/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
  /* Colors */
  --color-primary: #2D7D6D;
  --color-secondary: #634B57;
  --color-accent: #25D366;
  --color-dark: #1a1a1a;
  --color-light: #ffffff;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  
  /* Mindfulness specific */
  --color-mindful-primary: #6B4E71;
  --color-mindful-secondary: #9B7EAC;
  --color-mindful-light: #E8DFF5;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-secondary: Georgia, 'Times New Roman', serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

body.dark {
  --color-light: #1a1a1a;
  --color-dark: #f8f9fa;
  --color-gray-100: #212529;
  --color-gray-200: #343a40;
  --color-gray-300: #495057;
  --color-gray-700: #dee2e6;
  --color-gray-800: #e9ecef;
  --color-gray-900: #f8f9fa;
  --color-mindful-light: #2a1f35;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  color: var(--color-dark);
  background: linear-gradient(135deg, rgba(107, 78, 113, 0.05), rgba(155, 126, 172, 0.05)),
              url('../assets/img/mindfulness.png') no-repeat center center / cover;
  background-attachment: fixed;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
  min-height: 100vh;
}

body.dark {
  background:url('../assets/img/mindfulness2.png') no-repeat center center / cover;
  background-attachment: fixed;
}

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

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

ul {
  list-style: none;
}

/* ===================================
   Utilities
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-mindful-primary);
  font-family: var(--font-secondary);
  text-align: center;
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: #1fb855;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--whatsapp svg {
  width: 20px;
  height: 20px;
}

/* ===================================
   Navbar
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), opacity var(--transition-base);
  color: #ffffff;
}


.navbar.hidden {
  transform: translateY(-100%);
}

.navbar.transparent {
  opacity: 0.9;
}

.navbar__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.navbar__logo img {
  height: 60px;
  width: auto;
}

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

.navbar__link {
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.navbar__link:hover::after,
.navbar__link--active::after {
  width: 80%;
}

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

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar__hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--color-dark);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

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

.navbar__theme {
  background: transparent;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-full);
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.navbar__theme:hover {
  border-color: var(--color-primary);
  transform: rotate(20deg);
}

.theme__icon {
  font-size: 1.5rem;
}

/* ===================================
   Mindfulness Hero Section
   =================================== */
.mindfulness-hero {
  min-height: 100vh;
  padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
}

.mindfulness-hero__content {
  backdrop-filter: blur(1px);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  animation: fadeInUp 0.8s ease;
}


.mindfulness-hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--color-mindful-primary);
  margin-bottom: var(--spacing-md);
  text-align: center;
  font-family: var(--font-secondary);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.05);
}

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

/* ===================================
   Mindfulness Intro
   =================================== */
.mindfulness-intro {
  max-width: 900px;
  margin: 0 auto;
}

.mindfulness-intro__text,
.mindfulness-intro__conclusion {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-md);
  text-align: justify;
  text-shadow: 1px 1px 2px rgba(167, 161, 161, 0.8);
}

body.dark .mindfulness-intro__text,
body.dark .mindfulness-intro__conclusion {
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.mindfulness-intro__subtitle {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-mindful-secondary);
  margin: var(--spacing-md) 0 var(--spacing-sm);
  font-family: var(--font-secondary);
  text-shadow: 1px 1px 2px rgba(195, 195, 195, 0.8);
}

body.dark .mindfulness-intro__subtitle {
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.mindfulness-intro__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.mindfulness-intro__list li {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-mindful-secondary);
  transition: all var(--transition-base);
}

.mindfulness-intro__list li:hover {
  transform: translateX(5px);
}

.list-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.mindfulness-intro__list strong {
  display: block;
  color: var(--color-mindful-primary);
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
  text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

body.dark .mindfulness-intro__list strong {
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.mindfulness-intro__list p {
  color: var(--color-gray-700);
  line-height: 1.7;
  text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

body.dark .mindfulness-intro__list p {
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* ===================================
   Practice Section
   =================================== */
.practice-section {
  padding: var(--spacing-xl) 0;
}

/* Practice Guide */
.practice-guide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  align-items: center;
}

.practice-guide__content {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}


.practice-guide__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-mindful-primary);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-secondary);
}

.practice-guide__description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-gray-700);
}

.practice-guide__frame {

  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 1;
}

.practice-guide__frame iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Video Gallery */
.video-gallery {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}


.video-gallery__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-mindful-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  font-family: var(--font-secondary);
}

.video-gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.video-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-mindful-light);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.video-card__wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
}

.video-card__wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-light);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer__logo {
  max-width: 200px;
}

.footer__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.footer__menu {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer__menu a:hover {
  color: var(--color-accent);
  padding-left: 5px;
}

.footer__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__info li {
  display: flex;
  gap: var(--spacing-xs);
  align-items: flex-start;
}

.footer__info svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__info a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.8;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  body, body.dark{
    background-size: cover;
  }


  .navbar__container {
    padding: 1rem;
  }

  .navbar__logo img {
    height: 50px;
  }

  .navbar__menu {
    position: fixed;
    top: 70px;
    right: 0;
    width: 100%;
    max-width: 300px;
    background: var(--color-light);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    gap: 15px;
    background-color: #616468;
  }
  
  body.dark .navbar__menu {
    background: var(--color-gray-100);
  }

  .navbar__menu.open {
    transform: translateX(0);
  }

  .navbar__link {
    width: 100%;
  }


  .navbar__link::after {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translateY(7px);
  }

  .navbar__hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .navbar__hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translateY(-7px);
  }

  .navbar__actions .btn--whatsapp {
    display: none;
  }

  .mindfulness-hero {
    padding: calc(80px + var(--spacing-md)) var(--spacing-sm) var(--spacing-md);
  }

  .mindfulness-hero__content {
    padding: var(--spacing-md);
  }

  .mindfulness-intro__text,
  .mindfulness-intro__conclusion {
    font-size: 1rem;
    text-align: left;
  }

  .practice-guide {
    grid-template-columns: 1fr;
  }

  .practice-guide__content {
    padding: var(--spacing-md);
  }

  .practice-guide__frame {
    min-height: 400px;
  }

  .video-gallery {
    padding: var(--spacing-md);
  }

  .video-gallery__grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__brand,
  .footer__links,
  .footer__contact {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer__logo {
    max-width: 150px;
  }

  .footer__info li {
    justify-content: center;
  }
}