/* ===================================
   Kimera - Support Page Styles
   Premium Design System
   =================================== */

/* CSS Variables - Material Design 3 Inspired */
:root {
  /* Primary Colors - Pastel Pink Theme */
  --color-primary: #F09E9E;
  --color-primary-light: #FFD4D4;
  --color-primary-dark: #E57373;
  
  /* Secondary Colors - Pastel Green */
  --color-secondary: #A8D8B9;
  --color-secondary-light: #D4F0DC;
  --color-secondary-dark: #8FCACA;
  
  /* Accent Colors */
  --color-accent: #FFCA28;
  --color-accent-light: #FFE082;
  
  /* Neutral Colors */
  --color-background: #FFFDF5;
  --color-surface: #FFFFFF;
  --color-surface-variant: #F5F0E6;
  
  /* Text Colors */
  --color-text-primary: #5D4037;
  --color-text-secondary: #8D6E63;
  --color-text-light: #A1887F;
  --color-text-on-primary: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #F09E9E 0%, #FFB6C1 50%, #A8D8B9 100%);
  --gradient-hero: linear-gradient(180deg, #FFFDF5 0%, #FFE4E9 50%, #E8F5E9 100%);
  --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #FFF8F8 100%);
  
  /* Shadows - Elevation System */
  --shadow-sm: 0 1px 2px rgba(93, 64, 55, 0.05);
  --shadow-md: 0 4px 12px rgba(93, 64, 55, 0.08);
  --shadow-lg: 0 8px 32px rgba(93, 64, 55, 0.12);
  --shadow-xl: 0 16px 48px rgba(93, 64, 55, 0.16);
  --shadow-glow: 0 0 40px rgba(240, 158, 158, 0.3);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Typography */
  --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Rounded Mplus 1c', 'Noto Sans JP', sans-serif;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
}

/* Material Icons */
.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'liga';
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  background: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

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

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

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 253, 245, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(240, 158, 158, 0.1);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__logo-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.nav__logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
}

.nav__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__link {
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.nav__link:hover {
  color: var(--color-primary-dark);
}

.nav__link:hover::after {
  width: 100%;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) var(--space-lg);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(240, 158, 158, 0.15) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(168, 216, 185, 0.15) 0%, transparent 70%);
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(2%, 3%) rotate(1deg); }
  50% { transform: translate(-1%, 5%) rotate(-1deg); }
  75% { transform: translate(3%, 2%) rotate(0.5deg); }
}

.hero__content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.hero__badge-icon {
  font-size: 1.25rem;
}

.hero__title {
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero__title-highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(240, 158, 158, 0.4);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
}

.btn--secondary:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn__icon {
  font-size: 1.25rem;
}

/* App Preview */
.hero__preview {
  position: relative;
  max-width: 320px;
  margin: 0 auto;
}

.hero__phone {
  position: relative;
  padding: 12px;
  background: #1a1a1a;
  border-radius: 40px;
  box-shadow: var(--shadow-xl);
}

.hero__phone::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: #1a1a1a;
  border-radius: 0 0 20px 20px;
}

.hero__screen {
  width: 100%;
  aspect-ratio: 9/19.5;
  background: var(--gradient-card);
  border-radius: 32px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl);
}

.hero__screen-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero__screen-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================
   Features Section
   =================================== */
.features {
  padding: var(--space-4xl) var(--space-lg);
  background: var(--color-surface);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__label {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.section__title {
  margin-bottom: var(--space-md);
}

.section__description {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.125rem;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  padding: var(--space-xl);
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(240, 158, 158, 0.1);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.feature-card__icon .material-icons {
  font-size: 32px;
  color: var(--color-primary-dark);
}

.feature-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.feature-card__description {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ===================================
   Styles Showcase
   =================================== */
.styles {
  padding: var(--space-4xl) var(--space-lg);
  background: var(--gradient-hero);
}

.styles__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.style-card {
  aspect-ratio: 1;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.style-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.style-card__icon {
  font-size: 2.5rem;
  color: var(--color-primary-dark);
}

.style-card__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
}

/* ===================================
   How It Works
   =================================== */
.how-it-works {
  padding: var(--space-4xl) var(--space-lg);
  background: var(--color-surface);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.step {
  text-align: center;
  padding: var(--space-xl);
  position: relative;
}

.step__number {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--color-text-on-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.step__icon {
  font-size: 3rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-md);
}

.step__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.step__description {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ===================================
   Support Section
   =================================== */
.support {
  padding: var(--space-4xl) var(--space-lg);
  background: var(--gradient-hero);
}

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

.faq {
  margin-top: var(--space-2xl);
}

.faq__item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq__question {
  width: 100%;
  padding: var(--space-lg);
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: background var(--transition-fast);
}

.faq__question:hover {
  background: var(--color-surface-variant);
}

.faq__icon {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  transition: transform var(--transition-normal);
}

.faq__item.active .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq__item.active .faq__answer {
  max-height: 500px;
}

.faq__answer-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-secondary);
}

/* Contact Card */
.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-top: var(--space-2xl);
}

.contact-card__icon {
  font-size: 3rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-md);
}

.contact-card__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.contact-card__description {
  margin-bottom: var(--space-lg);
}

.contact-card__email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.contact-card__email:hover {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--color-text-primary);
  color: var(--color-background);
  padding: var(--space-3xl) var(--space-lg) var(--space-xl);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  max-width: var(--container-max);
  margin: 0 auto var(--space-2xl);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer__logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.footer__logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.footer__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-background);
}

.footer__description {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: 0;
}

.footer__section-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
}

.footer__link {
  display: block;
  padding: var(--space-xs) 0;
  color: var(--color-background);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer__link:hover {
  opacity: 1;
  color: var(--color-primary-light);
}

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

.footer__copyright {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* ===================================
   Legal Pages (Privacy & Terms)
   =================================== */
.legal {
  padding: calc(72px + var(--space-3xl)) var(--space-lg) var(--space-4xl);
  min-height: 100vh;
}

.legal__content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.legal__title {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 2px solid var(--color-primary-light);
}

.legal__updated {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: var(--space-xl);
}

.legal h2 {
  font-size: 1.5rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-primary-dark);
}

.legal h3 {
  font-size: 1.125rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal ul, .legal ol {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.legal li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  
  .hero {
    padding-top: calc(72px + var(--space-2xl));
  }
  
  .hero__buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .features__grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__brand {
    justify-content: center;
  }
  
  .legal__content {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero__preview {
    max-width: 260px;
  }
  
  .styles__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Scroll animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Utilities
   =================================== */
.text-center { text-align: center; }
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .hero__buttons {
    display: none;
  }
  
  body {
    background: white;
  }
  
  .legal {
    padding: 0;
  }
  
  .legal__content {
    box-shadow: none;
  }
}