/**
 * MissionMind.ai - Responsive Styles
 * ====================================
 * Mobile-first responsive breakpoints and adjustments.
 */

/* ===================
   BREAKPOINTS
   - xs: 0 - 479px (default mobile)
   - sm: 480px - 639px
   - md: 640px - 767px
   - lg: 768px - 1023px
   - xl: 1024px - 1279px
   - 2xl: 1280px+
   =================== */

/* ===================
   TABLET PORTRAIT (768px and below)
   =================== */
@media (max-width: 1023px) {
  /* Typography adjustments */
  h1 {
    font-size: var(--text-4xl);
  }

  h2, .section-title {
    font-size: var(--text-3xl);
  }

  /* Header */
  .nav-links {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  /* Mobile Navigation */
  .mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: var(--z-modal);
    overflow-y: auto;
  }

  .mobile-nav.active {
    transform: translateX(0);
  }

  .mobile-nav-links {
    list-style: none;
    margin-bottom: var(--space-6);
  }

  .mobile-nav-links li {
    border-bottom: 1px solid var(--color-gray-200);
  }

  .mobile-nav-links a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--color-gray-800);
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-16);
  }

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

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

  .hero-cta {
    flex-direction: column;
    gap: var(--space-3);
  }

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

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-6);
  }

  .hero-stat {
    flex: 1;
    min-width: 100px;
  }

  .hero-shapes {
    display: none;
  }

  /* Grids */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

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

  /* Solutions Accordion - Stack on tablet */
  .solutions-accordion-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .solutions-content-column {
    max-height: none;
    overflow-y: visible;
    order: 1;
  }

  .solutions-media-column {
    position: static;
    order: 2;
    margin-top: var(--space-6);
  }

  .platform-grid {
    /* Flex container - no grid needed */
  }

  .platform-section .container {
    padding: 0 var(--space-6);
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 2fr;
    gap: var(--space-6);
  }

  #footer-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  /* Section spacing */
  section {
    padding: var(--space-16) 0;
  }

  .section-header {
    margin-bottom: var(--space-10);
  }
}

/* ===================
   MOBILE LANDSCAPE (640px and below)
   =================== */
@media (max-width: 767px) {
  /* Typography */
  h1 {
    font-size: var(--text-3xl);
  }

  h2, .section-title {
    font-size: var(--text-2xl);
  }

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

  /* Container padding */
  .container {
    padding: 0 var(--space-4);
  }

  /* Hero */
  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-stat-value {
    font-size: var(--text-2xl);
  }

  /* Grids */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .platform-grid {
    /* Flex container - no grid needed */
  }

  /* Cards */
  .card,
  .feature-card {
    padding: var(--space-5);
  }

  /* Platform Section - Mobile */
  .platform-section .section-header {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-8);
  }

  .platform-section .section-title {
    white-space: normal;
    text-align: center;
  }

  .platform-section .section-description {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .platform-brand-image-container {
    margin: var(--space-10) auto var(--space-10) auto;
    justify-content: center;
  }

  .platform-brand-image {
    border-radius: var(--radius-2xl);
    margin: 0 auto;
  }

  .platform-context-container {
    margin: var(--space-8) auto var(--space-12) auto;
    padding: 0 var(--space-4);
    text-align: center;
  }

  .platform-context-paragraph {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    text-align: center;
  }

  .platform-card {
    padding: var(--space-6);
    margin: 0 auto;
  }

  .platform-card .card-icon {
    font-size: 3rem;
  }

  .platform-card .card-title {
    font-size: var(--text-xl);
  }

  /* Platform Flip Cards - Mobile */
  .platform-flip-card {
    min-height: 350px;
  }

  .platform-flip-inner {
    min-height: 350px;
  }

  .platform-flip-front,
  .platform-flip-back {
    min-height: 350px;
  }

  .platform-flip-icon {
    font-size: 4rem;
  }

  .platform-flip-icon .emoji-icon {
    font-size: 4rem;
  }

  .platform-flip-title {
    font-size: var(--text-2xl);
  }

  .platform-back-title {
    font-size: var(--text-2xl);
  }

  .platform-back-description p {
    font-size: var(--text-lg);
  }

  .platform-section .section-title {
    white-space: normal;
    text-align: center;
  }

  .platform-section .section-subtitle {
    text-align: center;
  }

  .platform-section .section-description {
    text-align: center;
  }

  /* Use cases */
  .use-case-metrics {
    flex-direction: column;
    gap: var(--space-4);
  }

  /* Dark Card CTA - Tablet */
  .cta-dark-section {
    padding: var(--space-16) 0;
  }

  .cta-dark-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--space-10);
    gap: var(--space-10);
    min-height: auto;
  }

  .cta-dark-image {
    min-height: 280px;
  }

  .cta-dark-agent {
    max-height: 320px;
  }

  .cta-dark-content {
    text-align: center;
    align-items: center;
  }

  .cta-dark-title {
    font-size: var(--text-3xl);
  }

  .cta-dark-text {
    font-size: var(--text-base);
    max-width: 100%;
  }

  .cta-dark-button {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .btn-cta-gradient {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  /* Pricing Page - Tablet */
  .pricing-hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  }

  .pricing-hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .pricing-hero-visual {
    order: 2;
  }

  .pricing-hero-content {
    order: 1;
  }

  .pricing-hero-illustration {
    max-width: 300px;
  }

  .pricing-hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .btn-pricing-primary,
  .btn-pricing-secondary {
    width: 100%;
    max-width: 360px;
  }

  .pricing-hero-trust-chips {
    justify-content: center;
  }

  .philosophy-card {
    padding: var(--space-10);
  }

  .estimator-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

  .compare-table th,
  .compare-table td {
    padding: var(--space-3);
  }

  .pricing-cta-card {
    padding: var(--space-10);
  }

  .pricing-cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-cta-primary,
  .btn-cta-secondary {
    width: 100%;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  #footer-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .footer-brand {
    text-align: center;
    max-width: 100%;
  }

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

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

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
  }

  /* Cookie consent */
  .cookie-consent {
    flex-direction: column;
    text-align: center;
  }

  /* Dark Card CTA - Mobile */
  .cta-dark-section {
    padding: var(--space-12) 0;
  }

  .cta-dark-card {
    padding: var(--space-8);
    gap: var(--space-8);
  }

  .cta-dark-image {
    min-height: 240px;
  }

  .cta-dark-agent {
    max-height: 280px;
  }

  .cta-dark-title {
    font-size: var(--text-2xl);
  }

  .cta-dark-text {
    font-size: var(--text-base);
  }

  .btn-cta-gradient {
    padding: var(--space-3) var(--space-8);
    font-size: var(--text-base);
    max-width: 100%;
  }

  /* Pricing Page - Mobile */
  .pricing-hero {
    padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-12);
  }

  .pricing-hero-title {
    font-size: var(--text-3xl);
  }

  .pricing-hero-subtitle {
    font-size: var(--text-base);
  }

  .pricing-hero-illustration {
    max-width: 250px;
  }

  .btn-pricing-primary,
  .btn-pricing-secondary {
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-6);
  }

  .trust-chip {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
  }

  .philosophy-card {
    padding: var(--space-8);
  }

  .philosophy-headline {
    font-size: var(--text-2xl);
  }

  .philosophy-description {
    font-size: var(--text-base);
  }

  .estimator-value {
    font-size: var(--text-xl);
  }

  .result-value {
    font-size: var(--text-2xl);
  }

  .compare-table-wrapper {
    overflow-x: scroll;
    -webkit-overflow-scrolling: touch;
  }

  .compare-table {
    min-width: 600px;
  }

  .faq-question {
    font-size: var(--text-base);
    padding: var(--space-4);
  }

  .faq-answer p {
    padding: 0 var(--space-4) var(--space-4) var(--space-4);
    font-size: var(--text-sm);
  }

  .pricing-cta-title {
    font-size: var(--text-2xl);
  }

  .pricing-cta-description {
    font-size: var(--text-base);
  }
}

/* ===================
   MOBILE PORTRAIT (480px and below)
   =================== */
@media (max-width: 479px) {
  /* Root adjustments */
  :root {
    --section-padding-y: var(--space-12);
  }

  /* Typography */
  h1 {
    font-size: var(--text-2xl);
  }

  h2, .section-title {
    font-size: var(--text-xl);
  }

  .section-description {
    font-size: var(--text-base);
  }

  /* Hero */
  .hero {
    padding-top: calc(var(--header-height) + var(--space-8));
    padding-bottom: var(--space-12);
  }

  .hero-subtitle {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
  }

  .hero-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
  }

  .hero-description {
    font-size: var(--text-base);
    margin-bottom: var(--space-6);
  }

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

  .hero-stat {
    min-width: 80px;
  }

  .hero-stat-value {
    font-size: var(--text-xl);
  }

  .hero-stat-label {
    font-size: var(--text-xs);
  }

  /* Buttons */
  .btn {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
  }

  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
  }

  /* Cards */
  .card-icon {
    width: 48px;
    height: 48px;
  }

  .card-icon svg {
    width: 24px;
    height: 24px;
  }

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

  /* Contact form */
  .contact-form {
    padding: var(--space-5);
  }

  /* Dark Card CTA - Extra Small Mobile */
  .cta-dark-section {
    padding: var(--space-10) 0;
  }

  .cta-dark-card {
    padding: var(--space-6) var(--space-5);
    gap: var(--space-6);
  }

  .cta-dark-image {
    min-height: 200px;
  }

  .cta-dark-agent {
    max-height: 240px;
  }

  .cta-dark-title {
    font-size: var(--text-xl);
  }

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

  .btn-cta-gradient {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
  }

  /* Pricing Page - Extra Small Mobile */
  .pricing-hero {
    padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-10);
  }

  .pricing-hero-title {
    font-size: var(--text-2xl);
  }

  .pricing-hero-subtitle {
    font-size: var(--text-sm);
  }

  .pricing-hero-illustration {
    max-width: 200px;
  }

  .btn-pricing-primary,
  .btn-pricing-secondary {
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-5);
  }

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

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

  .philosophy-headline {
    font-size: var(--text-xl);
  }

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

  .section-icon {
    width: 48px;
    height: 48px;
  }

  .section-icon svg {
    width: 24px;
    height: 24px;
  }

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

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

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

  .result-value {
    font-size: var(--text-xl);
  }

  .btn-results-primary,
  .btn-results-secondary {
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-4);
  }

  .faq-question {
    font-size: var(--text-sm);
    padding: var(--space-3);
  }

  .faq-answer p {
    padding: 0 var(--space-3) var(--space-3) var(--space-3);
    font-size: var(--text-xs);
  }

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

  .pricing-cta-title {
    font-size: var(--text-xl);
  }

  .pricing-cta-description {
    font-size: var(--text-sm);
  }

  .btn-cta-primary,
  .btn-cta-secondary {
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-6);
  }

  /* Testimonials Carousel - Mobile */
  .testimonials-carousel {
    padding: 0 var(--space-12);
  }

  .testimonials-track {
    min-height: 500px;
  }

  .testimonial-content {
    padding: var(--space-6);
  }

  .testimonial-headline {
    font-size: var(--text-xl);
  }

  .testimonial-quote {
    font-size: var(--text-base);
    margin-bottom: var(--space-6);
  }

  .testimonial-avatar {
    width: 48px;
    height: 48px;
    font-size: var(--text-base);
  }

  .testimonials-nav {
    width: 40px;
    height: 40px;
  }

  .testimonials-nav svg {
    width: 20px;
    height: 20px;
  }

  /* Footer */
  .footer {
    padding: var(--space-10) 0 var(--space-6);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-center {
    justify-content: flex-start;
  }

  #footer-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .footer-right {
    justify-content: flex-start;
  }

  .footer-bottom-links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  /* Citation image - smaller on mobile */
  .footer-citation-image {
    max-width: 250px;
  }
}

/* ===================
   LARGE SCREENS (1280px and above)
   =================== */
@media (min-width: 1280px) {
  .container {
    padding: 0 var(--space-8);
  }

  .hero-title {
    font-size: var(--text-7xl);
  }

  .section-title {
    font-size: var(--text-5xl);
  }

  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
  }

  .platform-grid {
    /* Flex container - no grid needed */
  }

  .platform-section .container {
    max-width: var(--container-2xl);
    padding: 0 var(--space-8);
  }

  /* Pricing Page - Desktop adjustments */
  .pricing-hero-grid {
    grid-template-columns: 50% 50%;
  }

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

/* ===================
   EXTRA LARGE SCREENS (1440px and above)
   =================== */
@media (min-width: 1440px) {
  html {
    font-size: 18px;
  }
}

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

  html {
    scroll-behavior: auto;
  }

  .fade-in,
  .slide-in-left,
  .slide-in-right {
    opacity: 1;
    transform: none;
  }
}

/* ===================
   PRINT STYLES
   =================== */
@media print {
  .header,
  .footer,
  .cookie-consent,
  .hero-shapes,
  .mobile-menu-toggle {
    display: none;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .hero {
    min-height: auto;
    padding: 20pt 0;
    background: none;
  }

  .hero-title,
  .hero-description {
    color: #000;
  }

  section {
    padding: 20pt 0;
    page-break-inside: avoid;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #666;
  }
}

/* ===================
   HIGH CONTRAST MODE
   =================== */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #0000ee;
    --color-gray-600: #000000;
    --border-color: #000000;
  }

  .btn {
    border-width: 3px;
  }

  .card {
    border: 2px solid var(--color-gray-900);
  }
}

/* ===================
   DARK MODE SUPPORT
   =================== */
@media (prefers-color-scheme: dark) {
  /* Only apply if user hasn't set a preference */
  :root:not(.light-mode) {
    /* Uncomment to enable automatic dark mode */
    /*
    --color-white: #111827;
    --color-gray-50: #1f2937;
    --color-gray-100: #374151;
    --color-gray-200: #4b5563;
    --color-gray-600: #d1d5db;
    --color-gray-700: #e5e7eb;
    --color-gray-800: #f3f4f6;
    --color-gray-900: #f9fafb;
    --card-bg: #1f2937;
    --header-bg: rgba(17, 24, 39, 0.95);
    --header-bg-scrolled: rgba(17, 24, 39, 0.98);
    */
  }
}

/* ===================
   TOUCH DEVICE OPTIMIZATIONS
   =================== */
@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects that don't work well on touch */
  .btn:hover {
    transform: none;
  }

  .card:hover {
    transform: none;
  }

  .nav-link::after {
    display: none;
  }

  /* Increase tap target sizes */
  .nav-link,
  .footer-links a {
    padding: var(--space-2) 0;
  }
}