/* ===================================
   INDIVIDSKYDD.SE - STYLES
   Svensk infrastruktur för känslig data
   =================================== */

/* ==================== CSS VARIABLES ==================== */

:root {
  /* Färger */
  --color-primary: #0369a1;
  --color-primary-dark: #075985;
  --color-primary-light: #0ea5e9;
  --color-secondary: #15803d;
  --color-accent: #7c3aed;
  --color-warning: #ca8a04;
  
  /* Grays */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Status */
  --color-success: #15803d;
  --color-success-light: #dcfce7;
  --color-success-dark: #14532d;
  --color-error: #dc2626;
  --color-error-light: #fef2f2;
  --color-error-dark: #7f1d1d;
  
  /* Blues */
  --color-blue-50: #eff6ff;
  --color-blue-100: #dbeafe;
  --color-blue-800: #1e40af;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

/* ==================== RESET & BASE ==================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--color-gray-900);
  background: var(--color-gray-50);
}

/* ==================== UTILITY CLASSES ==================== */

.hidden {
  display: none !important;
}

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

/* ==================== LAYOUT ==================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-light {
  padding: var(--spacing-2xl) var(--spacing-md);
  background: #ffffff;
}

.section-dark {
  padding: var(--spacing-2xl) var(--spacing-md);
  background: var(--color-gray-900);
  color: #ffffff;
}

.section-contact {
  padding: var(--spacing-2xl) var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue-800) 100%);
  color: #ffffff;
}

/* ==================== HEADER ==================== */

.header {
  background: #ffffff;
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
}

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

.header-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--color-gray-600);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-cta {
  background: var(--color-primary);
  color: #ffffff;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: background var(--transition-fast);
}

.nav-cta:hover {
  background: var(--color-primary-dark);
}

@media (max-width: 768px) {
  .header-links {
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    display: none;
  }
}

/* ==================== HERO ==================== */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue-800) 100%);
  color: #ffffff;
  padding: var(--spacing-2xl) var(--spacing-md);
}

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

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 2rem;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-size: 3.75rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-blue-100);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.btn-primary {
  background: #ffffff;
  color: var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 0.75rem;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-gray-100);
  transform: translateY(-2px);
}

.btn-secondary {
  border: 2px solid #ffffff;
  color: #ffffff;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 0.75rem;
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-trust {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--color-blue-100);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.trust-icon {
  width: 1.25rem;
  height: 1.25rem;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
}

/* ==================== SECTIONS ==================== */

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-gray-500);
  max-width: 800px;
  margin: 0 auto;
}

.section-dark .section-subtitle {
  color: var(--color-gray-400);
}

.section-contact .section-subtitle {
  color: var(--color-blue-100);
}

/* ==================== FEATURES ==================== */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background: #ffffff;
  border: 2px solid var(--color-gray-200);
  border-radius: 1rem;
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

.feature-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: #ffffff;
}

.feature-icon.bg-green {
  background: var(--color-secondary);
}

.feature-icon.bg-blue {
  background: var(--color-primary);
}

.feature-icon.bg-purple {
  background: var(--color-accent);
}

.feature-icon.bg-yellow {
  background: var(--color-warning);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-text {
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ==================== SECURITY ==================== */

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

.security-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.security-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

.security-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.security-item {
  background: var(--color-gray-800);
  border-left: 4px solid var(--color-primary);
  padding: 1.25rem;
  border-radius: 0.5rem;
}

.security-item h4 {
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.security-item p {
  color: var(--color-gray-300);
  font-size: 0.875rem;
}

.security-guarantee {
  background: rgba(3, 105, 161, 0.2);
  border: 1px solid rgba(3, 105, 161, 0.3);
  border-radius: 1rem;
  padding: var(--spacing-lg);
}

.guarantee-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
}

.guarantee-number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.guarantee-text {
  color: var(--color-gray-300);
  font-size: 0.875rem;
}

/* ==================== USE CASES ==================== */

.use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.use-case {
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  border-radius: 0.75rem;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.use-case:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.use-case-icon {
  font-size: 2rem;
}

.use-case-text {
  font-weight: 600;
  color: var(--color-gray-900);
}

/* ==================== CONTACT FORM ==================== */

.contact-form-wrapper {
  background: #ffffff;
  border-radius: 1rem;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-label {
  font-weight: 600;
  color: var(--color-gray-900);
  font-size: 0.875rem;
}

.form-input {
  padding: var(--spacing-sm);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.1);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input.error {
  border-color: var(--color-error);
}

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

.form-privacy {
  background: var(--color-blue-100);
  border: 1px solid #93c5fd;
  border-radius: 0.5rem;
  padding: var(--spacing-sm);
  font-size: 0.875rem;
  color: #1e3a8a;
}

.form-submit {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue-800) 100%);
  color: #ffffff;
  padding: 1.25rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.form-submit:hover:not(:disabled) {
  transform: scale(1.02);
  box-shadow: 0 10px 25px -5px rgba(3, 105, 161, 0.3);
}

.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-submit .spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.5rem;
}

.form-message {
  padding: var(--spacing-sm);
  border-radius: 0.5rem;
  text-align: center;
  font-weight: 500;
}

.form-message.success {
  background: var(--color-success-light);
  border: 2px solid var(--color-success);
  color: var(--color-success-dark);
}

.form-message.error {
  background: var(--color-error-light);
  border: 2px solid var(--color-error);
  color: var(--color-error-dark);
}

.contact-alternative {
  text-align: center;
  color: var(--color-blue-100);
}

.contact-alternative p {
  margin-bottom: var(--spacing-sm);
}

.contact-methods {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: #ffffff;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-method:hover {
  color: var(--color-blue-100);
}

.contact-method svg {
  width: 1.25rem;
  height: 1.25rem;
}

@media (max-width: 768px) {
  .contact-form-wrapper {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ==================== FOOTER ==================== */

.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--spacing-xl) var(--spacing-md);
  border-top: 1px solid var(--color-gray-800);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.footer-logo .logo-text {
  font-size: 1.25rem;
  color: #ffffff;
}

.footer-description {
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-heading {
  color: #ffffff;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-list a {
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-list a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-800);
  text-align: center;
  font-size: 0.875rem;
}

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

/* ==================== ANIMATIONS ==================== */

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

.spinner {
  animation: spin 1s linear infinite;
}

/* ==================== ACCESSIBILITY ==================== */

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

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==================== PRINT ==================== */

@media print {
  .header,
  .footer,
  .section-contact {
    display: none;
  }
  
  body {
    background: #ffffff;
  }
}

/* ==================== HEADER-FAVICON ==================== */

.header-favicon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.footer-favicon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  padding: 3px;
  box-shadow: 0 0 6px rgba(255,255,255,0.2);
  object-fit: cover;
}