/* ===========================
   CSS Variables & Base Styles
   Heavenly Gold & Azure color scheme
   Bold Heroic Sans typography
   =========================== */

:root {
  /* Heavenly Gold & Azure Color Scheme */
  --color-primary: #D4AF37; /* Divine Gold */
  --color-primary-light: #FFD700; /* Bright Gold */
  --color-primary-dark: #B8941F; /* Deep Gold */
  --color-secondary: #4A90E2; /* Azure Sky */
  --color-secondary-light: #87CEEB; /* Light Sky Blue */
  --color-secondary-dark: #2C5F8D; /* Deep Azure */
  --color-accent: #FFFFFF; /* Pure White */
  --color-text: #1A1A2E; /* Dark Navy Text */
  --color-text-light: #4A4A68; /* Muted Text */
  --color-background: #FEFEFE; /* Pure White Background */
  --color-background-alt: #F5F5F5; /* Light Gray */
  --color-background-gradient: linear-gradient(135deg, #4A90E2 0%, #87CEEB 100%);
  
  /* Typography - Bold Heroic Sans */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-weight-normal: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 64px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 50%;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 24px rgba(212, 175, 55, 0.4);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===========================
   Reset & Base
   =========================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

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

/* ===========================
   Container
   =========================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* ===========================
   Header
   =========================== */

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

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  height: 100%;
  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-sm);
}

.header-title {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.header-nav {
  display: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-light);
  transition: var(--transition-fast);
}

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

.nav-cta {
  padding: 10px 20px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-bold);
  font-size: 15px;
  transition: var(--transition-fast);
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.header-cta-mobile {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.header-cta-mobile:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

@media (min-width: 768px) {
  .header {
    height: 72px;
  }
  
  .header-icon {
    width: 48px;
    height: 48px;
  }
  
  .header-title {
    font-size: 20px;
  }
  
  .header-nav {
    display: flex;
  }
  
  .header-cta-mobile {
    display: none;
  }
}

/* ===========================
   Hero Section
   =========================== */

.hero {
  margin-top: 64px;
  padding: var(--spacing-xl) 0;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #F0F8FF 0%, #FFFFFF 100%);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-md);
  animation: soarPulse 3s ease-in-out infinite;
}

@keyframes soarPulse {
  0%, 100% {
    transform: translateY(0px);
    box-shadow: var(--shadow-lg);
  }
  50% {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
  }
}

.hero-title {
  font-size: 36px;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.hero-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-light);
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
}

.hero-visual {
  width: 100%;
}

.hero-banner {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .hero {
    margin-top: 72px;
    min-height: calc(100vh - 72px);
  }
  
  .hero-container {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-xl);
  }
  
  .hero-content {
    flex: 1;
    text-align: left;
    align-items: flex-start;
  }
  
  .hero-visual {
    flex: 1;
  }
  
  .hero-title {
    font-size: 48px;
  }
  
  .hero-subtitle {
    font-size: 24px;
  }
  
  .hero-description {
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 56px;
  }
}

/* ===========================
   Download Buttons
   =========================== */

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

.download-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-bold);
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
  min-height: 56px;
  position: relative;
}

.download-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.download-btn:active {
  transform: translateY(-1px);
}

.download-btn-apple {
  background: #2a2a2a;
  opacity: 0.55;
  filter: grayscale(0.6);
  cursor: not-allowed;
  pointer-events: none;
}

.download-btn-apple:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

.store-icon {
  width: 28px;
  height: 28px;
  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-semibold);
  text-transform: uppercase;
  opacity: 0.9;
  letter-spacing: 0.5px;
}

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

.coming-soon-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (min-width: 768px) {
  .download-buttons {
    flex-direction: row;
    max-width: none;
  }
  
  .download-btn {
    flex: 1;
  }
}

/* ===========================
   Section Titles
   =========================== */

.section-title {
  font-size: 32px;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 40px;
  }
}

/* ===========================
   Features Section
   =========================== */

.features {
  padding: var(--spacing-xl) 0;
  background: var(--color-background);
}

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

.feature-card {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  border: 2px solid transparent;
}

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

.feature-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

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

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

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===========================
   Screenshots Section
   =========================== */

.screenshots {
  padding: var(--spacing-xl) 0;
  background: var(--color-background-alt);
}

.screenshots-carousel {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) var(--color-background-alt);
  padding-bottom: var(--spacing-sm);
}

.screenshots-carousel::-webkit-scrollbar {
  height: 8px;
}

.screenshots-carousel::-webkit-scrollbar-track {
  background: var(--color-background-alt);
}

.screenshots-carousel::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

.screenshot-item {
  flex: 0 0 280px;
  scroll-snap-align: center;
}

.screenshot-item img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.screenshot-item img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .screenshots-carousel {
    justify-content: center;
    flex-wrap: wrap;
    overflow-x: visible;
  }
  
  .screenshot-item {
    flex: 0 0 calc(50% - var(--spacing-sm));
  }
}

@media (min-width: 1024px) {
  .screenshot-item {
    flex: 0 0 calc(25% - var(--spacing-sm));
  }
}

/* ===========================
   Download CTA Section
   =========================== */

.download-cta {
  padding: var(--spacing-xl) 0;
  background: var(--color-background-gradient);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 36px;
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.download-cta .download-buttons {
  margin: 0 auto;
}

.download-btn-large {
  padding: 18px 32px;
  min-height: 64px;
}

@media (min-width: 768px) {
  .cta-title {
    font-size: 48px;
  }
  
  .cta-subtitle {
    font-size: 20px;
  }
}

/* ===========================
   About Section
   =========================== */

.about {
  padding: var(--spacing-xl) 0;
  background: var(--color-background);
}

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

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

.about-contact {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  margin-top: var(--spacing-lg);
}

.about-contact a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  transition: var(--transition-fast);
}

.about-contact a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

@media (min-width: 768px) {
  .about-text {
    font-size: 17px;
  }
}

/* ===========================
   Footer
   =========================== */

.footer {
  padding: var(--spacing-lg) 0;
  background: var(--color-text);
  color: white;
}

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

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

.footer-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
}

.footer-title {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
}

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

.footer-links a {
  font-size: 14px;
  opacity: 0.8;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.footer-contact {
  font-size: 14px;
  opacity: 0.8;
}

.footer-contact a {
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.footer-contact a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer-copyright {
  font-size: 13px;
  opacity: 0.7;
}

@media (min-width: 768px) {
  .footer-content {
    text-align: left;
  }
  
  .footer-brand {
    flex-direction: row;
  }
  
  .footer-links {
    justify-content: flex-start;
  }
}

/* ===========================
   Floating CTA (Mobile)
   =========================== */

.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(10px);
  z-index: 999;
  opacity: 0;
  transform: translateY(100%);
  transition: var(--transition-normal);
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
}

.floating-btn {
  display: block;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  text-align: center;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-md);
  transition: var(--transition-fast);
}

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

@media (min-width: 768px) {
  .floating-cta {
    display: none;
  }
}