/* =======================
   THEME VARIABLES
   ======================= */
:root {
  /* Light Theme - Mongolian Steppe */
  --color-primary: #3a7d44;       /* deep steppe green */
  --color-primary-dark: #2e5f35;  /* darker grass/shrub green */
  --color-blackish: #2b2b2b;      /* earthy dark tone */

  /* Choose one for accent: */
  --color-secondary-earth: #cba35c; /* golden dry grass */
  --color-secondary-sky:   #5ca9d6; /* clear steppe sky */

  --color-secondary: var(--color-secondary-sky); /* default: earth mood */

  --color-text: #2f2f2f;          /* natural dark gray */
  --color-text-light: #4f4f4f;    /* softer gray */
  --color-bg: #fdfcf8;            /* sunlit steppe sky haze */
  --color-white: #ffffff;         /* pure white */
  --color-muted: #f0ede4;         /* muted steppe sand */

  --font-base: 'Helvetica Neue', Arial, sans-serif;
  /* --font-base: 'Montserrat', sans-serif; */
  --font-heading: 'Poppins', sans-serif;

  --radius: 6px;
  --shadow: 0 2px 5px rgba(0,0,0,0.05);
  --transition: 0.3s ease;
}

/* Dark Theme - Mongolian Steppe Night */
.dark-theme {
  --color-primary: #88c999;       /* moonlit green */
  --color-primary-dark: #4e8a5f;  /* cool dark grass */
  --color-blackish: #e0e0e0;      /* flipped light text */

  /* Choose one for accent: */
  --color-secondary-earth: #9c8052; /* warm brown-gold */
  --color-secondary-sky:   #4d7ea8; /* deep sky blue */

  --color-secondary: var(--color-secondary-sky); /* default: earth mood */

  --color-text: #e6e6e6;          /* soft light gray */
  --color-text-light: #aaaaaa;    /* muted gray */
  --color-bg: #1a1d1a;            /* night sky over steppe */
  --color-white: #252a25;         /* deep muted green-gray */
  --color-muted: #2b2f2b;         /* shadowed earth */
}


  
  
  /* =======================
     GLOBAL STYLES
     ======================= */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: var(--font-base);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
  }

  a {
    text-decoration: none;
  }
  
  /* =======================
     NAVBAR
     ======================= */
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
    background: var(--color-white);
    box-shadow: var(--shadow);
  }
  
  .logo {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--color-text);
    font-family: var(--font-heading);
  }
  
  .nav-links {
    list-style: none;
    display: flex;
    gap: 1.2rem;
  }
  
  .nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition);
  }
  
  .nav-links a:hover,
  .nav-links .active {
    color: var(--color-primary);
  }
  
  .hamburger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
  }

  .theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.4rem;
    margin-left: 1rem;
    transition: transform var(--transition);
  }
  
  .theme-toggle:hover {
    transform: rotate(20deg);
  }

  .lang-toggle {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50px;        /* pill shape */
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 1rem;
    font-size: 0.9rem;
  }
  
  .lang-toggle:hover {
    background-color: var(--color-blackish);
    /* transform: scale(1.01); */
  }
  
  .navbar .lang-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  
  /* =======================
     BUTTONS
     ======================= */
  .btn {
    background: var(--color-blackish);
    color: var(--color-white) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: background var(--transition);
  }
  
  .btn:hover {
    background: var(--color-primary-dark);
  }
  
  /* =======================
     HERO SECTION
     ======================= */
  .hero {
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    text-align: center;
    padding: 6rem 2rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
  }
  
  .hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
  }

  /* INFO GRAPHS */
.infographs {
  padding: 3rem 1rem;
  background: var(--color-muted);
  text-align: center;
}

.infographs h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary-dark);
}

.carousel {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.infograph-card {
  min-width: 100%;
  background: transparent;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 3rem;
  text-align: center;
}

.infograph-card img {
  max-width: 100%;
  margin-bottom: 1rem;
}

.infograph-card h3 {
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.info_p {
  margin: 0.5rem;
}

/* Buttons */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--color-primary);
  font-size: 1.5rem;
  padding: 0.25rem 0.75rem;
  cursor: pointer;
  border-radius: 50%;
  box-shadow: var(--shadow);
  transition: background 0.3s ease;
}

.carousel-btn:hover {
  color: var(--color-primary-dark);
}

.carousel-btn.prev {
  left: 0px;
}

.carousel-btn.next {
  right: 0px;
}

/* Dots */
.carousel-dots {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.carousel-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: #ccc;
  cursor: pointer;
  transition: background 0.3s ease;
}

.carousel-dots button.active {
  background: var(--color-primary);
}


  
  /* =======================
     ABOUT SECTION
     ======================= */
  .about {
    max-width: 800px;
    margin: 3rem auto;
    padding: 2rem;
    text-align: center;
  }
  
  .about h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
  }

  /* About Page Hero */
.about-hero {
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  text-align: center;
  padding: 4rem 2rem;
}

.about-hero h1 {
  font-size: 2.5rem;
  font-family: var(--font-heading);
  margin-bottom: 1rem;
}

.about-hero p {
  font-size: 1.2rem;
  opacity: 0.9;
}

/* Sections Wrapper */
.about-sections {
  max-width: 1000px;
  margin: 3rem auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Card Style */
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}

.card h2 {
  font-family: var(--font-heading);
  margin-bottom: 1rem;
  color: var(--color-primary);
}

/* Profile Layout */
.profile {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: center;
}

.profile-text p {
  margin-bottom: 1rem;
}

.profile-image img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: var(--shadow);
}

/* Responsive Adjustments */
@media(max-width: 768px) {
  .profile {
    grid-template-columns: 1fr;
  }
}

  
  /* =======================
     SCHEDULE FORM
     ======================= */
  .schedule {
    max-width: 600px;
    margin: 3rem auto;
    padding: 2rem;
  }
  
  .schedule-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .schedule-form input,
  .schedule-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-family: var(--font-base);
  }
  
  .schedule-form button {
    align-self: flex-start;
  }
  
  /* =======================
     FOOTER
     ======================= */
  footer {
    text-align: center;
    padding: 1.5rem;
    background: var(--color-muted);
    margin-top: 3rem;
    font-size: 0.9rem;
    color: var(--color-text-light);
    position: fixed;
    bottom: 0%;
    width: 100%;
  }

  .bg-transparent {
    padding-bottom: 3rem;
  }
  
  /* =======================
     RESPONSIVE
     ======================= */
  @media(max-width: 768px) {
    .nav-links {
      display: none;
      flex-direction: column;
      gap: 1rem;
      background: var(--color-white);
      position: absolute;
      top: 70px;
      right: 20px;
      padding: 1rem;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
  
    .nav-links.open {
      display: flex;
    }
  
    .hamburger {
      display: block;
    }
  }