/* ============================================
   Main Stylesheet - Crypto Artist Website
   Premium Edition - Fully Polished
   ============================================ */

@import url('variables.css');
@import url('animations.css');

/* Google Fonts - Optimized loading */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ----------------------------------------
   Reset & Base Styles
   ---------------------------------------- */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

body.modal-open {
  overflow: hidden;
}

::selection {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

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

a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-in-out);
}

a:hover {
  color: var(--color-accent-secondary);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

/* ----------------------------------------
   Header / Navigation
   ---------------------------------------- */

#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: all var(--duration-normal) var(--ease-in-out);
}

#header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.header-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-4) var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.header-logo:hover {
  transform: scale(1.02);
}

.logo-icon {
  font-size: 1.75rem;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(255, 107, 53, 0.5));
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-wide);
}

.logo-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Desktop Navigation */
.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

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

.nav-link {
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-in-out);
  position: relative;
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all var(--duration-fast) var(--ease-out-expo);
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

.nav-link:hover::after {
  width: 60%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-3);
  padding: var(--space-2) var(--space-5);
  background: var(--gradient-primary);
  color: var(--color-text-primary) !important;
  border-radius: var(--radius-full);
  font-weight: var(--font-semibold);
  box-shadow: 0 2px 10px rgba(255, 107, 53, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.5);
}

.nav-cta::after {
  display: none;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

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

.mobile-menu-btn:hover {
  border-color: var(--color-accent-primary);
  background: rgba(255, 107, 53, 0.1);
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-in-out);
  transform-origin: center;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--space-4) var(--container-padding) var(--space-6);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  animation: slideDown 0.3s var(--ease-out-expo);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@media (min-width: 768px) {
  .mobile-nav {
    display: none !important;
  }
}

.mobile-nav-link {
  padding: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-in-out);
  border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--color-accent-primary);
  padding-left: var(--space-6);
}

.mobile-nav-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--gradient-primary);
  color: var(--color-text-primary) !important;
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  border-left: none;
}

.mobile-nav-cta:hover {
  padding-left: var(--space-4);
  border-left-color: transparent;
}

/* ----------------------------------------
   Typography
   ---------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
}

h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-6);
}

h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

/* ----------------------------------------
   Layout
   ---------------------------------------- */

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

section {
  padding: var(--section-padding-y) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: var(--space-8) auto 0;
  line-height: var(--leading-relaxed);
}

/* ----------------------------------------
   Buttons
   ---------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.btn-primary:active {
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent-primary);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Button loading state */
.btn.loading {
  pointer-events: none;
}

.btn.loading .btn-text {
  visibility: hidden;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ----------------------------------------
   Cards
   ---------------------------------------- */

.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ----------------------------------------
   Form Elements
   ---------------------------------------- */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  transition: all var(--duration-fast) var(--ease-in-out);
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--color-border-hover);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-error {
  color: var(--color-status-error);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-hint {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
  background: var(--color-bg-secondary);
}

.file-upload:hover,
.file-upload.dragover {
  border-color: var(--color-accent-primary);
  background: rgba(255, 107, 53, 0.05);
}

.file-upload input {
  display: none;
}

.file-upload-icon {
  font-size: 3rem;
  margin-bottom: var(--space-3);
}

.file-upload-text {
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
}

.file-upload-hint {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.file-preview {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
}

.file-preview img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.file-preview-remove {
  color: var(--color-status-error);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: opacity var(--duration-fast);
}

.file-preview-remove:hover {
  opacity: 0.7;
}

/* ----------------------------------------
   Badges
   ---------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}

.badge-primary {
  background: rgba(255, 107, 53, 0.15);
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.badge-secondary {
  background: rgba(123, 104, 238, 0.15);
  border-color: var(--color-accent-secondary);
  color: var(--color-accent-secondary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--color-status-complete);
  color: var(--color-status-complete);
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
  padding-bottom: var(--space-16);
}

/* Hero Background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 80%, rgba(255, 107, 53, 0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(123, 104, 238, 0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
    var(--color-bg-primary);
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.04;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 107, 53, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 107, 53, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

/* Floating Elements */
.hero-floating {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.floating-shape {
  position: absolute;
  font-size: 2rem;
  opacity: 0.12;
  animation: float 8s ease-in-out infinite;
  filter: blur(0.5px);
}

.shape-1 { top: 15%; left: 10%; animation-delay: 0s; font-size: 2.5rem; }
.shape-2 { top: 20%; right: 15%; animation-delay: 1.5s; font-size: 2rem; }
.shape-3 { bottom: 35%; left: 5%; animation-delay: 3s; font-size: 1.8rem; }
.shape-4 { top: 45%; right: 8%; animation-delay: 4.5s; font-size: 1.5rem; }
.shape-5 { bottom: 25%; right: 18%; animation-delay: 6s; font-size: 1.8rem; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(5deg); }
  50% { transform: translateY(-25px) rotate(-5deg); }
  75% { transform: translateY(-10px) rotate(3deg); }
}

/* Hero Content */
.hero-content {
  text-align: center;
  padding: var(--space-8);
  max-width: 1000px;
  position: relative;
  z-index: 1;
}

/* Hero Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-5);
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  font-weight: var(--font-medium);
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 10px;
  height: 10px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--color-accent-primary);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

/* Hero Title */
.hero-title {
  margin-bottom: var(--space-8);
  line-height: 0.95;
}

.title-line {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.title-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: clamp(3rem, 11vw, 7rem);
  filter: drop-shadow(0 0 30px rgba(255, 107, 53, 0.3));
}

.title-highlight {
  position: relative;
  color: var(--color-accent-tertiary);
  display: inline-block;
}

.title-highlight::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: -5px;
  right: -5px;
  height: 12px;
  background: rgba(0, 212, 170, 0.25);
  border-radius: var(--radius-full);
  z-index: -1;
}

/* Hero Tagline */
.hero-tagline {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

/* Hero CTA */
.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

/* Hero Stats */
.hero-stats {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-6) var(--space-10);
  background: rgba(20, 20, 20, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(20px);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-accent-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, var(--color-border), transparent);
}

@media (max-width: 640px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
    width: 100%;
    max-width: 300px;
  }
  
  .stat-divider {
    width: 80%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border), transparent);
  }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.scroll-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.scroll-line {
  width: 2px;
  height: 50px;
  background: var(--color-border);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-full);
}

.scroll-dot {
  width: 4px;
  height: 12px;
  background: var(--color-accent-primary);
  border-radius: var(--radius-full);
  position: absolute;
  left: -1px;
  animation: scrollDown 2s ease-in-out infinite;
  box-shadow: 0 0 8px var(--color-accent-primary);
}

@keyframes scrollDown {
  0% { top: -12px; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* Hero Side Social */
.hero-social {
  position: absolute;
  left: var(--space-8);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

@media (max-width: 1200px) {
  .hero-social {
    display: none;
  }
}

.hero-social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-in-out);
  background: rgba(20, 20, 20, 0.5);
  backdrop-filter: blur(10px);
}

.hero-social-link:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.hero-social-link svg {
  width: 20px;
  height: 20px;
}

.social-line {
  width: 2px;
  height: 80px;
  background: linear-gradient(to bottom, var(--color-border), transparent);
  border-radius: var(--radius-full);
}

/* ----------------------------------------
   About Section
   ---------------------------------------- */

#about {
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;
}

#about::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123, 104, 238, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1.3fr;
    gap: var(--space-16);
  }
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.about-image:hover img {
  transform: scale(1.02);
}

.about-image::before {
  content: '';
  position: absolute;
  inset: -15px;
  border: 2px solid var(--color-accent-primary);
  border-radius: var(--radius-2xl);
  opacity: 0.2;
  transform: translate(20px, 20px);
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.about-image:hover::before {
  transform: translate(15px, 15px);
  opacity: 0.4;
}

.about-image::after {
  content: '';
  position: absolute;
  inset: -15px;
  border: 2px solid var(--color-accent-secondary);
  border-radius: var(--radius-2xl);
  opacity: 0.15;
  transform: translate(-10px, -10px);
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.about-image:hover::after {
  transform: translate(-15px, -15px);
  opacity: 0.3;
}

.about-content h2 {
  text-align: left;
  font-size: var(--text-5xl);
}

.about-content h2::after {
  left: 0;
  transform: none;
}

.about-text {
  margin-bottom: var(--space-8);
}

.about-text p {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.about-styles {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.about-styles .badge {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: all var(--duration-fast) var(--ease-in-out);
}

.social-link:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.2);
}

.social-link svg {
  width: 22px;
  height: 22px;
}

/* ----------------------------------------
   Gallery Section
   ---------------------------------------- */

#gallery {
  background: var(--color-bg-primary);
  position: relative;
}

#gallery::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 300px;
  background: linear-gradient(to top, var(--color-bg-secondary), transparent);
  pointer-events: none;
}

.gallery-filters {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.filter-btn {
  padding: var(--space-3) var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  transition: all var(--duration-fast) var(--ease-in-out);
}

.filter-btn:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  background: rgba(255, 107, 53, 0.1);
}

.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: var(--color-text-primary);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-6);
}

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

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/5;
  transition: all var(--duration-normal) var(--ease-out-expo);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.gallery-item.hidden {
  display: none;
}

.gallery-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 40%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-in-out);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
  transform: translateY(10px);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.gallery-item:hover .gallery-item-title {
  transform: translateY(0);
}

.gallery-item-style {
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
}

.gallery-item-client {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  font-style: italic;
}

/* Gallery Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-in-out);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  max-width: 900px;
  max-height: 90vh;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--duration-normal) var(--ease-out-expo);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  cursor: pointer;
  z-index: 10;
  transition: all var(--duration-fast) var(--ease-in-out);
  backdrop-filter: blur(10px);
}

.modal-close:hover {
  background: var(--color-accent-primary);
  transform: rotate(90deg);
}

.modal-image {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  background: var(--color-bg-primary);
}

.modal-info {
  padding: var(--space-6);
}

.modal-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

/* ----------------------------------------
   How It Works Section
   ---------------------------------------- */

#how-it-works {
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;
}

#how-it-works::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.steps-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
}

@media (min-width: 768px) {
  .steps-container {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.step-item {
  text-align: center;
  position: relative;
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.step-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent-primary);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
  .step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50px;
    right: -30px;
    width: 60px;
    height: 2px;
    background: linear-gradient(to right, var(--color-accent-primary), var(--color-accent-secondary));
    z-index: 2;
  }
}

.step-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-primary));
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
  z-index: 1;
  transition: all var(--duration-normal) var(--ease-out-expo);
  color: var(--color-text-secondary);
}

.step-item:hover .step-icon {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  box-shadow: 0 0 30px rgba(255, 107, 53, 0.2);
}

.step-number {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: white;
  box-shadow: 0 4px 10px rgba(255, 107, 53, 0.4);
}

.step-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.step-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ----------------------------------------
   Donation Section
   ---------------------------------------- */

#donate {
  background: var(--color-bg-primary);
  position: relative;
}

#donate::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(123, 104, 238, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.donate-card {
  max-width: 650px;
  margin: 0 auto;
  background: linear-gradient(145deg, var(--color-bg-elevated), var(--color-bg-secondary));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  position: relative;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* QR Code Section */
.qr-section {
  text-align: center;
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}

.qr-code-wrapper {
  position: relative;
  display: inline-block;
  padding: var(--space-5);
  background: white;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.qr-code-wrapper:hover {
  transform: scale(1.02);
}

.qr-code {
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-code img {
  width: 100% !important;
  height: 100% !important;
  border-radius: var(--radius-md);
}

.network-badge-large {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: rgba(239, 0, 39, 0.1);
  border: 2px solid #EF0027;
  border-radius: var(--radius-full);
  color: #EF0027;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
}

/* Wallet Address Display */
.wallet-address-section {
  margin-bottom: var(--space-8);
}

.wallet-address-display {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-bg-primary);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  transition: border-color var(--duration-fast);
}

.wallet-address-display:hover {
  border-color: var(--color-accent-primary);
}

.wallet-address-display code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  word-break: break-all;
  font-weight: var(--font-medium);
}

.wallet-address-display .copy-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
}

.wallet-address-display .copy-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 15px rgba(255, 107, 53, 0.4);
}

/* Suggested Amounts */
.suggested-amounts {
  margin-bottom: var(--space-8);
}

.amount-badges {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.amount-badge {
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-primary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
  transition: all var(--duration-fast);
}

.amount-badge:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.amount-badge.popular {
  background: rgba(255, 107, 53, 0.15);
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  font-weight: var(--font-bold);
  position: relative;
}

.amount-badge.popular::before {
  content: '★ Popular';
  position: absolute;
  top: -10px;
  right: -10px;
  padding: 2px 8px;
  background: var(--color-accent-primary);
  color: white;
  font-size: 10px;
  border-radius: var(--radius-full);
}

/* Donation Instructions */
.donation-instructions {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-border);
}

.donation-instructions h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.donation-instructions h4::before {
  content: '📋';
}

.donation-instructions ol {
  list-style: none;
  counter-reset: steps;
  padding-left: 0;
}

.donation-instructions li {
  counter-increment: steps;
  margin-bottom: var(--space-3);
  padding-left: var(--space-8);
  position: relative;
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.donation-instructions li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
}

.donation-instructions strong {
  color: var(--color-accent-primary);
  font-weight: var(--font-bold);
}

/* Transaction Status */
.tx-status {
  text-align: center;
  padding: var(--space-8);
  display: none;
}

.tx-status.active {
  display: block;
}

.tx-status-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
}

.tx-status-icon.success {
  color: var(--color-status-complete);
  animation: bounceIn 0.5s var(--ease-out-expo);
}

@keyframes bounceIn {
  0% { transform: scale(0); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ----------------------------------------
   Commission Form Section
   ---------------------------------------- */

#commission {
  background: var(--color-bg-secondary);
  display: none;
}

#commission.active {
  display: block;
  animation: fadeInUp 0.6s var(--ease-out-expo);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#commission-form.hidden {
  display: none;
}

.commission-card {
  max-width: 750px;
  margin: 0 auto;
  background: linear-gradient(145deg, var(--color-bg-elevated), var(--color-bg-secondary));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.commission-header {
  text-align: center;
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.commission-header h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  font-size: var(--text-2xl);
}

.commission-header p {
  color: var(--color-text-muted);
}

.style-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .style-selector {
    grid-template-columns: 1fr;
  }
}

.style-option {
  padding: var(--space-5);
  background: var(--color-bg-primary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.style-option:hover {
  border-color: var(--color-accent-secondary);
  transform: translateY(-2px);
}

.style-option.selected {
  border-color: var(--color-accent-primary);
  background: rgba(255, 107, 53, 0.1);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.2);
}

.style-option input {
  display: none;
}

.style-option-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-3);
}

.style-option-label {
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

/* ----------------------------------------
   FAQ Section
   ---------------------------------------- */

#faq {
  background: var(--color-bg-primary);
  position: relative;
}

#faq::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to bottom, var(--color-bg-secondary), transparent);
  pointer-events: none;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  max-width: 1000px;
  margin: 0 auto;
}

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

.faq-item {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-fast) var(--ease-in-out);
  position: relative;
  overflow: hidden;
}

.faq-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.faq-item:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.faq-item:hover::before {
  transform: scaleY(1);
}

.faq-item h4 {
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-right: var(--space-4);
}

.faq-item p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */

#footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8);
  position: relative;
}

#footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-accent-primary), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1.5fr;
  }
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.footer-brand p {
  max-width: 350px;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.footer-links h4,
.footer-support h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-5);
  color: var(--color-text-primary);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  transition: all var(--duration-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links a::before {
  content: '→';
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--duration-fast);
}

.footer-links a:hover {
  color: var(--color-accent-primary);
  padding-left: var(--space-2);
}

.footer-links a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.wallet-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-bg-elevated);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.wallet-display code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  word-break: break-all;
  line-height: 1.4;
}

.copy-btn {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-accent-primary);
  border: 1px solid var(--color-accent-primary);
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  transition: all var(--duration-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

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

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast);
}

.back-to-top:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
}

.back-to-top svg {
  transition: transform var(--duration-fast);
}

.back-to-top:hover svg {
  transform: translateY(-2px);
}

/* ----------------------------------------
   Utility Classes
   ---------------------------------------- */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ----------------------------------------
   Responsive Adjustments
   ---------------------------------------- */

@media (max-width: 640px) {
  :root {
    --section-padding-y: var(--space-16);
  }
  
  h1 {
    font-size: clamp(2rem, 10vw, 3.5rem);
  }
  
  h2 {
    font-size: var(--text-3xl);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .hero-tagline {
    font-size: var(--text-base);
  }
}

/* ----------------------------------------
   Performance Optimizations
   ---------------------------------------- */

/* GPU acceleration for animated elements */
.gallery-item,
.btn,
.card,
.social-link,
.step-item,
.faq-item {
  will-change: transform;
}

/* Reduced motion for 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;
  }
}

/* Print styles */
@media print {
  #header,
  .hero-floating,
  .scroll-indicator,
  .hero-social,
  .btn,
  #commission,
  #footer {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
}