/* ===================== */
/* 肌 Reset & Base Styles */
/* ===================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* Disable user selection for a cleaner presentation */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
html {
  scroll-behavior: smooth; /* Smooth scrolling for anchor links */
}
body {
  font-family: 'Inter', sans-serif; /* Consistent modern sans-serif font */
  background-color: #f8f9fa; /* Soft off-white base background */
  color: #343a40; /* Darker text for readability in light mode */
  line-height: 1.6;
  overflow-x: hidden; /* Prevent horizontal scroll */
}

nav a, nav span, nav div {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: auto; /* still clickable */
  -webkit-user-drag: none;
  user-drag: none;
}


/* Reusable Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem; /* Consistent padding */
}

/* Accessibility Focus */
:focus {
  outline: 3px solid #ffc107 !important; /* Prominent yellow focus outline for accessibility and style */
  outline-offset: 4px;
  border-radius: 4px; /* Ensure rounded focus for inputs */
}

/* Lock Images */
img {
  pointer-events: none; /* Prevent image dragging/interaction */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  user-drag: none;
  max-width: 100%; /* Ensure images are responsive */
  height: auto;
}

/* ===================== */
/* 塙 Navigation Bar */
/* ===================== */
.navbar {
  background: linear-gradient(to right, #1a237e, #4a148c); /* Deep blue to rich purple gradient */
  padding: 1rem 0;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25); /* More pronounced shadow */
  position: fixed;
  width: 100%;
  z-index: 1000; /* Ensure navbar is always on top */
}
.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
  position: relative; /* Add this for the absolute menu positioning */
}
.brand-logo {
  font-size: 1.9rem; /* Slightly larger brand name */
  font-weight: 800; /* Bolder brand name */
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.08em; /* Increased letter spacing for classic feel */
  text-shadow: 1px 1px 3px rgba(0,0,0,0.3); /* Subtle text shadow */
}

/* Hamburger button styles - hidden by default */
.hamburger-menu {
  display: none; /* Hide on desktop */
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: #fff;
  transition: transform 0.3s ease;
  z-index: 1001;
}

.hamburger-menu:focus {
    outline: 3px solid #ffc107 !important;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem; /* More spacing between nav items */
  font-size: 1.05rem; /* Slightly larger font size */
}
.nav-link-item {
  color: #e0e0e0; /* Softer white for links */
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease, transform 0.2s ease, text-shadow 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.6rem; /* Slightly more space for icon */
}
.nav-link-item:hover, .nav-link-item.active {
  color: #ffdb58; /* Brighter yellow on hover and active */
  transform: translateY(-3px); /* More pronounced lift effect */
  text-shadow: 0 0 8px rgba(255, 219, 88, 0.6); /* Glow effect */
}
.nav-auth-button {
  background-color: #ffc107; /* Bright yellow button */
  color: #1a237e !important; /* Deep blue text for contrast */
  padding: 0.7rem 1.4rem; /* Generous padding */
  border-radius: 9999px; /* Pill-shaped button */
  font-weight: 700; /* Bolder text */
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4); /* Soft shadow */
}
.nav-auth-button:hover {
  background-color: #ffdb58; /* Lighter yellow on hover */
  transform: translateY(-2px) scale(1.03); /* Subtle lift and scale */
  box-shadow: 0 6px 15px rgba(255, 193, 7, 0.6); /* Enhanced shadow */
}

/* ===================== */
/* ｧｱ Footer */
/* ===================== */
.main-footer {
  background-color: #1e1e2e; /* Deep dark background for footer */
  color: #adb5bd; /* Soft gray text */
  padding: 3rem 0; /* More vertical padding */
  text-align: center;
  box-shadow: inset 0 6px 20px rgba(0, 0, 0, 0.2); /* Inner shadow for depth */
}
.main-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem; /* More spacing */
}
.social-links {
  display: flex;
  justify-content: center;
  gap: 2rem; /* Wider spacing for social icons */
  margin-top: 1rem;
}
.social-icon {
  color: #adb5bd;
  font-size: 1.7rem; /* Larger social icons */
  transition: color 0.3s ease, transform 0.2s ease;
}
.social-icon:hover {
  color: #ffc107; /* Yellow on hover */
  transform: translateY(-5px) scale(1.1); /* Lift and slight scale */
}

footer, footer a, footer span, footer img, footer div {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: auto; /* still clickable */
  -webkit-user-drag: none;
  user-drag: none;
}

/* ===================== */
/* Custom styles for About Page */
/* ===================== */
.about-hero {
    position: relative;
    height: 60vh; /* Taller hero section for more impact */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fffb00;
    padding: 0 1.5rem;
    background-image: url('fire2.jpg'); /* Placeholder for your background image */
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    box-shadow: 0 10px 30px rgba(0,0,0,0.4); /* Stronger shadow for the hero bottom */
    /* REMOVED: margin-top: 5rem; */ /* This was causing the white space */
}
.about-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7); /* Slightly darker overlay */
    backdrop-filter: blur(3px); /* Subtle blur for depth */
}
.about-hero-content {
    position: relative;
    z-index: 10;
    animation: fadeInScale 1s ease-out; /* Custom animation for hero content */
}
.about-hero-title {
    font-size: 4rem; /* Larger, more impactful title */
    font-weight: 900; /* Extra bold */
    margin-bottom: 1rem;
    margin-top: 5rem;
    line-height: 1;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5); /* Clearer text shadow */
    letter-spacing: 0.05em; /* Classic touch */
}
.about-hero-subtitle {
    font-size: 1.8rem; /* Larger subtitle */
    font-weight: 300;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.4);
    max-width: 800px;
    margin: 0 auto;
    color: #ffffff;
}

/* Section specific styles */
.our-story-section, .mission-vision-section, .values-section, .leaders-section, .cta-section {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.section-title {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.1);
}

.section-description {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
}

/* Values Section Icons */
.value-item i {
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1)); /* Subtle shadow for icons */
}

/* Leaders Section specific styles */
.leader-card {
    background-color: #f8f8fa; /* Light background for leader cards */
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}
.leader-card:hover {
    box-shadow: 0 15px 40px rgba(179, 255, 0, 0.1);
    transform: translateY(-8px) scale(1.02);
}
.leader-card img {
    border-radius: 50%; /* Circular images */
    border: 4px solid #ffc107; /* Yellow border for emphasis */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}
.leader-card h3 {
    color: #1a237e; /* Deep blue for names */
    font-weight: 700;
}
.leader-card p.font-semibold {
    color: #4a148c; /* Purple for roles */
}
.leader-card p.leading-relaxed {
    color: #555; /* Slightly darker text for description */
}


/* ===================== */
/* Dark Mode adjustments for about page */
/* ===================== */
body.dark-mode {
    background-color: #12121e; /* Even darker body background */
    color: #e9ecef;
}
body.dark-mode .navbar {
    background: linear-gradient(to right, #0a0e2f, #2d0b42); /* Darker navbar gradient */
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}
body.dark-mode .brand-logo {
    text-shadow: 1px 1px 3px rgba(255, 193, 7, 0.3);
}
body.dark-mode .nav-link-item {
    color: #adb5bd;
}
body.dark-mode .nav-link-item:hover, body.dark-mode .nav-link-item.active {
    color: #ffc107;
    text-shadow: 0 0 8px rgba(255, 193, 7, 0.6);
}
body.dark-mode .nav-auth-button {
    background-color: #ffc107;
    color: #1a237e;
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
}
body.dark-mode .nav-auth-button:hover {
    background-color: #e0ac02;
    box-shadow: 0 6px 15px rgba(255, 193, 7, 0.6);
}

body.dark-mode .main-footer {
    background-color: #12121e;
    color: #8a8a9a;
    box-shadow: inset 0 6px 20px rgba(0, 0, 0, 0.35);
}
body.dark-mode .social-icon {
    color: #8a8a9a;
}
body.dark-mode .social-icon:hover {
    color: #ffc107;
}

body.dark-mode .about-hero-overlay {
    background-color: rgba(0, 0, 0, 0.8); /* Even darker overlay in dark mode */
}

body.dark-mode .our-story-section {
    background-color: #1e1e2e;
}
body.dark-mode .our-story-section .section-title {
    color: #ffc107; /* Yellow title in dark mode */
}
body.dark-mode .our-story-section .section-description {
    color: #adb5bd;
}
body.dark-mode .mission-vision-section {
    background-color: #12121e;
}

body.dark-mode .values-section {
    background-color: #1e1e2e;
}
body.dark-mode .values-section .section-title {
    color: #ffc107; /* Yellow title in dark mode */
}
body.dark-mode .value-item {
    background-color: #2b3035;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
body.dark-mode .value-item h3 {
    color: #e9ecef;
}
body.dark-mode .value-item p {
    color: #adb5bd;
}

/* Dark mode for Leaders Section */
body.dark-mode .leaders-section {
    background-color: #12121e;
}
body.dark-mode .leaders-section .section-title {
    color: #ffc107; /* Yellow title in dark mode */
}
body.dark-mode .leader-card {
    background-color: #2b3035; /* Darker card background */
    border-color: #3e444c;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
body.dark-mode .leader-card h3 {
    color: #fff;
}
body.dark-mode .leader-card p.font-semibold {
    color: #ffdb58; /* Lighter yellow for roles in dark mode */
}
body.dark-mode .leader-card p.leading-relaxed {
    color: #adb5bd;
}


/* ===================== */
/* Animations */
/* ===================== */
@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* ===================== */
/* 導 Responsive Adjustments */
/* ===================== */
@media (min-width: 768px) { /* Medium screens and up */
    .about-hero-title {
        font-size: 5.5rem;
    }
    .about-hero-subtitle {
        font-size: 2rem;
    }
}

@media (max-width: 767px) { /* Small screens (mobile) */
  /* Re-adjust navbar container for mobile */
  .navbar-container {
    flex-direction: row; /* Keep elements in a row */
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
  }
  
  /* Show the hamburger menu button */
  .hamburger-menu {
      display: block;
  }

  /* Make the navigation links collapsible */
  .nav-links {
    position: absolute;
    top: 100%; /* Position below the navbar */
    left: 0;
    width: 100%;
    max-height: 0; /* Initially hidden */
    overflow: hidden;
    background: linear-gradient(to right, #1a237e, #4a148c);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
    flex-direction: column;
    align-items: center;
    padding: 0;
  }
  
  /* Class to show the menu */
  .nav-links.open {
    max-height: 500px; /* A large enough value to reveal all links */
    padding: 1rem 0; /* Add vertical padding when open */
    gap: 1.5rem;
  }

  .about-hero {
      height: 40vh; /* Shorter hero on mobile */
      /* REMOVED: margin-top: 4rem; */ /* This was causing the white space */
  }
  .about-hero-title {
    font-size: 3rem;
  }
  .about-hero-subtitle {
    font-size: 1.25rem;
  }

  /* Adjustments for sections on mobile */
  .our-story-section, .mission-vision-section, .values-section, .leaders-section, .cta-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
  .our-story-section .container, .mission-vision-section .container, .values-section .container, .leaders-section .container, .cta-section .container {
    flex-direction: column;
    gap: 2rem;
  }
  .section-title {
    font-size: 2.5rem;
  }
  .section-description, .card-description {
    font-size: 1rem;
  }
  .card-title {
    font-size: 2rem;
  }
  .value-item h3 {
    font-size: 1.5rem;
  }
  .value-item p {
    font-size: 0.95rem;
  }
  .cta-section h2 {
    font-size: 2.5rem;
  }
  .cta-section p {
    font-size: 1.1rem;
  }
  .cta-section a {
    padding: 0.8rem 2.5rem;
    font-size: 1rem;
  }
  /* Leaders specific mobile adjustments */
  .leaders-section .grid {
    grid-template-columns: 1fr; /* Stack cards on mobile */
    gap: 2.5rem;
  }
  .leader-card {
    padding: 2.5rem 1.5rem;
  }
  .leader-card h3 {
    font-size: 2rem;
  }
  .leader-card p.font-semibold {
    font-size: 1.1rem;
  }
  .leader-card p.leading-relaxed {
    font-size: 0.95rem;
  }
}