/* Responsive Design - Mobile First */

/* Base Mobile Styles (320px and up) */
* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  overflow-x: hidden;
}

/* Container base styles */
.container {
  width: 100%;
  max-width: none;
  padding: 0 20px;
  margin: 0;
}

/* Mobile Navigation Fixes */
.header {
  padding: 10px 0 !important;
  margin: 0 !important;
  width: 100% !important;
}

.nav {
  padding: 10px 15px !important;
  flex-wrap: wrap;
}

/* Mobile devices (default styles) */
.text-generation-container {
  height: auto;
  min-height: 400px;
}

.text-generation-output {
  min-height: 200px;
}

.showcase--fullwidth .container {
  padding: 0 15px;
}

.showcase__content--fullwidth {
  padding: 20px 15px;
}

/* Hero Section Mobile */
.hero {
  padding: 80px 15px 40px !important;
  min-height: auto !important;
}

.hero__content {
  padding: 0;
}

.hero__title-container {
  flex-direction: column !important;
  gap: 30px !important;
  margin-bottom: 40px !important;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3rem) !important;
  text-align: center !important;
}

.hero__subtitle {
  font-size: 1rem !important;
  text-align: center !important;
}

.hero__subtitle-wrapper {
  max-width: 100% !important;
  text-align: center !important;
}

/* Services Grid Mobile */
.services-grid {
  grid-template-columns: 1fr !important;
  gap: 15px !important;
  padding: 0;
  width: 100% !important;
  max-width: none !important;
}

.service-card {
  padding: 30px 20px !important;
  margin: 0;
}

/* Stats Section Mobile */
.stats-grid {
  grid-template-columns: 1fr !important;
  gap: 30px !important;
}

/* Demo Section Mobile */
.demo-container {
  padding: 30px 20px !important;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 3px 0;
  transition: all 0.3s;
}

/* Hide desktop navigation on mobile */
@media (max-width: 767px) {
  .nav__menu {
    display: none !important;
  }

  .nav__actions {
    gap: 10px !important;
  }

  .nav__brand span {
    font-size: 1rem !important;
  }

  .logo-container {
    width: 30px !important;
    height: 30px !important;
  }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  .hero__title {
    font-size: var(--font-size-6xl);
  }

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

  .services__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  .input-group__actions {
    flex-direction: row;
  }
  
  .text-generation-container {
    height: 550px;
  }
  
  .showcase--fullwidth .container {
    padding: 0 var(--spacing-lg);
  }
  
  .showcase__content--fullwidth {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
}

/* Tablet devices (768px and up) */
@media (min-width: 768px) {
  .container {
    width: 100%;
    max-width: none;
    padding: 0 20px;
  }

  /* Navigation for tablets */
  .header {
    padding: 15px 0 !important;
  }

  .nav {
    padding: 15px 20px !important;
    flex-wrap: nowrap;
  }

  .nav__menu {
    display: flex !important;
    gap: 25px !important;
  }

  .mobile-menu-toggle {
    display: none !important;
  }

  /* Hero adjustments for tablets */
  .hero {
    padding: 100px 20px 60px !important;
  }

  .hero__title-container {
    flex-direction: row !important;
    gap: 60px !important;
    margin-bottom: 50px !important;
    justify-content: center;
    align-items: center;
  }

  .hero__title {
    font-size: clamp(2.5rem, 5vw, 3.5rem) !important;
    text-align: left !important;
  }

  .hero__subtitle {
    font-size: 1.1rem !important;
    text-align: left !important;
  }

  .hero__subtitle-wrapper {
    max-width: 350px !important;
  }

  /* Services grid for tablets */
  .services-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0;
  }

  .service-card {
    padding: 35px !important;
  }

  /* Stats grid for tablets */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 35px !important;
  }

  /* Demo container for tablets */
  .demo-container {
    padding: 50px 40px !important;
  }

  .text-generation-container {
    height: 500px;
  }

  /* Additional tablet styles */
  .hero__content {
    text-align: center;
  }

  .showcase--fullwidth .container {
    padding: 0 20px;
  }

  .showcase__content--fullwidth {
    padding: 30px 20px;
  }

  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .text-generation-container {
    height: 600px;
  }
  
  .showcase--fullwidth .container {
    padding: 0 var(--spacing-xl);
  }
  
  .showcase__content--fullwidth {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
  .container {
    width: 100%;
    max-width: none;
    padding: 0 30px;
  }

  /* Desktop navigation */
  .nav__menu {
    gap: 40px !important;
  }

  /* Hero for desktop */
  .hero__title-container {
    gap: 80px !important;
    max-width: 1200px;
  }

  .hero__title {
    font-size: clamp(3rem, 6vw, 4.5rem) !important;
  }

  .hero__subtitle {
    font-size: 1.2rem !important;
  }

  .hero__subtitle-wrapper {
    max-width: 400px !important;
  }

  .hero {
    padding: var(--spacing-5xl) 0;
  }

  .hero__content {
    gap: var(--spacing-4xl);
  }

  /* Services grid for desktop */
  .services-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 25px !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0;
  }

  .service-card {
    padding: 40px !important;
  }

  /* Stats grid for desktop */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 40px !important;
  }

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

  .input-group {
    flex-direction: row;
    align-items: end;
  }

  .input-group__input,
  .input-group__textarea {
    flex: 1;
  }

  .input-group__actions {
    flex-shrink: 0;
  }
}

/* Extra large devices (large desktops, 1280px and up) */
@media (min-width: 1280px) {
  .container {
    width: 100%;
    max-width: none;
    padding: 0 40px;
  }

  .services-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 30px !important;
  }

  .footer__links {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* 2X Large devices (larger desktops, 1536px and up) */
@media (min-width: 1536px) {
  .container {
    width: 100%;
    max-width: none;
    padding: 0 50px;
  }
}

/* Mobile Navigation Menu */
@media (max-width: 767px) {
  /* Reset navigation layout for mobile */
  .nav {
    justify-content: space-between !important;
    position: relative !important;
  }

  .nav__brand {
    position: static !important;
    left: auto !important;
  }

  /* Mobile menu styles */
  .nav__menu.active {
    display: flex !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg, white);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 1000;
  }

  .nav-link {
    display: block;
    padding: 12px 16px;
    text-align: center;
    color: var(--color-text);
    transition: all 0.3s;
  }

  .nav-link:hover {
    background: rgba(102, 126, 234, 0.1);
    border-radius: 8px;
  }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  .btn,
  .service-card__button,
  .quick-action,
  .explore-btn {
    min-height: 44px;
    padding: 12px 20px;
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .nav-link {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .service-card:hover {
    transform: none;
  }

  .service-card:active {
    transform: scale(0.98);
  }

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

  .btn--primary:active {
    transform: scale(0.98);
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .header__logo,
  .footer__logo {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Landscape Orientation on Mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    padding: 60px 20px 40px !important;
    min-height: auto !important;
  }

  .hero__title {
    font-size: 2rem !important;
  }

  .hero__subtitle {
    font-size: 0.95rem !important;
  }

  .hero__title-container {
    margin-bottom: 30px !important;
  }
}

/* Large Desktop Screens */
@media (min-width: 1200px) {
  .hero__search {
    max-width: 900px;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .hero__search,
  .quick-actions,
  .service-card__button {
    display: none;
  }

  .hero {
    background: none;
    color: var(--color-text-primary);
    padding: var(--spacing-lg) 0;
  }

  .services {
    background: none;
  }

  .service-card {
    border: 1px solid var(--color-border-primary);
    break-inside: avoid;
    margin-bottom: var(--spacing-lg);
  }

  .showcase-container {
    break-inside: avoid;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .hero__title-accent {
    animation: none;
  }

  .typing-indicator span {
    animation: none;
  }

  .loading-spinner {
    animation: none;
    border-top-color: var(--color-primary);
  }

  .service-card:hover,
  .btn--primary:hover,
  .card:hover {
    transform: none;
  }

  .fade-in-up {
    animation: none;
  }

  .chat-bubble {
    animation: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {

  .service-card {
    border-width: 2px;
  }

  .btn--primary {
    border: 2px solid var(--color-text-inverse);
  }

  .search-box {
    border-width: 3px;
  }
}

/* Dark Mode Adjustments */
@media (prefers-color-scheme: dark) {

  .service-card {
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  }

  .hero__chat-preview {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .footer {
    background-color: var(--color-neutral-100);
  }
}

/* Focus Management for Keyboard Users */
@media (prefers-reduced-motion: no-preference) {
  :focus-visible {
    transition: outline-offset var(--transition-fast);
  }
}

/* Container Queries (Future Enhancement) */
@supports (container-type: inline-size) {
  .services {
    container-type: inline-size;
  }

  @container (min-width: 600px) {
    .services__grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @container (min-width: 900px) {
    .services__grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
}