/* ========================================
   Jello Match: Morandi Pop - Main Styles
   Mobile-First | Morandi Pastel Harmony
   ======================================== */

/* ========== CSS Variables ========== */
:root {
  /* Morandi Pastel Harmony Color Palette */
  --color-morandi-rose: #D4A5A5;
  --color-morandi-sage: #A8B5A0;
  --color-morandi-mauve: #C8B5C8;
  --color-morandi-taupe: #C8B5A6;
  --color-morandi-dusty-blue: #A5B4C8;
  --color-morandi-cream: #F5F1EB;
  --color-morandi-beige: #E8E0D5;
  --color-morandi-gray: #B8AFA5;
  
  /* Semantic Colors */
  --color-primary: var(--color-morandi-taupe);
  --color-secondary: var(--color-morandi-sage);
  --color-accent: var(--color-morandi-rose);
  --color-background: var(--color-morandi-cream);
  --color-surface: #FFFFFF;
  --color-text-dark: #4A4540;
  --color-text-medium: #6B635A;
  --color-text-light: #8A8278;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(74, 69, 64, 0.08);
  --shadow-md: 0 4px 16px rgba(74, 69, 64, 0.12);
  --shadow-lg: 0 8px 24px rgba(74, 69, 64, 0.16);
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-background);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  opacity: 0.8;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* ========== Header ========== */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: transform var(--transition-normal);
}

.header-content {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.header-title {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-dark);
  display: none;
}

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

.nav-link {
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-medium);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: none;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-morandi-beige);
  opacity: 1;
}

.cta-button-small {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-morandi-rose));
  color: white;
  border-radius: var(--radius-full);
  font-size: 20px;
  transition: all var(--transition-normal);
}

.cta-button-small:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  opacity: 1;
}

/* ========== Hero Section ========== */
.hero {
  min-height: 100vh;
  padding: calc(64px + var(--spacing-lg)) var(--spacing-sm) var(--spacing-xl);
  background: linear-gradient(180deg, var(--color-morandi-cream) 0%, var(--color-morandi-beige) 100%);
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
}

.hero-icon-wrapper {
  animation: gentleFloat 3s ease-in-out infinite;
}

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

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.hero-title {
  font-size: 32px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 20px;
  font-weight: var(--font-weight-medium);
  color: var(--color-morandi-rose);
  margin-top: -8px;
}

.hero-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-medium);
  max-width: 600px;
}

.download-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
  max-width: 400px;
  margin-top: var(--spacing-sm);
}

.store-button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background-color: var(--color-text-dark);
  color: white;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  min-height: 64px;
  position: relative;
}

.store-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  opacity: 1;
}

.store-button:active {
  transform: translateY(-1px);
}

.store-button.coming-soon {
  background-color: #2a2a2a;
  opacity: 0.55;
  filter: grayscale(0.6);
  cursor: not-allowed;
  pointer-events: none;
}

.store-button.coming-soon:hover {
  transform: none;
  box-shadow: none;
}

.store-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.store-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.store-label {
  font-size: 11px;
  font-weight: var(--font-weight-regular);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

.coming-soon-label {
  font-size: 11px;
  font-weight: var(--font-weight-medium);
}

.store-name {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  line-height: 1;
}

.coming-soon-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--color-morandi-gray);
  color: white;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.trust-elements {
  margin-top: var(--spacing-sm);
}

.trust-text {
  font-size: 14px;
  color: var(--color-text-light);
}

.hero-visual {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-banner {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

/* ========== Features Section ========== */
.features {
  padding: var(--spacing-xxl) var(--spacing-sm);
  background-color: var(--color-surface);
}

.features-content {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-dark);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-medium);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

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

.feature-card {
  background: linear-gradient(135deg, var(--color-morandi-cream), var(--color-morandi-beige));
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(20px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.feature-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
  display: inline-block;
  transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-title {
  font-size: 20px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-xs);
}

.feature-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-medium);
}

/* ========== Download CTA Section ========== */
.download-cta {
  padding: var(--spacing-xxl) var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-morandi-sage), var(--color-morandi-taupe));
  text-align: center;
}

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

.download-cta-title {
  font-size: 32px;
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.download-cta-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
}

.download-buttons-large {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 400px;
  margin: 0 auto;
}

.store-button-large {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  background-color: var(--color-text-dark);
  color: white;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  min-height: 72px;
  position: relative;
}

.store-button-large:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  opacity: 1;
}

.store-button-large.coming-soon {
  background-color: #2a2a2a;
  opacity: 0.55;
  filter: grayscale(0.6);
  cursor: not-allowed;
  pointer-events: none;
}

.store-button-large.coming-soon:hover {
  transform: none;
  box-shadow: none;
}

.store-icon-large {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.store-text-large {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.store-label-large {
  font-size: 12px;
  font-weight: var(--font-weight-regular);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

.store-name-large {
  font-size: 22px;
  font-weight: var(--font-weight-semibold);
  line-height: 1;
}

/* ========== Mobile Sticky CTA ========== */
.mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 -4px 16px rgba(74, 69, 64, 0.12);
  z-index: 999;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.mobile-sticky-cta.visible {
  transform: translateY(0);
}

.mobile-cta-button {
  display: block;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-morandi-rose));
  color: white;
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  text-align: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.mobile-cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  opacity: 1;
}

/* ========== About Section ========== */
.about {
  padding: var(--spacing-xxl) var(--spacing-sm);
  background-color: var(--color-morandi-cream);
}

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

.about-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-medium);
  margin-bottom: var(--spacing-md);
}

.contact-info {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.contact-text {
  font-size: 15px;
  color: var(--color-text-medium);
}

.contact-link {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
}

/* ========== Footer ========== */
.footer {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-text-dark);
  color: white;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.footer-title {
  font-size: 16px;
  font-weight: var(--font-weight-semibold);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: white;
  opacity: 1;
}

.footer-separator {
  color: rgba(255, 255, 255, 0.4);
}

.footer-contact {
  margin-top: var(--spacing-xs);
}

.footer-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-email {
  color: var(--color-morandi-rose);
  text-decoration: underline;
}

.footer-copyright {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
}

/* ========================================
   Responsive Design - Tablet & Desktop
   ======================================== */

@media (min-width: 768px) {
  /* Header */
  .header-title {
    display: block;
  }
  
  .nav-link {
    display: block;
  }
  
  .cta-button-small {
    width: auto;
    height: auto;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: var(--font-weight-semibold);
  }
  
  /* Hero */
  .hero {
    padding: calc(64px + var(--spacing-xxl)) var(--spacing-lg) var(--spacing-xxl);
  }
  
  .hero-content {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-xxl);
  }
  
  .hero-text {
    flex: 1;
    align-items: flex-start;
    text-align: left;
  }
  
  .hero-title {
    font-size: 48px;
  }
  
  .hero-subtitle {
    font-size: 24px;
  }
  
  .hero-description {
    font-size: 18px;
  }
  
  .download-buttons {
    flex-direction: row;
    max-width: none;
  }
  
  .store-button {
    flex: 1;
  }
  
  .hero-visual {
    flex: 1;
  }
  
  .hero-banner {
    max-width: 600px;
  }
  
  /* Features */
  .features {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }
  
  .section-title {
    font-size: 36px;
  }
  
  .section-subtitle {
    font-size: 18px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Download CTA */
  .download-cta {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }
  
  .download-cta-title {
    font-size: 42px;
  }
  
  .download-buttons-large {
    flex-direction: row;
    max-width: 600px;
  }
  
  .store-button-large {
    flex: 1;
  }
  
  /* Mobile Sticky CTA - Hide on Desktop */
  .mobile-sticky-cta {
    display: none;
  }
  
  /* About */
  .about {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }
  
  /* Footer */
  .footer {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-title {
    font-size: 56px;
  }
  
  .download-cta-title {
    font-size: 48px;
  }
}