/**
 * Lowkey Mood Website Styles
 * 
 * THEME CUSTOMIZATION:
 * All colors are defined as CSS variables at the top of this file.
 * To change the theme, just modify the values in :root
 */

/* =============================================================================
   THEME VARIABLES - EDIT THESE TO CHANGE COLORS
   ============================================================================= */

:root {
  /* Background Colors */
  --color-bg-primary: #1C1C1C;      /* Main page background */
  --color-bg-secondary: #141414;    /* Footer, darker sections */
  --color-surface: #2A2A2A;         /* Cards, elevated elements */
  --color-surface-variant: #3D3D3D; /* Borders, subtle elements */
  
  /* Text Colors */
  --color-text-primary: #FFFFFF;    /* Headlines, primary text */
  --color-text-secondary: #CCCCCC;  /* Body text */
  --color-text-tertiary: #888888;   /* Labels, captions */
  --color-text-muted: #666666;      /* Placeholder, disabled */
  
  /* Brand Colors */
  --color-primary: #8B5CF6;         /* Primary accent (purple) */
  --color-primary-hover: #7C3AED;   /* Primary hover state */
  --color-success: #22C55E;         /* Positive actions */
  
  /* Status Colors */
  --color-coming-soon: #F59E0B;

  /* Mood Colors (for decorative elements) */
  --color-mood-purple: #8B5CF6;
  --color-mood-teal: #14B8A6;
  --color-mood-pink: #EC4899;
  --color-mood-amber: #FBBF24;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Font Sizes */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 32px;
  --text-4xl: 40px;
  --text-5xl: 48px;
  
  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
}

/* =============================================================================
   RESET & BASE
   ============================================================================= */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--text-4xl); font-weight: 700; }
h2 { font-size: var(--text-3xl); font-weight: 600; }
h3 { font-size: var(--text-2xl); font-weight: 600; }
h4 { font-size: var(--text-xl); font-weight: 600; }

p {
  margin-bottom: var(--spacing-md);
}

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-sm);
}

/* =============================================================================
   LAYOUT
   ============================================================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section {
  padding: var(--spacing-3xl) 0;
}

.section--dark {
  background-color: var(--color-bg-secondary);
}

/* =============================================================================
   HEADER & NAVIGATION
   ============================================================================= */

.header {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-surface-variant);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: var(--text-lg);
}

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

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

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

.nav__link {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav__cta {
  background-color: var(--color-primary);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
}

.nav__cta:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-primary);
}

.nav__cta--coming-soon {
  background-color: transparent;
  border: 1px solid var(--color-coming-soon);
  color: var(--color-coming-soon);
  cursor: default;
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--text-xl);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-secondary);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-surface-variant);
  }
  
  .nav--open {
    display: flex;
  }
  
  .nav__toggle {
    display: block;
  }
}

/* =============================================================================
   HERO
   ============================================================================= */

.hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.hero__content {
  max-width: 700px;
  margin: 0 auto;
}

.hero__tagline {
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.hero__title {
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-lg);
}

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

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

/* =============================================================================
   BUTTONS
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-primary);
}

.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-surface-variant);
}

.btn--secondary:hover {
  background-color: var(--color-surface-variant);
  color: var(--color-text-primary);
}

.btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--coming-soon {
  background-color: transparent;
  color: var(--color-coming-soon);
  border: 1px solid var(--color-coming-soon);
  cursor: default;
}

.btn--coming-soon:hover {
  color: var(--color-coming-soon);
  background-color: rgba(245, 158, 11, 0.1);
}

/* App store buttons */
.btn--appstore {
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary);
  padding: var(--spacing-sm) var(--spacing-lg);
}

.btn--appstore:hover {
  background-color: var(--color-text-secondary);
  color: var(--color-bg-primary);
}

.btn--appstore img {
  height: 24px;
  width: auto;
}

/* =============================================================================
   CARDS
   ============================================================================= */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.card--bordered {
  border: 1px solid var(--color-surface-variant);
}

.card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.card__text {
  color: var(--color-text-secondary);
}

/* =============================================================================
   FEATURES
   ============================================================================= */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature__icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.feature__title {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-sm);
}

.feature__text {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

/* =============================================================================
   MOOD LINE DECORATION
   ============================================================================= */

.mood-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
}

.mood-line__track {
  position: relative;
  width: 200px;
  height: 24px;
}

.mood-line__line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-surface-variant);
}

.mood-line__dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  top: 50%;
}

.mood-line__dot:nth-child(2) { left: 0%; background-color: var(--color-mood-purple); top: 35%; }
.mood-line__dot:nth-child(3) { left: 33%; background-color: var(--color-mood-teal); top: 65%; }
.mood-line__dot:nth-child(4) { left: 66%; background-color: var(--color-mood-pink); top: 30%; }
.mood-line__dot:nth-child(5) { left: 100%; background-color: var(--color-mood-amber); top: 50%; }

/* =============================================================================
   FOOTER
   ============================================================================= */

.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-surface-variant);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer__logo img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.footer__tagline {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

.footer__section h4 {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

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

.footer__bottom {
  border-top: 1px solid var(--color-surface-variant);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__copyright {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer__copyright a {
  color: var(--color-text-muted);
}

.footer__copyright a:hover {
  color: var(--color-text-tertiary);
}

.footer__legal {
  display: flex;
  gap: var(--spacing-md);
}

.footer__legal a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer__legal a:hover {
  color: var(--color-text-tertiary);
}

.coming-soon-label {
  color: var(--color-coming-soon);
  font-size: var(--text-sm);
}

/* =============================================================================
   PAGE CONTENT
   ============================================================================= */

.page-header {
  padding: var(--spacing-2xl) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-surface-variant);
}

.page-header__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--spacing-sm);
}

.page-header__subtitle {
  color: var(--color-text-tertiary);
  font-size: var(--text-lg);
}

.page-content {
  padding: var(--spacing-2xl) 0;
}

.page-content h2 {
  margin-top: var(--spacing-xl);
}

.page-content h2:first-child {
  margin-top: 0;
}

/* =============================================================================
   FAQ / SUPPORT
   ============================================================================= */

.faq {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-surface-variant);
  padding: var(--spacing-lg) 0;
}

.faq__question {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.faq__answer {
  color: var(--color-text-secondary);
}

.contact-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  max-width: 500px;
  margin: var(--spacing-xl) auto 0;
}

.contact-card__title {
  margin-bottom: var(--spacing-sm);
}

.contact-card__email {
  font-size: var(--text-lg);
  color: var(--color-primary);
}

/* =============================================================================
   404 PAGE
   ============================================================================= */

.error-page {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.error-page__code {
  font-size: 120px;
  font-weight: 700;
  color: var(--color-surface-variant);
  line-height: 1;
}

.error-page__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-md);
}

.error-page__text {
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xl);
}

/* =============================================================================
   INVITE PAGE
   ============================================================================= */

.invite-page {
  padding: var(--spacing-3xl) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.invite-card {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}

.invite-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background-color: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.invite-card__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--spacing-md);
}

.invite-card__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.invite-card__divider {
  width: 60px;
  height: 2px;
  background-color: var(--color-surface-variant);
  margin: 0 auto var(--spacing-lg);
}

.invite-card__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-lg);
}

.invite-card__actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-2xl);
}

.invite-card__info {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: left;
}

.invite-card__info h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-sm);
}

.invite-card__info p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.invite-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.invite-features li {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.invite-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

/* =============================================================================
   MAINTENANCE PAGE
   ============================================================================= */

.maintenance {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}

.maintenance__content {
  max-width: 400px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

.maintenance__logo {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
}

.maintenance__logo img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
}

.maintenance__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--spacing-sm);
}

.maintenance__tagline {
  color: var(--color-text-tertiary);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-xl);
}

.maintenance__badge {
  display: inline-block;
  color: var(--color-coming-soon);
  border: 1px solid var(--color-coming-soon);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--spacing-2xl);
}

.maintenance__contact {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
  margin-bottom: var(--spacing-lg);
}

.maintenance__legal {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.maintenance__legal a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.maintenance__legal a:hover {
  color: var(--color-text-tertiary);
}

.maintenance__lang {
  margin-top: 1.5rem;
}

.maintenance__lang a {
  color: var(--color-text-tertiary);
  text-decoration: none;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-surface-variant);
  padding-bottom: 2px;
  transition: color 0.2s;
}

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

.maintenance__copyright {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* =============================================================================
   UTILITIES
   ============================================================================= */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--color-text-muted); }
.text-small { font-size: var(--text-sm); }

.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media (max-width: 768px) {
  :root {
    --text-4xl: 32px;
    --text-5xl: 40px;
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__brand {
    max-width: none;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}