/**
 * Unified Stack - Main Site Styles
 * Professional, accessible, and responsive design
 */

/* ===================================
   CSS Custom Properties
   =================================== */

:root {
  /* Colors - Professional palette with WCAG AA compliance */
  --color-primary: #2563eb;        /* Blue */
  --color-primary-dark: #1e40af;
  --color-primary-light: #3b82f6;

  --color-secondary: #64748b;      /* Slate */
  --color-secondary-dark: #475569;
  --color-secondary-light: #94a3b8;

  --color-accent: #0ea5e9;         /* Sky blue */
  --color-accent-dark: #0284c7;

  --color-success: #10b981;        /* Green */
  --color-error: #ef4444;          /* Red */
  --color-warning: #f59e0b;        /* Amber */

  --color-text-primary: #1e293b;   /* Dark slate */
  --color-text-secondary: #64748b;
  --color-text-light: #94a3b8;

  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-dark: #0f172a;

  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;

  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  --font-family-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;

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

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --spacing-xs: 0.25rem;    /* 4px */
  --spacing-sm: 0.5rem;     /* 8px */
  --spacing-md: 1rem;       /* 16px */
  --spacing-lg: 1.5rem;     /* 24px */
  --spacing-xl: 2rem;       /* 32px */
  --spacing-2xl: 3rem;      /* 48px */
  --spacing-3xl: 4rem;      /* 64px */
  --spacing-4xl: 6rem;      /* 96px */

  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

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

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ===================================
   CSS Reset & Base Styles
   =================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

/* Prevent menu open body scroll */
body.menu-open {
  overflow: hidden;
}

/* ===================================
   Typography
   =================================== */

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

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

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

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

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

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

ul, ol {
  margin-bottom: var(--spacing-md);
}

strong {
  font-weight: var(--font-weight-semibold);
}

/* ===================================
   Layout Utilities
   =================================== */

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

.section {
  padding: var(--spacing-4xl) 0;
}

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

/* ===================================
   Accessibility
   =================================== */

/* Skip Link */
.skip-link {
  position: absolute;
  top: -999px;
  left: -999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: var(--z-tooltip);
}

.skip-link:focus {
  top: var(--spacing-md);
  left: var(--spacing-md);
  width: auto;
  height: auto;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

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

/* Focus Visible - Enhanced keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Hidden utility */
.hidden {
  display: none !important;
}

/* ===================================
   Header & Navigation
   =================================== */

header {
  background-color: var(--color-bg-dark);
  color: white;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-md);
}

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

.logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: white;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.9;
  text-decoration: none;
}

.logo:focus {
  outline-color: white;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  width: 44px;
  height: 44px;
  position: relative;
}

.hamburger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: white;
  position: relative;
  transition: background-color var(--transition-fast);
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: white;
  transition: transform var(--transition-base);
}

.hamburger-icon::before {
  top: -8px;
}

.hamburger-icon::after {
  bottom: -8px;
}

/* Hamburger animation when menu is open */
.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon {
  background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon::before {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon::after {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  margin: 0;
}

.nav-menu a {
  color: white;
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

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

.nav-menu a:hover::after {
  width: 100%;
}

/* ===================================
   Hero Section
   =================================== */

.hero {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1e3a5f 100%);
  color: white;
  padding: var(--spacing-4xl) var(--container-padding);
  text-align: center;
}

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

.hero h1 {
  color: white;
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
}

.hero-tagline {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-2xl);
}

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

/* ===================================
   About Section
   =================================== */

.about {
  padding: var(--spacing-4xl) var(--container-padding);
  background-color: var(--color-bg-secondary);
}

.about-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.about h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.about-intro {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
  line-height: var(--line-height-relaxed);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

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

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

.value-item h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.value-item p {
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: var(--line-height-relaxed);
}

/* ===================================
   Tools Section
   =================================== */

.tools {
  padding: var(--spacing-4xl) var(--container-padding);
}

.tools-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.tools h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.tools-intro {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3xl);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.tool-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
}

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

.tool-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.tool-card h3 {
  color: var(--color-text-primary);
  font-size: var(--font-size-2xl);
  margin-bottom: 0;
}

.tool-status {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-accent);
  color: white;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tool-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.tool-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  padding-left: 0;
}

.tool-features li {
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.tool-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

.tool-card-placeholder {
  background-color: var(--color-bg-secondary);
  border-style: dashed;
}

.tool-card-placeholder:hover {
  transform: none;
  box-shadow: none;
}

/* ===================================
   Contact Section
   =================================== */

.contact {
  padding: var(--spacing-4xl) var(--container-padding);
  background-color: var(--color-bg-secondary);
}

.contact-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.contact h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.contact-intro {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
}

.contact-info h3 {
  margin-bottom: var(--spacing-lg);
}

.contact-info address {
  font-style: normal;
  margin-bottom: var(--spacing-lg);
}

.contact-info p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.contact-response-time {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ===================================
   Suggestions Section
   =================================== */

.suggestions {
  padding: var(--spacing-4xl) var(--container-padding);
}

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

.suggestions h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.suggestions-intro {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3xl);
}

/* ===================================
   Forms
   =================================== */

.contact-form,
.suggestions-form {
  background-color: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form-container h3,
.suggestions-form h3 {
  margin-bottom: var(--spacing-lg);
}

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

label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.required {
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
textarea::placeholder {
  color: var(--color-text-light);
}

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

/* Form Validation States */
.field-error {
  border-color: var(--color-error);
}

.field-error:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.form-status {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  display: none;
}

.form-status:not(:empty) {
  display: block;
}

.form-status-success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.form-status-error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.form-actions {
  margin-top: var(--spacing-xl);
}

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  min-width: 120px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

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

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

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

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

.btn-tool {
  background-color: var(--color-accent);
  color: white;
  width: 100%;
}

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

button[type="submit"] {
  width: 100%;
}

/* ===================================
   Footer
   =================================== */

footer {
  background-color: var(--color-bg-dark);
  color: white;
  padding: var(--spacing-3xl) var(--container-padding) var(--spacing-xl);
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand {
  padding-right: var(--spacing-xl);
}

.footer-logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

.footer-tagline {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.footer-nav-group h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: white;
}

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

.footer-nav-group li {
  margin-bottom: var(--spacing-sm);
}

.footer-nav-group a,
.cookie-settings-link {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-nav-group a:hover,
.cookie-settings-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.cookie-settings-link {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-family-base);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.copyright {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* ===================================
   Cookie Consent Banner
   =================================== */

.cookie-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg-dark);
  color: white;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-consent-banner-fade-out {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(100%);
  }
}

.cookie-consent-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.cookie-consent-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: white;
}

.cookie-consent-description {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.cookie-consent-link {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-consent-link:hover {
  color: var(--color-accent-dark);
}

.cookie-consent-buttons {
  display: flex;
  gap: var(--spacing-md);
}

.cookie-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  min-width: 100px;
}

.cookie-btn:hover {
  transform: translateY(-2px);
}

.cookie-accept {
  background-color: var(--color-primary);
  color: white;
}

.cookie-accept:hover {
  background-color: var(--color-primary-dark);
}

.cookie-decline {
  background-color: var(--color-secondary);
  color: white;
}

.cookie-decline:hover {
  background-color: var(--color-secondary-dark);
}

.cookie-close {
  background-color: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-close:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Cookie Preferences Modal */
.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

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

.cookie-modal-fade-out {
  animation: fadeOut 0.3s ease;
}

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

.cookie-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
}

.cookie-modal-content {
  position: relative;
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 90%;
  z-index: var(--z-modal);
  box-shadow: var(--shadow-xl);
}

.cookie-modal-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.cookie-modal-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.cookie-preference-status {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.cookie-preference-status p {
  margin: 0;
  font-size: var(--font-size-sm);
}

.cookie-modal-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.cookie-modal-buttons .cookie-btn {
  width: 100%;
}

.cookie-modal-info {
  text-align: center;
  font-size: var(--font-size-sm);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet (768px and below) */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }

  .hero {
    padding: var(--spacing-3xl) var(--container-padding);
  }

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

  .hero-tagline {
    font-size: var(--font-size-xl);
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .cookie-consent-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-consent-buttons {
    width: 100%;
    flex-direction: column;
  }

  .cookie-btn {
    width: 100%;
  }
}

/* Mobile (600px and below) */
@media (max-width: 600px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg-dark);
    padding: var(--spacing-lg);
    gap: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--transition-base), opacity var(--transition-base);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu li {
    margin-bottom: var(--spacing-md);
  }

  .nav-menu a {
    display: block;
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-lg);
  }

  .nav-menu a::after {
    display: none;
  }

  .nav-menu-open {
    max-height: 400px;
    opacity: 1;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: 1;
  }

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

/* Small mobile (375px and below) */
@media (max-width: 375px) {
  :root {
    --container-padding: 1rem;
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
  }
}