/* ============================================================
   noise-remover.com — Global Stylesheet
   Version: 1.0.0
   Author: noise-remover.com
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Brand Colors */
  --color-primary:        #FF6B00;
  --color-primary-dark:   #EA5C00;
  --color-primary-light:  #FF8C2A;
  --color-primary-50:     #FFF0E0;
  --color-primary-100:    #FFAD5C;

  /* Amber Accent */
  --color-amber:          #F59E0B;
  --color-amber-light:    #FCD34D;
  --color-amber-50:       #FEF3C7;

  /* Neutrals */
  --color-dark:           #111827;
  --color-dark-800:       #1F2937;
  --color-dark-700:       #374151;
  --color-dark-600:       #4B5563;
  --color-dark-500:       #6B7280;
  --color-dark-400:       #9CA3AF;
  --color-dark-300:       #D1D5DB;
  --color-dark-200:       #E5E7EB;
  --color-dark-100:       #F3F4F6;
  --color-dark-50:        #F9FAFB;
  --color-white:          #FFFFFF;

  /* Semantic Colors */
  --color-success:        #10B981;
  --color-success-light:  #D1FAE5;
  --color-error:          #EF4444;
  --color-error-light:    #FEE2E2;
  --color-warning:        #F59E0B;
  --color-warning-light:  #FEF3C7;
  --color-info:           #3B82F6;
  --color-info-light:     #DBEAFE;

  /* Typography */
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Font Sizes */
  --text-xs:      0.75rem;    /* 12px */
  --text-sm:      0.8125rem;  /* 13px */
  --text-base:    0.875rem;   /* 14px */
  --text-md:      1rem;       /* 16px */
  --text-lg:      1.125rem;   /* 18px */
  --text-xl:      1.25rem;    /* 20px */
  --text-2xl:     1.5rem;     /* 24px */
  --text-3xl:     1.875rem;   /* 30px */
  --text-4xl:     2.25rem;    /* 36px */
  --text-5xl:     3rem;       /* 48px */
  --text-6xl:     3.75rem;    /* 60px */

  /* Font Weights */
  --font-normal:  400;
  --font-medium:  500;
  --font-semi:    600;
  --font-bold:    700;
  --font-black:   800;

  /* Line Heights */
  --leading-tight:  1.2;
  --leading-snug:   1.4;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  /* Spacing Scale */
  --space-1:    0.25rem;   /* 4px */
  --space-2:    0.5rem;    /* 8px */
  --space-3:    0.75rem;   /* 12px */
  --space-4:    1rem;      /* 16px */
  --space-5:    1.25rem;   /* 20px */
  --space-6:    1.5rem;    /* 24px */
  --space-8:    2rem;      /* 32px */
  --space-10:   2.5rem;    /* 40px */
  --space-12:   3rem;      /* 48px */
  --space-16:   4rem;      /* 64px */
  --space-20:   5rem;      /* 80px */
  --space-24:   6rem;      /* 96px */

  /* Border Radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md:   0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg:   0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --shadow-xl:   0 20px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.03);
  --shadow-orange: 0 8px 24px rgba(255,107,0,0.25);
  --shadow-orange-sm: 0 4px 12px rgba(255,107,0,0.18);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   300ms ease;
  --transition-slower: 500ms ease;

  /* Z-Index Scale */
  --z-below:    -1;
  --z-base:      0;
  --z-above:     1;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;

  /* Container */
  --container-sm:  640px;
  --container-md:  768px;
  --container-lg:  1024px;
  --container-xl:  1200px;
  --container-2xl: 1400px;

  /* Navbar Height */
  --nav-height: 64px;
}

/* ============================================================
   2. CSS RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

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

h1 { font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl)); font-weight: var(--font-black); }
h2 { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
h3 { font-size: clamp(var(--text-xl), 3vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

p {
  color: var(--color-dark-500);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-4);
}

p:last-child { margin-bottom: 0; }

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-orange  { color: var(--color-primary); }
.text-dark    { color: var(--color-dark); }
.text-muted   { color: var(--color-dark-500); }
.text-light   { color: var(--color-dark-400); }
.text-white   { color: var(--color-white); }
.text-success { color: var(--color-success); }
.text-error   { color: var(--color-error); }

.text-xs   { font-size: var(--text-xs); }
.text-sm   { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-md   { font-size: var(--text-md); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semi   { font-weight: var(--font-semi); }
.font-bold   { font-weight: var(--font-bold); }
.font-black  { font-weight: var(--font-black); }

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

.uppercase { text-transform: uppercase; letter-spacing: 0.08em; }

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-sm  { max-width: var(--container-sm); }
.container-md  { max-width: var(--container-md); }
.container-lg  { max-width: var(--container-lg); }
.container-2xl { max-width: var(--container-2xl); }

.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section-lg {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

/* Flexbox */
.flex          { display: flex; }
.flex-col      { flex-direction: column; }
.flex-wrap     { flex-wrap: wrap; }
.items-center  { align-items: center; }
.items-start   { align-items: flex-start; }
.items-end     { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end   { justify-content: flex-end; }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.flex-1 { flex: 1; }

/* Grid */
.grid        { display: grid; }
.grid-2      { grid-template-columns: repeat(2, 1fr); }
.grid-3      { grid-template-columns: repeat(3, 1fr); }
.grid-4      { grid-template-columns: repeat(4, 1fr); }
.grid-auto   { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Spacing */
.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

/* Display */
.hidden        { display: none; }
.block         { display: block; }
.inline-block  { display: inline-block; }
.inline-flex   { display: inline-flex; }
.relative      { position: relative; }
.absolute      { position: absolute; }
.overflow-hidden { overflow: hidden; }

/* ============================================================
   5. BUTTONS
   ============================================================ */

/* Base button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semi);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
  -webkit-user-select: none;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Primary Button — Dark default, orange hover */
.btn-primary {
  background-color: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

.btn-primary:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-orange-sm);
}

/* Orange Button — always orange */
.btn-orange {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-orange:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-orange-sm);
}

/* Ghost Button — outline, dark → orange hover */
.btn-ghost {
  background-color: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}

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

/* White Button */
.btn-white {
  background-color: var(--color-white);
  color: var(--color-dark);
  border-color: var(--color-white);
}

.btn-white:hover {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Outline White (for dark backgrounds) */
.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-dark);
  border-color: var(--color-white);
}

/* Button Sizes */
.btn-xs  { padding: 6px 14px; font-size: var(--text-xs); }
.btn-sm  { padding: 8px 18px; font-size: var(--text-xs); }
.btn-lg  { padding: 14px 32px; font-size: var(--text-md); }
.btn-xl  { padding: 16px 40px; font-size: var(--text-lg); }

/* Full Width */
.btn-full { width: 100%; }

/* Button with Icon */
.btn svg, .btn i {
  font-size: 1em;
  flex-shrink: 0;
}

/* Loading State */
.btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

/* Disabled State */
.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   6. FORM ELEMENTS
   ============================================================ */

/* All form inputs — WHITE background + ORANGE border */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 11px 16px;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  color: var(--color-dark);
  line-height: 1.5;
  outline: none;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-dark-400);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
}

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

/* Error state */
.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Success state */
.form-input.success,
.form-select.success,
.form-textarea.success {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

/* Select */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

/* Input with icon */
.input-wrap {
  position: relative;
}

.input-icon-left {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-primary);
  font-size: 16px;
  pointer-events: none;
}

.input-icon-right {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-dark-400);
  font-size: 16px;
  cursor: pointer;
  transition: color var(--transition-base);
}

.input-icon-right:hover {
  color: var(--color-primary);
}

.input-wrap .form-input.has-icon-left  { padding-left: 42px; }
.input-wrap .form-input.has-icon-right { padding-right: 42px; }

/* Form Group */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
  font-weight: var(--font-semi);
  color: var(--color-dark-700);
  margin-bottom: var(--space-2);
}

.form-label a {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: var(--font-semi);
}

.form-label a:hover {
  text-decoration: underline;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-dark-400);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Form Row (2 columns) */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* Checkbox */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  cursor: pointer;
  accent-color: var(--color-primary);
  margin-top: 2px;
}

.form-check label {
  font-size: var(--text-xs);
  color: var(--color-dark-500);
  line-height: 1.6;
  cursor: pointer;
}

.form-check label a {
  color: var(--color-primary);
  font-weight: var(--font-semi);
}

/* ============================================================
   7. CARDS
   ============================================================ */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-dark-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.card:hover {
  border-color: var(--color-primary-100);
  box-shadow: var(--shadow-md);
}

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

.card-body {
  padding: var(--space-6);
}

.card-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-dark-200);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-dark-200);
}

.card-featured {
  border: 2px solid var(--color-primary);
}

.card-dark {
  background: var(--color-dark);
  border-color: var(--color-dark-700);
}

/* ============================================================
   8. BADGES & PILLS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  line-height: 1;
}

.badge-orange {
  background: var(--color-primary-50);
  color: #92400E;
  border: 1px solid var(--color-primary-100);
}

.badge-dark {
  background: var(--color-dark);
  color: var(--color-white);
}

.badge-green {
  background: var(--color-success-light);
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.badge-red {
  background: var(--color-error-light);
  color: #991B1B;
  border: 1px solid #FECACA;
}

.badge-blue {
  background: var(--color-info-light);
  color: #1E40AF;
  border: 1px solid #BFDBFE;
}

.badge-yellow {
  background: var(--color-amber-50);
  color: #78350F;
  border: 1px solid var(--color-amber-light);
}

/* Popular / Featured badges */
.badge-popular {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 10px;
}

/* Section label (eyebrow text) */
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

/* ============================================================
   9. SECTION HEADERS
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--font-black);
  color: var(--color-dark);
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-md);
  color: var(--color-dark-500);
  max-width: 520px;
  margin: 0 auto;
  line-height: var(--leading-loose);
}

/* ============================================================
   10. DIVIDERS
   ============================================================ */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-dark-200);
}

.divider span {
  font-size: var(--text-xs);
  font-weight: var(--font-semi);
  color: var(--color-dark-400);
  white-space: nowrap;
}

/* ============================================================
   11. ALERTS & MESSAGES
   ============================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.alert i { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

.alert-error {
  background: var(--color-error-light);
  border: 1px solid #FECACA;
  color: #991B1B;
}
.alert-error i { color: var(--color-error); }

.alert-success {
  background: var(--color-success-light);
  border: 1px solid #A7F3D0;
  color: #065F46;
}
.alert-success i { color: var(--color-success); }

.alert-warning {
  background: var(--color-warning-light);
  border: 1px solid var(--color-amber-light);
  color: #78350F;
}
.alert-warning i { color: var(--color-warning); }

.alert-info {
  background: var(--color-info-light);
  border: 1px solid #BFDBFE;
  color: #1E40AF;
}
.alert-info i { color: var(--color-info); }

.alert-orange {
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-100);
  color: #92400E;
}
.alert-orange i { color: var(--color-primary); }

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-dark-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-dark);
  pointer-events: all;
  min-width: 280px;
  max-width: 400px;
  animation: toastIn 0.3s ease forwards;
}

.toast.toast-exit {
  animation: toastOut 0.3s ease forwards;
}

.toast-success i { color: var(--color-success); }
.toast-error   i { color: var(--color-error); }
.toast-warning i { color: var(--color-warning); }
.toast-info    i { color: var(--color-info); }

/* ============================================================
   12. NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-sticky);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-dark-200);
  transition: box-shadow var(--transition-base);
}

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

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--space-6);
  max-width: var(--container-xl);
  margin: 0 auto;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 16px;
  flex-shrink: 0;
}

.navbar-logo-text {
  font-size: var(--text-md);
  font-weight: var(--font-bold);
  color: var(--color-dark);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-dark-700);
  text-decoration: none;
  transition: color var(--transition-base);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.navbar-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile hamburger */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
}

.navbar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

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

.navbar-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

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

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-dark-200);
  padding: var(--space-4) var(--space-6) var(--space-6);
  z-index: calc(var(--z-sticky) - 1);
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  opacity: 0;
  transition:
    transform var(--transition-slow),
    opacity var(--transition-slow);
}

.mobile-menu.open {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-2);
  font-size: var(--text-md);
  font-weight: var(--font-medium);
  color: var(--color-dark-700);
  border-bottom: 1px solid var(--color-dark-100);
  transition: color var(--transition-base);
}

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

.mobile-nav-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* Page content offset for fixed navbar */
.page-content {
  padding-top: var(--nav-height);
}

/* ============================================================
   13. FOOTER
   ============================================================ */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.footer-brand-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 16px;
}

.footer-brand-name {
  font-size: var(--text-md);
  font-weight: var(--font-bold);
  color: var(--color-white);
}

.footer-brand-desc {
  font-size: var(--text-xs);
  color: var(--color-dark-400);
  line-height: var(--leading-loose);
  max-width: 240px;
  margin-bottom: var(--space-5);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-dark-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark-400);
  font-size: 16px;
  transition:
    background var(--transition-base),
    color var(--transition-base);
}

.footer-social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}

.footer-link {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-dark-400);
  text-decoration: none;
  margin-bottom: var(--space-3);
  transition: color var(--transition-base);
}

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

.footer-divider {
  border: none;
  border-top: 1px solid var(--color-dark-700);
  margin-bottom: var(--space-6);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-dark-500);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-legal a {
  font-size: var(--text-xs);
  color: var(--color-dark-500);
  transition: color var(--transition-base);
}

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

/* ============================================================
   14. COOKIE BANNER
   ============================================================ */
.cookie-banner {
  position: fixed;
  bottom: var(--space-5);
  left: var(--space-5);
  right: var(--space-5);
  max-width: 700px;
  margin: 0 auto;
  background: var(--color-white);
  border: 1px solid var(--color-dark-200);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  transform: translateY(20px);
  opacity: 0;
  animation: cookieIn 0.5s 1s ease forwards;
}

.cookie-banner.hidden {
  display: none;
}

.cookie-banner-text {
  font-size: var(--text-sm);
  color: var(--color-dark-700);
  line-height: 1.6;
  flex: 1;
}

.cookie-banner-text a {
  color: var(--color-primary);
  font-weight: var(--font-semi);
}

.cookie-banner-text a:hover {
  text-decoration: underline;
}

.cookie-banner-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ============================================================
   15. PAGE HERO BAND
   ============================================================ */
.page-hero {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-dark-200);
  padding: var(--space-16) var(--space-6) var(--space-12);
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-black);
  color: var(--color-dark);
  margin-bottom: var(--space-4);
  line-height: 1.15;
}

.page-hero h1 span {
  color: var(--color-primary);
}

.page-hero p {
  font-size: var(--text-md);
  color: var(--color-dark-500);
  max-width: 560px;
  margin: 0 auto var(--space-8);
  line-height: var(--leading-loose);
}

.page-hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.page-hero-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-dark-500);
}

.page-hero-meta-item i {
  color: var(--color-primary);
  font-size: 14px;
}

/* ============================================================
   16. BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  margin-bottom: var(--space-6);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-dark-400);
}

.breadcrumb-item a {
  color: var(--color-dark-500);
  transition: color var(--transition-base);
}

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

.breadcrumb-item.active {
  color: var(--color-dark);
  font-weight: var(--font-medium);
}

.breadcrumb-separator {
  color: var(--color-dark-300);
  font-size: 10px;
}

/* ============================================================
   17. STATS BAND
   ============================================================ */
.stats-band {
  background: var(--color-primary-50);
  border-top: 1px solid var(--color-primary-100);
  border-bottom: 1px solid var(--color-primary-100);
  padding: var(--space-8) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.stat-item {
  text-align: center;
  padding: 0 var(--space-4);
  border-right: 1px solid var(--color-primary-100);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--font-black);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: #92400E;
  font-weight: var(--font-medium);
}

/* ============================================================
   18. FEATURE CARDS
   ============================================================ */
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  font-size: 22px;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.card:hover .feature-icon {
  background: var(--color-primary);
  color: var(--color-white);
  transform: rotate(-5deg) scale(1.05);
}

/* ============================================================
   19. PROGRESS BARS
   ============================================================ */
.progress-track {
  height: 6px;
  background: var(--color-dark-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.progress-fill.success { background: var(--color-success); }
.progress-fill.warning { background: var(--color-warning); }
.progress-fill.error   { background: var(--color-error); }

/* ============================================================
   20. TOGGLE SWITCH
   ============================================================ */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-dark-200);
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: var(--color-white);
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ============================================================
   21. TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-dark-200);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-dark-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-3) var(--space-4);
  background: var(--color-dark-50);
  text-align: left;
  border-bottom: 1px solid var(--color-dark-200);
}

.data-table td {
  font-size: var(--text-sm);
  color: var(--color-dark-700);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-dark-100);
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--color-primary-50);
}

/* ============================================================
   22. LOADING STATES
   ============================================================ */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-dark-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm { width: 14px; height: 14px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-dark-100) 25%,
    var(--color-dark-50) 50%,
    var(--color-dark-100) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-wave 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ============================================================
   23. WAVEFORM VISUALIZATION
   ============================================================ */
.waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 56px;
}

.waveform-bar {
  flex: 1;
  border-radius: 2px;
  background: var(--color-dark-200);
  transition: height 0.3s ease, background 0.3s ease;
}

.waveform-bar.original {
  background: var(--color-primary-100);
}

.waveform-bar.enhanced {
  background: var(--color-primary);
}

.waveform-bar.playing {
  animation: waveform-bounce 0.5s ease-in-out infinite alternate;
}

/* ============================================================
   24. AUDIO PLAYER
   ============================================================ */
.audio-player {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-dark-50);
  border: 1px solid var(--color-dark-200);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
}

.play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-dark);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  flex-shrink: 0;
  font-size: 14px;
  transition:
    background var(--transition-base),
    transform var(--transition-fast);
}

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

.play-btn:active {
  transform: scale(0.93);
}

.player-track-wrap {
  flex: 1;
  position: relative;
}

.player-track {
  height: 4px;
  background: var(--color-dark-200);
  border-radius: var(--radius-full);
  cursor: pointer;
}

.player-progress {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  position: relative;
  transition: width 0.1s linear;
}

.player-progress::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 2px solid var(--color-white);
  box-shadow: var(--shadow-sm);
}

.player-time {
  font-size: var(--text-xs);
  color: var(--color-dark-400);
  font-family: var(--font-mono);
  flex-shrink: 0;
  white-space: nowrap;
}

/* ============================================================
   25. BACKGROUND PATTERNS & DECORATIONS
   ============================================================ */
.bg-white    { background-color: var(--color-white); }
.bg-gray     { background-color: var(--color-dark-50); }
.bg-orange   { background-color: var(--color-primary-50); }
.bg-dark     { background-color: var(--color-dark); }

.bg-dots {
  background-image: radial-gradient(var(--color-dark-200) 1px, transparent 1px);
  background-size: 20px 20px;
}

.bg-grid {
  background-image:
    linear-gradient(var(--color-dark-100) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-dark-100) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Orange gradient background */
.bg-gradient-orange {
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-amber-50) 100%);
}

/* ============================================================
   26. UTILITY HELPERS
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   27. KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

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

@keyframes skeleton-wave {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes toastIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toastOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

@keyframes cookieIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes waveform-bounce {
  from { transform: scaleY(0.5); }
  to   { transform: scaleY(1.2); }
}

@keyframes pulse-orange {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,0,0.3); }
  50%       { box-shadow: 0 0 0 8px rgba(255,107,0,0); }
}

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

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes draw-line {
  from { width: 0; }
  to   { width: 100%; }
}