/* ============================================
   BATU ENDUSTRIYEL - PREMIUM CORPORATE DESIGN SYSTEM
   Bakır/Kahve Renk Paleti
   ============================================ */

/* ----------------------------------------
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ---------------------------------------- */
:root {
  /* Primary Colors - Bakır/Kahve (Premium & Warm) */
  --primary: #B58A72;
  --primary-dark: #8C6A55;
  --primary-light: #D1B3A2;
  --primary-soft: rgba(181, 138, 114, 0.12);
  --primary-rgb: 181, 138, 114;

  /* Secondary Colors - Warm Neutrals */
  --secondary: #6B5B50;
  --secondary-light: #8B7B70;
  --secondary-soft: rgba(107, 91, 80, 0.1);

  /* Accent Colors - Bakır Vurgu */
  --accent: #B58A72;
  --accent-light: #D1B3A2;
  --accent-soft: rgba(181, 138, 114, 0.15);

  /* Neutral Grays - Warm Tones */
  --gray-900: #1A1A1A;
  --gray-800: #2A2A2A;
  --gray-700: #3A3A3A;
  --gray-600: #5A5A5A;
  --gray-500: #7A7A7A;
  --gray-400: #9A9A9A;
  --gray-300: #CFCFCF;
  --gray-200: #E5E0DC;
  --gray-100: #F5F2EF;
  --gray-50: #FAF8F6;

  /* Surface & Background - Light Mode */
  --surface: #FFFFFF;
  --surface-rgb: 255, 255, 255;
  --surface-elevated: #FFFFFF;
  --background: #F5F2EF;
  --background-alt: #EDE8E4;

  /* Text Colors - Light Mode */
  --text-primary: #1A1A1A;
  --text-secondary: #5A5A5A;
  --text-muted: #7A7A7A;
  --text-inverse: #FFFFFF;

  /* Semantic Colors */
  --success: #059669;
  --success-soft: rgba(5, 150, 105, 0.1);
  --warning: #d97706;
  --warning-soft: rgba(217, 119, 6, 0.1);
  --error: #dc2626;
  --error-soft: rgba(220, 38, 38, 0.1);
  --info: #0284c7;
  --info-soft: rgba(2, 132, 199, 0.1);

  /* Borders - Light Mode */
  --border-light: #E5E0DC;
  --border-default: #D1CCC7;
  --border-strong: #B5B0AB;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 10px 25px rgba(0, 0, 0, 0.1), 0 6px 10px rgba(0, 0, 0, 0.08);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Typography - Font Families */
  --font-display: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Typography - Fluid Font Sizes */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.775rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --text-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
  --text-xl: clamp(1.1875rem, 1.1rem + 0.4vw, 1.25rem);
  --text-2xl: clamp(1.375rem, 1.25rem + 0.6vw, 1.5rem);
  --text-3xl: clamp(1.625rem, 1.4rem + 1vw, 1.875rem);
  --text-4xl: clamp(2rem, 1.7rem + 1.5vw, 2.5rem);
  --text-5xl: clamp(2.5rem, 2rem + 2.5vw, 3.5rem);
  --text-6xl: clamp(3rem, 2.5rem + 3vw, 4.5rem);

  /* Typography - Line Heights */
  --leading-none: 1;
  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 1.8;

  /* Typography - Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Typography - Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Section Spacing */
  --section-padding-y: clamp(4rem, 8vw, 7rem);
  --section-padding-y-sm: clamp(2.5rem, 5vw, 4rem);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-toast: 600;
}

/* ----------------------------------------
   2. DARK MODE THEME
   ---------------------------------------- */
[data-theme="dark"] {
  /* Primary Colors - Bakır/Kahve (Koyu mod için ayarlanmış) */
  --primary: #D1B3A2;
  --primary-dark: #B58A72;
  --primary-light: #E5D4C8;
  --primary-soft: rgba(209, 179, 162, 0.15);
  --primary-rgb: 209, 179, 162;

  /* Secondary Colors */
  --secondary: #9A9A9A;
  --secondary-light: #CFCFCF;
  --secondary-soft: rgba(154, 154, 154, 0.1);

  /* Accent Colors */
  --accent: #D1B3A2;
  --accent-light: #E5D4C8;
  --accent-soft: rgba(209, 179, 162, 0.15);

  /* Surface & Background - Dark Mode */
  --surface: #1A1A1A;
  --surface-rgb: 26, 26, 26;
  --surface-elevated: #252525;
  --background: #0F0F0F;
  --background-alt: #1A1A1A;

  /* Text Colors - Dark Mode */
  --text-primary: #FFFFFF;
  --text-secondary: #CFCFCF;
  --text-muted: #9A9A9A;

  /* Borders - Dark Mode */
  --border-light: #2A2A2A;
  --border-default: #3A3A3A;
  --border-strong: #4A4A4A;

  /* Neutral Grays - Dark Mode Override */
  --gray-900: #0F0F0F;
  --gray-800: #1A1A1A;
  --gray-700: #2A2A2A;
  --gray-600: #3A3A3A;
  --gray-500: #5A5A5A;
  --gray-400: #7A7A7A;
  --gray-300: #9A9A9A;
  --gray-200: #CFCFCF;
  --gray-100: #E5E5E5;
  --gray-50: #F5F5F5;

  /* Shadows - Dark Mode */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 10px 25px rgba(0, 0, 0, 0.4), 0 6px 10px rgba(0, 0, 0, 0.3);
}

/* Dark mode utility overrides */
[data-theme="dark"] .bg-light {
  background-color: var(--surface) !important;
}

[data-theme="dark"] .border-light {
  border-color: var(--border-light) !important;
}

[data-theme="dark"] .text-dark {
  color: var(--text-primary) !important;
}

/* Dark mode Bootstrap card override */
[data-theme="dark"] .card {
  background-color: var(--surface);
  border-color: var(--border-light);
  color: var(--text-primary);
}

[data-theme="dark"] .card-body {
  background-color: transparent;
}

[data-theme="dark"] .card .text-muted {
  color: var(--text-muted) !important;
}

[data-theme="dark"] .card .fw-bold,
[data-theme="dark"] .card h1,
[data-theme="dark"] .card h2,
[data-theme="dark"] .card h3,
[data-theme="dark"] .card h4,
[data-theme="dark"] .card h5,
[data-theme="dark"] .card h6 {
  color: var(--text-primary);
}

[data-theme="dark"] .bg-primary.bg-opacity-10 {
  background-color: rgba(var(--primary-rgb), 0.15) !important;
}

[data-theme="dark"] .shadow-sm {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
}

/* ----------------------------------------
   3. BASE RESET & TYPOGRAPHY
   ---------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  background-color: var(--background);
  font-feature-settings: 'kern' 1, 'liga' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Theme transition */
body,
body * {
  transition: background-color var(--transition-slow),
              border-color var(--transition-slow),
              color var(--transition-slow);
}

/* Disable transitions on page load */
body.no-transition,
body.no-transition * {
  transition: none !important;
}

/* Headings */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  line-height: var(--leading-tight);
  margin-bottom: 0.5em;
  text-wrap: balance;
}

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

/* Display headings */
.display-1 { font-size: var(--text-6xl); line-height: var(--leading-none); }
.display-2 { font-size: var(--text-5xl); line-height: var(--leading-tight); }
.display-3 { font-size: var(--text-4xl); line-height: var(--leading-tight); }

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

.lead {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

/* Links */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* ----------------------------------------
   4. LAYOUT & SECTIONS
   ---------------------------------------- */
main {
  flex: 1;
}

section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

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

/* Section header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-muted);
}

/* ----------------------------------------
   5. NAVBAR
   ---------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: rgba(var(--surface-rgb), 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-4) 0;
  transition: all var(--transition-slow);
}

.navbar.scrolled {
  padding: var(--space-2) 0;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--primary) !important;
  letter-spacing: var(--tracking-tight);
}

.navbar-brand span {
  color: var(--text-primary);
}

.navbar-toggler {
  color: var(--text-primary);
  border: none;
  padding: var(--space-2);
  border-radius: var(--radius);
}

.navbar-toggler:focus {
  box-shadow: none;
  background-color: var(--primary-soft);
}

.nav-link {
  color: var(--text-primary);
  font-weight: var(--font-medium);
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--primary);
  background-color: var(--primary-soft);
}

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

/* Navbar actions */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-3) var(--space-6);
  background: var(--primary);
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  z-index: 9999;
  transition: top var(--transition-slow);
  font-weight: var(--font-semibold);
}

.skip-link:focus {
  top: var(--space-4);
  color: var(--text-inverse);
}

/* ----------------------------------------
   6. DROPDOWN
   ---------------------------------------- */
.dropdown-menu {
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  box-shadow: var(--shadow-lg);
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  min-width: 200px;
}

.dropdown-item {
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-weight: var(--font-medium);
  transition: all var(--transition);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--primary-soft);
  color: var(--primary);
}

.dropdown-divider {
  border-color: var(--border-light);
  margin: var(--space-2) 0;
}

/* ----------------------------------------
   7. BUTTONS
   ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-normal);
  text-decoration: none;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

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

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  border-radius: var(--radius);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* Primary Button */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--text-inverse);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.4);
}

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

/* Outline Button */
.btn-outline,
.btn-outline-primary {
  background-color: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover,
.btn-outline-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--text-inverse);
}

/* Soft/Ghost Button */
.btn-soft,
.btn-soft-primary {
  background-color: var(--primary-soft);
  border-color: transparent;
  color: var(--primary);
}

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

/* Secondary Button */
.btn-secondary {
  background-color: var(--secondary);
  border-color: var(--secondary);
  color: var(--text-inverse);
}

.btn-secondary:hover {
  background-color: var(--gray-700);
  border-color: var(--gray-700);
  color: var(--text-inverse);
}

/* Secondary Outline */
.btn-outline-secondary {
  background-color: transparent;
  border-color: var(--border-default);
  color: var(--text-secondary);
}

.btn-outline-secondary:hover {
  background-color: var(--gray-100);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

/* Accent Button */
.btn-accent {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--text-inverse);
}

.btn-accent:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-light);
  color: var(--text-inverse);
}

/* Light Button */
.btn-light {
  background-color: var(--surface);
  border-color: var(--border-light);
  color: var(--text-primary);
}

.btn-light:hover {
  background-color: var(--gray-100);
  border-color: var(--border-default);
  color: var(--text-primary);
}

/* Icon Button */
.btn-icon {
  padding: var(--space-3);
  width: 44px;
  height: 44px;
}

.btn-icon.btn-sm {
  width: 36px;
  height: 36px;
  padding: var(--space-2);
}

/* ----------------------------------------
   8. CARDS
   ---------------------------------------- */
.premium-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.premium-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(var(--primary-rgb), 0.3);
}

/* Card Image */
.premium-card-image,
.premium-card__image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--gray-100);
}

.premium-card-img,
.premium-card-image img,
.premium-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.premium-card:hover .premium-card-img,
.premium-card:hover .premium-card-image img,
.premium-card:hover .premium-card__image img {
  transform: scale(1.05);
}

/* Card Body */
.premium-card-body,
.premium-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
}

/* Card Badge */
.premium-card-badge,
.premium-card__badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  background-color: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  width: fit-content;
}

/* Card Title */
.premium-card-title,
.premium-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
  line-height: var(--leading-snug);
}

/* Card Description */
.premium-card-description,
.premium-card__description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

/* Card Action */
.premium-card-action,
.premium-card__action {
  margin-top: auto;
}

/* Card Link Wrapper */
.premium-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.premium-card-link:hover {
  text-decoration: none;
  color: inherit;
}

/* Card Meta */
.premium-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

/* Horizontal Card */
.premium-card-horizontal {
  flex-direction: row;
}

.premium-card-horizontal .premium-card-image {
  width: 40%;
  aspect-ratio: auto;
}

.premium-card-horizontal .premium-card-body {
  width: 60%;
}

/* ----------------------------------------
   9. FORMS
   ---------------------------------------- */
.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.form-control,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.form-control:hover,
.form-select:hover {
  border-color: var(--border-strong);
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
  background-color: var(--surface);
}

.form-control::placeholder {
  color: var(--text-muted);
}

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

/* Floating Labels */
.form-floating > .form-control,
.form-floating > .form-select {
  height: calc(3.5rem + 2px);
  padding: 1rem var(--space-4);
}

.form-floating > label {
  padding: 1rem var(--space-4);
  color: var(--text-muted);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
  color: var(--primary);
  transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Validation States */
.form-control.is-valid,
.was-validated .form-control:valid {
  border-color: var(--success);
  background-image: none;
}

.form-control.is-valid:focus,
.was-validated .form-control:valid:focus {
  border-color: var(--success);
  box-shadow: 0 0 0 3px var(--success-soft);
}

.form-control.is-invalid,
.was-validated .form-control:invalid {
  border-color: var(--error);
  background-image: none;
}

.form-control.is-invalid:focus,
.was-validated .form-control:invalid:focus {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-soft);
}

/* Validation Messages */
.invalid-feedback,
.valid-feedback {
  display: none;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
}

.invalid-feedback {
  color: var(--error);
}

.valid-feedback {
  color: var(--success);
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

.was-validated .form-control:valid ~ .valid-feedback,
.form-control.is-valid ~ .valid-feedback {
  display: block;
}

/* Text Danger for ASP.NET validation */
.text-danger {
  color: var(--error);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-top: var(--space-1);
  display: block;
}

.validation-summary-errors {
  background-color: var(--error-soft);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: #991b1b;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

[data-theme="dark"] .validation-summary-errors {
  background-color: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

/* Input Group */
.input-group {
  display: flex;
  gap: var(--space-2);
}

.input-group .form-control {
  flex: 1;
}

/* ----------------------------------------
   10. ALERTS
   ---------------------------------------- */
.alert {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  margin-bottom: var(--space-4);
}

.alert-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.alert-description {
  font-size: var(--text-sm);
  opacity: 0.9;
}

/* Alert Variants */
.alert-success {
  background-color: var(--success-soft);
  border-color: rgba(5, 150, 105, 0.2);
  color: #065f46;
}

[data-theme="dark"] .alert-success {
  background-color: rgba(5, 150, 105, 0.15);
  color: #6ee7b7;
}

.alert-warning {
  background-color: var(--warning-soft);
  border-color: rgba(217, 119, 6, 0.2);
  color: #92400e;
}

[data-theme="dark"] .alert-warning {
  background-color: rgba(217, 119, 6, 0.15);
  color: #fcd34d;
}

.alert-danger,
.alert-error {
  background-color: var(--error-soft);
  border-color: rgba(220, 38, 38, 0.2);
  color: #991b1b;
}

[data-theme="dark"] .alert-danger,
[data-theme="dark"] .alert-error {
  background-color: rgba(220, 38, 38, 0.15);
  color: #fca5a5;
}

.alert-info {
  background-color: var(--info-soft);
  border-color: rgba(2, 132, 199, 0.2);
  color: #075985;
}

[data-theme="dark"] .alert-info {
  background-color: rgba(2, 132, 199, 0.15);
  color: #7dd3fc;
}

/* ----------------------------------------
   11. TOAST
   ---------------------------------------- */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--primary);
  animation: slideInRight 0.3s ease;
  max-width: 400px;
}

.toast-success {
  border-left-color: var(--success);
}

.toast-error {
  border-left-color: var(--error);
}

.toast-warning {
  border-left-color: var(--warning);
}

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

/* ----------------------------------------
   12. MODAL
   ---------------------------------------- */
.modal-backdrop {
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin: 0;
}

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

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  gap: var(--space-3);
}

/* ----------------------------------------
   13. BREADCRUMB
   ---------------------------------------- */
.breadcrumb-section {
  padding: var(--space-8) 0;
  background: linear-gradient(to bottom, var(--gray-50), var(--surface));
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--space-10);
}

[data-theme="dark"] .breadcrumb-section {
  background: linear-gradient(to bottom, var(--background-alt), var(--background));
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  margin: 0 0 var(--space-4);
  list-style: none;
  font-size: var(--text-sm);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  padding-right: var(--space-2);
  color: var(--gray-400);
}

.breadcrumb-item a {
  color: var(--primary);
  font-weight: var(--font-medium);
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--text-muted);
}

.breadcrumb-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin: 0;
  color: var(--text-primary);
}

/* ----------------------------------------
   14. HERO SECTION
   ---------------------------------------- */
.hero-section {
  position: relative;
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, var(--primary-soft) 0%, transparent 50%);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
}

.hero-description {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  position: relative;
  z-index: 2;
}

.hero-image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-badge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  background: var(--surface);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ----------------------------------------
   15. STATS SECTION
   ---------------------------------------- */
.stats-section {
  background: linear-gradient(135deg, #1A1A1A 0%, #0F0F0F 100%);
  color: var(--text-inverse);
  padding: var(--space-16) 0;
  position: relative;
  overflow: hidden;
}

.stats-background {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.stats-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.stats-section .section-label-light {
  background: rgba(181, 138, 114, 0.2);
  color: #D1B3A2;
  border: 1px solid rgba(181, 138, 114, 0.3);
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
  background: rgba(26, 26, 26, 0.8);
  border-radius: var(--radius-xl);
  border: 1px solid #2A2A2A;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.stat-item:hover {
  background: rgba(42, 42, 42, 0.9);
  transform: translateY(-4px);
  border-color: rgba(181, 138, 114, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stat-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(181, 138, 114, 0.3) 0%, rgba(181, 138, 114, 0.1) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: #D1B3A2;
  border: 1px solid rgba(181, 138, 114, 0.3);
  transition: all var(--transition-normal);
}

.stat-item:hover .stat-icon {
  transform: scale(1.1);
  background: linear-gradient(135deg, rgba(181, 138, 114, 0.4) 0%, rgba(181, 138, 114, 0.2) 100%);
}

.stat-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-none);
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  opacity: 0.85;
  letter-spacing: 0.02em;
}

.stat-bar {
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, #B58A72 0%, rgba(181, 138, 114, 0.3) 100%);
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
  transition: width var(--transition-normal);
}

.stat-item:hover .stat-bar {
  width: 60px;
}

@media (max-width: 767.98px) {
  .stats-section {
    padding: var(--space-12) 0;
  }

  .stat-icon {
    width: 52px;
    height: 52px;
    font-size: var(--text-xl);
  }

  .stat-number {
    font-size: var(--text-3xl);
  }

  .stat-item {
    padding: var(--space-4);
  }
}

/* ----------------------------------------
   16. FEATURE BOX
   ---------------------------------------- */
.feature-box {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

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

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--radius-lg);
  font-size: var(--text-xl);
}

.feature-content h5 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.feature-content p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0;
}

/* Value Card */
.value-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  transition: all var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-soft);
}

.value-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: var(--text-2xl);
  margin: 0 auto var(--space-5);
}

.value-card h4 {
  margin-bottom: var(--space-3);
}

.value-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0;
}

/* Premium Values Section */
.values-section {
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, var(--background) 0%, var(--surface) 100%);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.value-card-premium {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.value-card-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #B58A72, #D1B3A2);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.value-card-premium:hover::before {
  transform: scaleX(1);
}

.value-card-premium:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.value-card-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-soft), transparent);
  color: var(--primary);
  border-radius: var(--radius-lg);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}

.value-card-content h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.value-card-content p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.value-card-number {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--primary-soft);
  opacity: 0.5;
  line-height: 1;
}

@media (max-width: 991px) {
  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .value-card-premium {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    padding: var(--space-6);
  }

  .value-card-icon {
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .value-card-number {
    display: none;
  }
}

/* ----------------------------------------
   17. EMPTY STATE
   ---------------------------------------- */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  max-width: 400px;
  margin: 0 auto;
}

.empty-state-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  color: var(--gray-400);
  font-size: 2rem;
}

[data-theme="dark"] .empty-state-icon {
  background: var(--gray-800);
  color: var(--gray-500);
}

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

.empty-state-description {
  font-size: var(--text-base);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* ----------------------------------------
   18. ERROR PAGES (404, 500)
   ---------------------------------------- */
.error-page {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-4);
  text-align: center;
}

.error-page-content {
  max-width: 500px;
}

.error-page-code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 20vw, 10rem);
  font-weight: var(--font-bold);
  color: var(--primary-soft);
  line-height: 1;
  margin-bottom: var(--space-4);
  user-select: none;
}

[data-theme="dark"] .error-page-code {
  color: rgba(var(--primary-rgb), 0.2);
}

.error-page-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  font-size: 2.5rem;
}

.error-page-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.error-page-description {
  font-size: var(--text-lg);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.error-page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-10);
}

.error-page-search {
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-light);
}

.error-page-search-form {
  display: flex;
  gap: var(--space-2);
  max-width: 360px;
  margin: 0 auto;
}

.error-page-search-form .form-control {
  flex: 1;
}

/* ----------------------------------------
   19. FOOTER
   ---------------------------------------- */
footer {
  background-color: #0F0F0F;
  color: #CFCFCF;
  padding: var(--section-padding-y) 0 var(--space-8);
  margin-top: auto;
}

footer h6 {
  color: var(--text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-5);
}

footer a {
  color: #9A9A9A;
  text-decoration: none;
  transition: color var(--transition);
}

footer a:hover {
  color: #D1B3A2;
}

footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

footer li {
  margin-bottom: var(--space-3);
}

.footer-brand {
  margin-bottom: var(--space-5);
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-inverse);
  margin-bottom: var(--space-3);
}

.footer-brand-name span {
  color: #D1B3A2;
}

.footer-description {
  font-size: var(--text-sm);
  color: #9A9A9A;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

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

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #1A1A1A;
  border-radius: var(--radius-full);
  color: #9A9A9A;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: #B58A72;
  color: #FFFFFF;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.footer-contact-item i {
  color: #B58A72;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: var(--space-8);
  margin-top: var(--space-10);
  border-top: 1px solid #2A2A2A;
  text-align: center;
  font-size: var(--text-sm);
  color: #7A7A7A;
}

/* Mobile Footer Styles */
.footer-mobile-brand {
  text-align: center;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid #2A2A2A;
  margin-bottom: var(--space-6);
}

.footer-mobile-brand .footer-brand-name {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.footer-mobile-brand .footer-description {
  font-size: var(--text-sm);
  margin-bottom: var(--space-5);
  max-width: 280px;
  margin-left: auto;
  margin-right: auto;
}

.footer-mobile-cta {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer-cta-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  background: #1A1A1A;
  border-radius: var(--radius-lg);
  color: #CFCFCF;
  text-decoration: none;
  font-size: var(--text-xs);
  min-width: 70px;
  transition: all var(--transition);
}

.footer-cta-btn i {
  font-size: var(--text-lg);
}

.footer-cta-btn:hover {
  background: #B58A72;
  color: #FFFFFF;
}

.footer-cta-whatsapp:hover {
  background: #25D366;
}

.footer-cta-contact:hover {
  background: #D1B3A2;
}

.footer-mobile-brand .footer-social {
  justify-content: center;
}

.footer-mobile-brand .footer-social a {
  width: 36px;
  height: 36px;
}

.footer-mobile-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid #2A2A2A;
  margin-bottom: var(--space-6);
}

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

.footer-link-group a {
  color: #9A9A9A;
  text-decoration: none;
  font-size: var(--text-sm);
  padding: var(--space-2) 0;
  transition: color var(--transition);
}

.footer-link-group a:hover {
  color: #D1B3A2;
}

@media (max-width: 991px) {
  footer {
    padding: var(--space-10) 0 var(--space-6);
  }

  .footer-bottom {
    padding-top: var(--space-5);
    margin-top: 0;
    border-top: none;
  }

  .footer-bottom p {
    font-size: var(--text-xs);
    margin: 0;
  }
}

/* ----------------------------------------
   20. RICH TEXT CONTENT
   ---------------------------------------- */
.rich-text-content {
  color: var(--text-primary);
  font-size: var(--text-base);
  line-height: var(--leading-loose);
}

.rich-text-content h2 {
  font-size: var(--text-3xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.rich-text-content h3 {
  font-size: var(--text-2xl);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.rich-text-content h4 {
  font-size: var(--text-xl);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.rich-text-content p {
  margin-bottom: var(--space-5);
  color: var(--text-secondary);
}

.rich-text-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
}

.rich-text-content ul,
.rich-text-content ol {
  margin-bottom: var(--space-5);
  padding-left: var(--space-6);
}

.rich-text-content li {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

.rich-text-content blockquote {
  border-left: 4px solid var(--primary);
  padding-left: var(--space-5);
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--text-muted);
}

.rich-text-content a {
  color: var(--primary);
  text-decoration: underline;
}

.rich-text-content a:hover {
  color: var(--primary-dark);
}

/* ----------------------------------------
   21. THEME TOGGLE
   ---------------------------------------- */
#theme-toggle {
  cursor: pointer;
  font-size: 1.25rem;
  transition: all var(--transition);
  border: none;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--primary-soft);
  color: var(--primary);
}

#theme-toggle:hover {
  transform: rotate(15deg) scale(1.1);
  background: var(--primary);
  color: var(--text-inverse);
}

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade {
  animation: fadeIn 0.6s ease forwards;
}

.animate-fade-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-scale {
  animation: scaleIn 0.4s ease forwards;
}

/* Animation Delays */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* ----------------------------------------
   23. UTILITY CLASSES
   ---------------------------------------- */
/* Background Colors */
.bg-primary-soft { background-color: var(--primary-soft) !important; }
.bg-surface { background-color: var(--surface) !important; }
.bg-background { background-color: var(--background) !important; }

/* Text Colors */
.text-primary { color: var(--primary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }

/* Font */
.fw-medium { font-weight: var(--font-medium); }
.fw-semibold { font-weight: var(--font-semibold); }
.fw-bold { font-weight: var(--font-bold); }

/* Letter Spacing */
.ls-wide { letter-spacing: var(--tracking-wide); }
.ls-wider { letter-spacing: var(--tracking-wider); }
.ls-widest { letter-spacing: var(--tracking-widest); }

/* Text Balance */
.text-balance { text-wrap: balance; }

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

/* Icon Sizes */
.icon-sm { width: 32px; height: 32px; }
.icon-md { width: 48px; height: 48px; }
.icon-lg { width: 60px; height: 60px; }
.icon-xl { width: 80px; height: 80px; }

/* Aspect Ratios */
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-card { aspect-ratio: 16 / 10; }

/* Sticky */
.sticky-offset { top: 100px; }

/* Gap Utilities */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* ----------------------------------------
   24. RESPONSIVE STYLES
   ---------------------------------------- */
/* Mobile First - Base styles are for mobile */

/* Tablets (768px and up) */
@media (min-width: 768px) {
  .hero-section {
    padding: var(--space-20) 0;
  }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
  .navbar-nav {
    gap: var(--space-1);
  }
}

/* Mobile Specific */
@media (max-width: 767px) {
  .hero-section {
    padding: var(--space-12) 0;
    text-align: center;
  }

  .hero-description {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-image {
    margin-top: var(--space-8);
  }

  /* Disable hover transforms on touch */
  .premium-card:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }

  /* Active states for touch */
  .premium-card:active {
    transform: scale(0.99);
  }

  .btn:active {
    transform: scale(0.98);
    opacity: 0.9;
  }

  /* Mobile navigation */
  .navbar-collapse {
    padding: var(--space-4) 0;
  }

  .nav-link {
    padding: var(--space-3) var(--space-4) !important;
  }

  .navbar-actions {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-light);
    justify-content: center;
  }

  /* Footer mobile - handled by new mobile-specific layout */

  /* Error page mobile */
  .error-page-code {
    font-size: 5rem;
  }

  .error-page-actions {
    flex-direction: column;
  }

  .error-page-actions .btn {
    width: 100%;
  }
}

/* Touch device detection */
@media (hover: none) {
  .premium-card:hover {
    transform: none;
    box-shadow: var(--shadow);
  }

  .btn-primary:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print styles */
@media print {
  .navbar,
  footer,
  .btn,
  #theme-toggle {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }
}