/* Whimsical Weather Website Styles */
/* Based on Android app theme colors */

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

/* CSS Variables - Light Theme */
:root {
  /* Light Theme Colors from Android app */
  --primary: #8B6914;           /* WarmBrown */
  --on-primary: #F3ECC6;        /* LightCream */
  --primary-container: #F3ECC6; /* LightCream */
  --on-primary-container: #5D4A0F; /* DarkBrown */

  --secondary: #4A9EFF;         /* AccentBlue */
  --on-secondary: #FFFFFF;      /* White */
  --secondary-container: #E6D7C3; /* SoftBrown */
  --on-secondary-container: #8B6914; /* WarmBrown */

  --tertiary: #F5D982;          /* GoldenYellow */
  --on-tertiary: #5D4A0F;       /* DarkBrown */

  --background: #F3ECC6;        /* LightCream */
  --on-background: #8B6914;     /* WarmBrown */
  --surface: #F3ECC6;           /* LightCream */
  --on-surface: #8B6914;        /* WarmBrown */
  --surface-variant: #E6D7C3;   /* SoftBrown */
  --on-surface-variant: #42474E;

  --outline: #73777F;           /* OutlineLight */
  --outline-variant: #C2C7CE;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(139, 105, 20, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(139, 105, 20, 0.1), 0 2px 4px -1px rgba(139, 105, 20, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(139, 105, 20, 0.1), 0 4px 6px -2px rgba(139, 105, 20, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(139, 105, 20, 0.1), 0 10px 10px -5px rgba(139, 105, 20, 0.04);

  /* Typography */
  --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --container-max-width: 1200px;
  --section-padding: 5rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* Dark Theme Colors */
[data-theme="dark"] {
  --primary: #F5D982;           /* DarkGoldenYellow */
  --on-primary: #1C1C1C;        /* DarkCharcoal */
  --primary-container: #5D4A0F; /* DarkBrown */
  --on-primary-container: #FFF4D6; /* LightGolden */

  --secondary: #6BB6FF;         /* DarkAccentBlue */
  --on-secondary: #1C1C1C;      /* DarkCharcoal */
  --secondary-container: #3A3A3A; /* MediumGray */
  --on-secondary-container: #6BB6FF; /* DarkAccentBlue */

  --tertiary: #FFF4D6;          /* LightGolden */
  --on-tertiary: #1C1C1C;       /* DarkCharcoal */

  --background: #1C1C1C;        /* DarkCharcoal */
  --on-background: #F5D982;     /* DarkGoldenYellow */
  --surface: #1C1C1C;           /* DarkCharcoal */
  --on-surface: #F5D982;        /* DarkGoldenYellow */
  --surface-variant: #2A2A2A;   /* DarkGray */
  --on-surface-variant: #C4C7C5;

  --outline: #8D9199;           /* OutlineDark */
  --outline-variant: #44474E;

  /* Shadows adjusted for dark theme */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--on-background);
  background-color: var(--background);
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
.section__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--on-background);
  line-height: 1.2;
}

.section__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  text-align: center;
  color: var(--on-surface-variant);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.1);
}

.btn--outline {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn--outline:hover {
  background-color: var(--primary);
  color: var(--on-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
  z-index: 1000;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  position: relative;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 10;
}

.nav__logo {
  width: 48px;
  height: 48px;
}

.nav__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--on-surface);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav__link {
  color: var(--on-surface);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--surface-variant);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--on-surface);
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.theme-toggle__icon {
  transition: all var(--transition-normal);
}

.theme-toggle__icon--sun {
  display: block;
}

.theme-toggle__icon--moon {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--sun {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--moon {
  display: block;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__hamburger {
  width: 24px;
  height: 2px;
  background-color: var(--on-surface);
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
  padding-top: calc(5rem + 72px);
  padding-bottom: var(--section-padding);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--on-background);
}

.hero__highlight {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero__description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--on-surface-variant);
  line-height: 1.6;
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__mascot {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Features Section */
.features {
  padding: var(--section-padding) 0;
  background-color: var(--surface-variant);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature {
  background-color: var(--surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--on-surface);
}

.feature__description {
  color: var(--on-surface-variant);
  line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
  padding: var(--section-padding) 0;
}

.screenshots__carousel {
  margin-top: 3rem;
}

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

.carousel__container {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 19.5;
  margin-bottom: 2rem;
}

.carousel__item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.carousel__item--active {
  opacity: 1;
  pointer-events: auto;
}

.carousel__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.carousel__image--light {
  display: block;
}

.carousel__image--dark {
  display: none;
}

[data-theme="dark"] .carousel__image--light {
  display: none;
}

[data-theme="dark"] .carousel__image--dark {
  display: block;
}

.carousel__description {
  text-align: center;
  margin-bottom: 2rem;
}

.carousel__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--on-surface);
}

.carousel__text {
  color: var(--on-surface-variant);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

.carousel__controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.carousel__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  background-color: transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  padding: 0;
}

.carousel__dot:hover {
  transform: scale(1.2);
}

.carousel__dot--active {
  background-color: var(--primary);
}

/* Download Section */
.download {
  padding: var(--section-padding) 0;
  background-color: var(--surface-variant);
}

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

.download__buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.download__button {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  background-color: var(--surface);
  color: var(--on-surface);
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 2px solid var(--outline-variant);
}

.download__button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.download__button--coming-soon {
  opacity: 0.6;
  cursor: not-allowed;
}

.download__button--coming-soon:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

.download__button-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.download__button-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 500;
  opacity: 0.8;
}

.download__button-store {
  font-size: 1.25rem;
  font-weight: 700;
}

.download__info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.download__info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--on-surface-variant);
  font-size: 0.95rem;
}

/* Footer */
.footer {
  background-color: var(--surface);
  padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--outline-variant);
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer__logo {
  width: 48px;
  height: 48px;
}

.footer__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
}

.footer__description {
  color: var(--on-surface-variant);
  line-height: 1.6;
  max-width: 350px;
}

.footer__heading {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--on-surface);
}

.footer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__link {
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--outline-variant);
}

.footer__copyright {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  .nav {
    padding: 1.25rem 0;
  }

  .nav__logo {
    width: 44px;
    height: 44px;
  }

  .nav__title {
    font-size: 1.125rem;
  }

  .theme-toggle {
    width: 48px;
    height: 48px;
  }

  .nav__menu {
    position: fixed;
    top: 82px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--surface);
    border-bottom: 1px solid var(--outline-variant);
    padding: 1.5rem;
    gap: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: opacity var(--transition-normal),
                visibility var(--transition-normal),
                transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }

  .nav__menu--active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav__item {
    text-align: center;
  }

  .nav__link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
  }

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

  .nav__toggle {
    display: flex;
  }

  .nav__toggle--active .nav__hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle--active .nav__hamburger:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle--active .nav__hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero__content {
    text-align: center;
  }

  .hero__title {
    text-align: center;
  }

  .hero__image {
    order: -1;
  }

  .hero__mascot {
    max-width: 350px;
  }

  .hero__buttons {
    justify-content: center;
  }

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

  .carousel__container {
    aspect-ratio: 9 / 19.5;
  }

  .download__buttons {
    flex-direction: column;
    align-items: center;
  }

  .download__button {
    width: 100%;
    max-width: 300px;
  }

  .download__info {
    flex-direction: column;
    align-items: center;
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .section__title {
    font-size: 2rem;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}