/* ==========================================================================
   RND Merch LLC - Main Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design System)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-background: #0a0a0a;
  --color-surface: #1a1a1a;
  --color-border: #2a2a2a;
  --color-primary: #6366f1;
  --color-primary-hover: #818cf8;
  --color-text-primary: #ffffff;
  --color-text-secondary: #a1a1aa;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  /* 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;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Container */
  --container-max-width: 1200px;
  --container-padding: var(--spacing-lg);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

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

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

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

.logo span {
  color: var(--color-primary);
}

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

.nav-list {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  position: relative;
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

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

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

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

.btn-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 70px;
  background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: var(--spacing-xl);
}

.hero h1 {
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.6s ease-out;
}

.hero p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.hero .btn-group {
  justify-content: center;
  animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  font-size: var(--font-size-2xl);
}

.card h3 {
  margin-bottom: var(--spacing-md);
}

.card p {
  font-size: var(--font-size-sm);
}

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

/* --------------------------------------------------------------------------
   Services
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
}

.service-card h3 {
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.service-card h3::before {
  content: '';
  width: 4px;
  height: 24px;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  color: var(--color-text-secondary);
}

.service-list li::before {
  content: '→';
  color: var(--color-primary);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--spacing-lg);
}

.about-text p {
  margin-bottom: var(--spacing-lg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.value-item {
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.value-item h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.value-item p {
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.contact-info h2 {
  margin-bottom: var(--spacing-lg);
}

.contact-info p {
  margin-bottom: var(--spacing-xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-item-content h4 {
  margin-bottom: var(--spacing-xs);
}

.contact-item-content p,
.contact-item-content a {
  font-size: var(--font-size-sm);
}

.contact-form {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Legal Pages (Privacy Policy, Terms of Service)
   -------------------------------------------------------------------------- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding-top: calc(70px + var(--spacing-3xl));
}

.legal-content h1 {
  margin-bottom: var(--spacing-md);
}

.legal-content .last-updated {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-2xl);
}

.legal-content h2 {
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.legal-content p {
  margin-bottom: var(--spacing-md);
}

.legal-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.legal-content ul li {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.legal-content ul li::before {
  content: '•';
  color: var(--color-primary);
  position: absolute;
  left: calc(-1 * var(--spacing-lg));
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  margin-top: auto;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

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

.footer-copyright {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */

/* Tablet */
@media (max-width: 992px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }

  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: #0a0a0a;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: var(--spacing-xl);
    z-index: 999;
    overflow-y: auto;
  }

  .nav.active {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-md);
  }

  .nav-link {
    display: block;
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
  }

  .hero {
    min-height: auto;
    padding: calc(70px + var(--spacing-3xl)) var(--spacing-md) var(--spacing-3xl);
  }

  .hero-content {
    padding: var(--spacing-md);
  }

  .btn-group {
    flex-direction: column;
  }

  .card-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  :root {
    --container-padding: var(--spacing-md);
  }

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