

/* Abstract Sun Animation */
.sun-animation {
  position: absolute;
  right: -10%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(400px, 50vw, 800px);
  height: clamp(400px, 50vw, 800px);
  pointer-events: none;
}

.sun-ring-1 {
  width: 100%;
  height: 100%;
  border: 60px solid rgba(255, 122, 0, 0.2);
  border-radius: var(--radius-full);
  animation: pulse 4s ease-in-out infinite;
}

.sun-ring-2 {
  position: absolute;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 80%;
  border: 40px solid rgba(255, 122, 0, 0.4);
  border-radius: var(--radius-full);
}

.sun-core {
  position: absolute;
  top: 20%;
  left: 20%;
  width: 60%;
  height: 60%;
  background: linear-gradient(45deg, 
    var(--color-primary-container), 
    var(--color-tertiary)
  );
  border-radius: var(--radius-full);
  box-shadow: 0 0 150px rgba(255, 122, 0, 0.4);
}

@keyframes pulse {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.4; }
}

/* Card Components */
.card {
  background-color: var(--color-surface-container-low);
  overflow: hidden;
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.5s ease;
}

.card:hover .card-image {
  filter: grayscale(0%);
}

.card-content {
  padding: var(--spacing-xl);
}

.card-category {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary-container);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.card-description {
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}

/* Progress Bar */
.progress-container {
  width: 100%;
  height: 16px;
  background-color: var(--color-surface-container-highest);
  position: relative;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-primary-container);
  position: relative;
}

.progress-indicator {
  position: absolute;
  right: 0;
  top: 0;
  width: 4px;
  height: 48px;
  background-color: var(--color-primary-container);
  box-shadow: 0 0 20px var(--color-primary-container);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-xl);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-primary-container);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.1em;
}

.form-input {
  width: 100%;
  padding: var(--spacing-lg);
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  font-size: 1.5rem;
  font-weight: 300;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-bottom-color: var(--color-primary-container);
}

.form-input::placeholder {
  color: var(--color-surface-container-highest);
}

.slider {
  width: 100%;
  height: 4px;
  background-color: var(--color-surface-container-highest);
  border-radius: var(--radius-none);
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background-color: var(--color-primary-container);
  border-radius: var(--radius-full);
  cursor: pointer;
}

/* Step Process Grid */
.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  border-left: 1px solid var(--color-outline-variant);
}

@media (min-width: 768px) {
  .step-grid {
    grid-template-columns: repeat(5, 1fr);
    border-left: none;
  }
}

.step-item {
  padding: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-outline-variant);
  border-right: 1px solid var(--color-outline-variant);
  transition: background-color 0.3s ease;
}

.step-item:hover {
  background-color: rgba(255, 122, 0, 0.05);
}

.step-number {
  font-family: var(--font-headline);
  font-size: 4rem;
  color: rgba(167, 139, 124, 0.3);
  line-height: 1;
  transition: color 0.3s ease;
}

.step-item:hover .step-number {
  color: rgba(255, 122, 0, 0.4);
}

.step-title {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.5rem;
  margin: var(--spacing-md) 0;
}

.step-description {
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}

/* Calculator Result Panel */
.calculator-result {
  text-align: center;
  padding: var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.calculator-result::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background-color: rgba(255, 122, 0, 0.2);
  border-radius: var(--radius-full);
  filter: blur(60px);
}

.result-label {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--color-on-surface-variant);
}

.result-amount {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 5rem);
  color: var(--color-primary-container);
  line-height: 1;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.result-note {
  color: var(--color-on-surface-variant);
  font-style: italic;
  margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
  background-color: var(--color-background);
  border-top: 1px solid var(--color-surface-container-highest);
  padding: var(--spacing-4xl) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-3xl);
}

.footer-brand {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.25rem;
  text-transform: uppercase;
  color: var(--color-primary-container);
  margin-bottom: var(--spacing-xl);
  letter-spacing: -0.02em;
}

.footer-description {
  color: rgba(226, 226, 226, 0.6);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

.footer-section h5 {
  color: var(--color-primary-container);
  font-weight: 800;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: rgba(226, 226, 226, 0.6);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-icons {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.footer-copyright {
  color: rgba(226, 226, 226, 0.6);
  font-size: 0.875rem;
  margin-top: var(--spacing-xl);
}

/* Material Icons */
.material-icon {
  font-family: 'Material Symbols Outlined';
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.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-2xl { margin-bottom: var(--spacing-2xl); }

.mt-xs { margin-top: var(--spacing-xs); }
.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); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.opacity-60 { opacity: 0.6; }
.opacity-80 { opacity: 0.8; }

/* Responsive helpers */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
}