/* ==========================================================================
   Consulting Company Website Styles
   Modern, Professional Business Aesthetic
   ========================================================================== */

/* ==========================================================================
   1. CSS Variables & Root Styles
   ========================================================================== */
:root {
  /* Colors */
  --color-primary: #1a365d;
  --color-primary-light: #2a4a7f;
  --color-primary-dark: #0f2442;
  --color-accent: #d69e2e;
  --color-accent-hover: #c68f1f;
  --color-accent-light: #ecc94b;
  --color-white: #ffffff;
  --color-gray-50: #f7fafc;
  --color-gray-100: #edf2f7;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e0;
  --color-gray-400: #a0aec0;
  --color-gray-500: #718096;
  --color-gray-600: #4a5568;
  --color-gray-700: #2d3748;
  --color-gray-800: #1a202c;
  --color-gray-900: #171923;
  --color-error: #c53030;
  --color-error-light: #fed7d7;
  --color-success: #38a169;
  --text-light: #718096;
   
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --line-height-base: 1.6;
  --line-height-tight: 1.25;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 90px;
  --border-radius: 4px;
  --border-radius-lg: 8px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* ==========================================================================
   2. Global Styles & Reset
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--header-height);
}

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

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

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

ul,
ol {
  list-style: none;
}

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

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

/* ==========================================================================
   3. Accessibility - Skip to Content
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-md);
  color: var(--color-white);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ==========================================================================
   4. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-gray-800);
  line-height: var(--line-height-tight);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

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

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

.text--large {
  font-size: var(--font-size-lg);
}

/* ==========================================================================
   5. Layout & Container
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.section__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
  margin: var(--spacing-md) auto 0;
  border-radius: 2px;
}

.section__subtitle {
  text-align: center;
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
}

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

.section-title h2 {
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-title p {
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================================================
   6. Header & Navigation - Enhanced
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 90px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    z-index: 1000;
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.header--scrolled {
    height: 80px;
    background: var(--color-white);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo Styles - More Prominent */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-white);
    text-decoration: none;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
}

.logo:hover {
    color: var(--color-accent);
    transform: scale(1.02);
}

.logo span {
    color: var(--color-accent);
    font-weight: 700;
}

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

.header--scrolled .logo span {
    color: var(--color-accent);
}

/* Logo Icon/Badge */
.logo::before {
    content: 'BB';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 800;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(214, 158, 46, 0.4);
    transition: all var(--transition-fast);
}

.logo:hover::before {
    background: var(--color-white);
    color: var(--color-accent);
    transform: rotate(-5deg);
}

.header--scrolled .logo::before {
    background: var(--color-primary);
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
}

.header--scrolled .logo:hover::before {
    background: var(--color-accent);
    color: var(--color-white);
}

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

.nav a {
    position: relative;
    color: var(--color-white);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 10px 20px;
    text-decoration: none;
    transition: all var(--transition-fast);
    border-radius: var(--border-radius);
}

.nav a:hover {
    color: var(--color-accent);
    background: rgba(255, 255, 255, 0.1);
}

.nav a.active {
    color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
    transition: width var(--transition-fast);
}

.nav a:hover::after,
.nav a.active::after {
    width: calc(100% - 40px);
}

.header--scrolled .nav a {
    color: var(--color-gray-700);
}

.header--scrolled .nav a:hover,
.header--scrolled .nav a.active {
    color: var(--color-primary);
    background: var(--color-gray-100);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 32px;
    height: 24px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.header--scrolled .mobile-menu-btn span {
    background-color: var(--color-primary);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* Mobile Navigation */
@media screen and (max-width: 768px) {
    .header {
        height: 80px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-sm);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav a {
        width: 100%;
        text-align: center;
        padding: 15px 20px;
        font-size: 1.1rem;
    }
    
    .nav a::after {
        display: none;
    }
}

/* ==========================================================================
   7. Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
  background-size: 100px 100px;
  opacity: 0.5;
}

.hero__content {
  position: relative;
  text-align: center;
  color: var(--color-white);
  max-width: 800px;
  padding: var(--spacing-xl);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-xl);
}

.hero-content h1 {
  color: var(--color-white);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}

.hero-content p {
  font-size: 1.125rem;
  opacity: 0.95;
  margin-bottom: var(--spacing-xl);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  line-height: 1.2;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  color: var(--color-white);
}

.hero__cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   8. Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
  text-align: center;
}

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

/* Primary Button */
.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

/* Secondary Button */
.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--secondary:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

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

/* Accent Button */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

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

/* Dark variant for light backgrounds */
.btn--primary-dark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

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

/* Secondary dark variant */
.btn--secondary-dark {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary-dark:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Button sizes */
.btn--small {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn--large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

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

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

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

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

/* ==========================================================================
   9. Cards & Service Boxes
   ========================================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card__icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  font-size: 1.5rem;
}

.card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.card__text {
  color: var(--color-gray-600);
  margin-bottom: 0;
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  margin: calc(var(--spacing-xl) * -1);
  margin-bottom: var(--spacing-lg);
}

.card--with-image {
  padding-top: 0;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

@media screen and (max-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 576px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* Service Card */
.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.service-card h3 {
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-sm);
  color: var(--color-primary);
}

.service-card p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-gray-600);
}

/* ==========================================================================
   10. Forms
   ========================================================================== */
.form {
  max-width: 500px;
}

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

.form__label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.form__label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  background-color: var(--color-white);
  color: var(--color-gray-700);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form__input:hover,
.form__textarea:hover,
.form__select:hover {
  border-color: var(--color-gray-300);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

/* Error State */
.form__input--error,
.form__textarea--error,
.form__select--error {
  border-color: var(--color-error);
  background-color: var(--color-error-light);
}

.form__input--error:focus,
.form__textarea--error:focus,
.form__select--error:focus {
  box-shadow: 0 0 0 3px rgba(197, 48, 48, 0.1);
}

.form__error {
  display: block;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

/* Checkbox */
.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form__checkbox-input {
  position: relative;
  width: 20px;
  height: 20px;
  appearance: none;
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all var(--transition-fast);
}

.form__checkbox-input:hover {
  border-color: var(--color-primary);
}

.form__checkbox-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form__checkbox-input:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 12px;
  border: solid var(--color-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form__checkbox-input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.form__checkbox-label {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.form__checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Submit Button */
.form__submit {
  width: 100%;
  margin-top: var(--spacing-md);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    background-color: var(--color-white);
    color: var(--color-gray-700);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 44px;
    font-size: var(--font-size-base);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: var(--color-gray-300);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-group.checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    margin-top: 2px;
    accent-color: var(--color-accent);
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.5;
}

.form-group.checkbox label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-section {
  background: var(--color-gray-50);
}

/* ==========================================================================
   11. Footer
   ========================================================================== */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__brand {
  grid-column: span 1;
}

.footer__logo {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer__logo:hover {
  color: var(--color-white);
}

.footer__description {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
  color: var(--color-gray-400);
}

.footer__column {
  padding-top: var(--spacing-sm);
}

.footer__title {
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.footer__contact-icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

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

.footer__legal-link {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: var(--color-accent);
}

/* Footer content and section styles */
.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    color: var(--color-white);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-section p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-section ul li a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--color-accent);
}

.footer-section a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--spacing-xl);
    text-align: center;
}

.footer-bottom .disclaimer {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-bottom p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

@media screen and (max-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media screen and (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ==========================================================================
   12. Cookie Consent Banner
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(26, 32, 44, 0.98);
  color: var(--color-white);
  padding: var(--spacing-lg);
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(100%);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.cookie-banner--visible,
.cookie-banner.show {
  opacity: 1;
  transform: translateY(0);
}

.cookie-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  text-align: center;
}

.cookie-content p {
  margin: 0;
  color: var(--color-gray-300);
}

.cookie-content a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.cookie-banner__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.cookie-banner__content {
  flex: 1;
}

.cookie-banner__title {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.cookie-banner__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  margin-bottom: 0;
}

.cookie-banner__text a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.cookie-banner__btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
}

.cookie-banner__btn--accept {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

.cookie-banner__btn--accept:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.cookie-banner__btn--decline {
  background-color: transparent;
  color: var(--color-gray-300);
  border: 2px solid var(--color-gray-600);
}

.cookie-banner__btn--decline:hover {
  border-color: var(--color-gray-400);
  color: var(--color-white);
}

.cookie-banner__btn--settings {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.cookie-banner__btn--settings:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* Cookie Settings Modal */
.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.cookie-modal--visible,
.cookie-modal.show {
  opacity: 1;
  visibility: visible;
}

.cookie-modal__content,
.cookie-modal-content {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.cookie-modal--visible .cookie-modal__content,
.cookie-modal.show .cookie-modal-content {
  transform: scale(1);
}

.cookie-modal__header,
.cookie-modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cookie-modal__title,
.cookie-modal-header h2 {
  font-size: var(--font-size-xl);
  color: var(--color-gray-800);
  margin-bottom: 0;
}

.cookie-modal__close,
.cookie-modal-close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.cookie-modal__close:hover,
.cookie-modal-close:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.cookie-modal__body,
.cookie-modal-body {
  padding: var(--spacing-lg);
}

.cookie-modal__description,
.cookie-modal-body p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.cookie-modal__category,
.cookie-category {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-100);
}

.cookie-modal__category:last-child,
.cookie-category:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.cookie-modal__category-header,
.cookie-category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.cookie-modal__category-name,
.cookie-category-header label {
  font-weight: 600;
  color: var(--color-gray-800);
}

.cookie-modal__category-status,
.cookie-category-header input[type="checkbox"] {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.cookie-category-header input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-accent);
}

.cookie-modal__category-text,
.cookie-category-desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: 0;
  line-height: 1.5;
}

.cookie-modal__footer,
.cookie-modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

/* Toggle Switch */
.toggle {
  position: relative;
  width: 48px;
  height: 26px;
}

.toggle__input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle__slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-gray-300);
  border-radius: 26px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.toggle__slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-white);
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.toggle__input:checked + .toggle__slider {
  background-color: var(--color-accent);
}

.toggle__input:checked + .toggle__slider::before {
  transform: translateX(22px);
}

.toggle__input:focus-visible + .toggle__slider {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.toggle__input:disabled + .toggle__slider {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==========================================================================
   13. Utility Classes
   ========================================================================== */
.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;
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* ==========================================================================
   14. Responsive Styles
   ========================================================================== */

/* Tablet (768px) */
@media screen and (max-width: 768px) {
  :root {
    --header-height: 80px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  /* Navigation Mobile */
  .nav__toggle {
    display: flex;
  }
  
  .nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }
  
  .nav__list--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav__link {
    display: block;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-100);
  }
  
  .nav__link::after {
    display: none;
  }
  
  .nav__link:hover {
    background-color: var(--color-gray-50);
  }
  
  /* Hero */
  .hero {
    min-height: calc(100vh - var(--header-height));
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .hero__subtitle {
    font-size: var(--font-size-base);
  }
  
  /* Cards */
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  /* Footer */
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
  
  .footer__brand {
    grid-column: span 2;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  /* Cookie Banner */
  .cookie-banner__container {
    flex-direction: column;
  }
  
  .cookie-banner__actions {
    justify-content: center;
  }
}

/* Mobile (480px) */
@media screen and (max-width: 480px) {
  :root {
    --header-height: 70px;
  }
  
  html {
    font-size: 14px;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.125rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  /* Hero */
  .hero__title {
    font-size: 1.75rem;
  }
  
  .hero__cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__cta .btn {
    width: 100%;
  }
  
  /* Cards */
  .card {
    padding: var(--spacing-lg);
  }
  
  .card__image {
    height: 180px;
  }
  
  /* Forms */
  .form__input,
  .form__textarea,
  .form__select {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  /* Footer */
  .footer {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer__brand {
    grid-column: span 1;
  }
  
  .footer__legal {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  /* Cookie Banner */
  .cookie-banner {
    padding: var(--spacing-md);
  }
  
  .cookie-banner__actions {
    flex-direction: column;
  }
  
  .cookie-banner__btn {
    width: 100%;
  }
  
  /* Cookie Modal */
  .cookie-modal__header,
  .cookie-modal__body,
  .cookie-modal__footer {
    padding: var(--spacing-md);
  }
  
  .cookie-modal__footer {
    flex-direction: column;
  }
  
  .cookie-modal__footer .btn {
    width: 100%;
  }
}

/* ==========================================================================
   15. Focus Visible States (Accessibility)
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
  outline: none;
}

/* ==========================================================================
   16. Print Styles
   ========================================================================== */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  .header,
  .cookie-banner,
  .cookie-modal {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
  }
}

/* ==========================================================================
   17. Page Header & Legal Content Styles
   ========================================================================== */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: calc(var(--spacing-3xl) + var(--header-height)) 0 var(--spacing-3xl);
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-lg);
  margin-bottom: 0;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  color: var(--color-gray-800);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.legal-content h3 {
  color: var(--color-gray-700);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.legal-content p {
  color: var(--color-gray-600);
  line-height: 1.7;
}

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

.legal-content ul li {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

/* ==========================================================================
   18. Service Detail Styles
   ========================================================================== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-bottom: var(--spacing-3xl);
}

.service-detail:last-child {
  margin-bottom: 0;
}

.service-detail img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.service-detail h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.service-detail p {
  color: var(--color-gray-600);
  line-height: 1.7;
}

.service-detail ul {
  list-style: disc;
  margin: var(--spacing-lg) 0;
  margin-left: var(--spacing-xl);
}

.service-detail ul li {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-sm);
}

.service-detail.reverse {
    direction: rtl;
}

.service-detail.reverse > * {
    direction: ltr;
}

.service-detail.reverse img {
    direction: ltr;
}

@media screen and (max-width: 768px) {
  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* ==========================================================================
   19. Contact Page Styles
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.contact-info h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.contact-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-item .icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background-color: var(--color-gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.contact-item h3 {
  font-size: var(--font-size-base);
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-xs);
}

.contact-item p {
  color: var(--color-gray-600);
  margin-bottom: 0;
  line-height: 1.6;
}

.map-container {
  margin-top: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 300px;
  border: none;
}

@media screen and (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

/* ==========================================================================
   20. Why Choose Section Styles
   ========================================================================== */
.why-choose {
  background-color: var(--color-gray-50);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.why-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.why-item .icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.why-item h3 {
  color: var(--color-gray-800);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.why-item p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

@media screen and (max-width: 992px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 480px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   21. About Page Styles
   ========================================================================== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-bottom: var(--spacing-3xl);
}

.about-content.reverse {
  direction: rtl;
}

.about-content.reverse > * {
  direction: ltr;
}

.about-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

@media screen and (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .about-content.reverse {
    direction: ltr;
  }
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.value-card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-base);
}

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

.value-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

@media screen and (max-width: 992px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 576px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   22. Focus Visible States (Accessibility) - Additional
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
  outline: none;
}