/* styles.css - Thiết kế thân thiện nhà nông, kỹ thuật, tối ưu mobile */

/* Cho khu vực filter cho phép tràn để dropdown không bị cắt */
.filter-card,
.filter-card .card,
.filter-card .card-body,
.col-md-6,
.input-group {
  overflow: visible !important;
}

/* Wrapper cho ô tìm kiếm để dropdown bám theo */
.search-wrapper {
  position: relative;   /* thay cho inline style cũ */
  z-index: 20;          /* nổi lên trên grid bên dưới */
}

/* Dropdown bám ngay dưới input, không dùng fixed */
.suggestions-dropdown {
  position: absolute !important;   /* ghi đè nếu trước đây dùng fixed */
  top: calc(100% + 4px);
  left: 0;
  right: 0;

  /* style sẵn có của bạn, gom về CSS luôn */
  background: #fff;
  border: 2px solid rgb(0, 123, 255);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  z-index: 99999 !important;

  /* hiển thị đầy đủ không bị cắt */
  max-height: none !important;
  overflow: visible !important;
  height: auto !important;
}

/* Đảm bảo tất cả container cho phép dropdown hiển thị */
.row,
.col-12,
.card,
.card-body {
  overflow: visible !important;
}

/* ================== KTM DESIGN SYSTEM (Premium UI) ================== */
:root {
  --ktm-bg: #0b1020;
  --ktm-surface: #ffffff;
  --ktm-surface-2: #f8fafc;
  --ktm-text: #0f172a;
  --ktm-muted: #475569;
  --ktm-border: rgba(15, 23, 42, 0.10);

  --ktm-primary: #0d6efd;
  --ktm-primary-2: #2563eb;
  --ktm-accent: #fbbf24;
  --ktm-accent-2: #f59e0b;

  --ktm-radius-sm: 10px;
  --ktm-radius-md: 14px;
  --ktm-radius-lg: 18px;

  --ktm-shadow-sm: 0 8px 20px rgba(2, 6, 23, 0.08);
  --ktm-shadow-md: 0 18px 45px rgba(2, 6, 23, 0.14);
  --ktm-ring: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans', sans-serif;
  line-height: 1.6;
  color: var(--ktm-text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(37, 99, 235, 0.18), transparent 60%),
    radial-gradient(1200px 600px at 90% 0%, rgba(251, 191, 36, 0.14), transparent 55%),
    #ffffff;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

a {
  color: var(--ktm-primary-2);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

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

:focus-visible {
  outline: none;
  box-shadow: var(--ktm-ring) !important;
  border-radius: 10px;
}

/* NOTE: body base styles are defined in KTM DESIGN SYSTEM above */
  
  img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
  }
  
  h1, h2, h3 {
    font-weight: 700;
  }
  
  section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  
  .hero-section {
      background-size: cover;
      background-position: center;
      position: relative;
      color: #fff;
      text-align: center;
  }

  /* Hero (premium) */
  .ktm-hero {
    background-image: var(--hero-bg);
    padding: 5.5rem 0;
    border-bottom: 1px solid rgba(2, 6, 23, 0.10);
    overflow: hidden;
  }

  .ktm-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      linear-gradient(180deg, rgba(2, 6, 23, 0.70) 0%, rgba(2, 6, 23, 0.45) 45%, rgba(2, 6, 23, 0.75) 100%),
      radial-gradient(900px 480px at 20% 10%, rgba(37, 99, 235, 0.25), transparent 60%),
      radial-gradient(900px 480px at 80% 30%, rgba(251, 191, 36, 0.18), transparent 60%);
  }

  .ktm-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 980px;
  }

  .ktm-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px);
    font-weight: 600;
  }

  .ktm-hero-title {
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-top: 16px;
    margin-bottom: 12px;
    font-size: clamp(1.75rem, 3.4vw, 3rem);
  }

  .ktm-hero-subtitle {
    color: rgba(255, 255, 255, 0.92);
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    margin: 0;
  }
  
  .btn {
    border-radius: 30px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
  }

  /* KTM buttons (only applied when ktm-btn class is present) */
  .ktm-btn {
    border-radius: 999px !important;
    padding: 0.7rem 1.05rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.01em;
    border: 1px solid transparent;
    box-shadow: 0 10px 24px rgba(2, 6, 23, 0.14);
  }

  .ktm-btn:hover {
    transform: translateY(-2px);
  }

  .ktm-btn:active {
    transform: translateY(0);
  }

  .ktm-btn-primary {
    color: #fff !important;
    background: linear-gradient(135deg, #2563eb, #0d6efd) !important;
    border-color: rgba(255, 255, 255, 0.18);
  }

  .ktm-btn-accent {
    color: #111827 !important;
    background: linear-gradient(135deg, var(--ktm-accent), var(--ktm-accent-2)) !important;
    border-color: rgba(17, 24, 39, 0.12);
  }

  .ktm-btn-ghost {
    color: var(--ktm-primary-2) !important;
    background: rgba(37, 99, 235, 0.08) !important;
    border-color: rgba(37, 99, 235, 0.18) !important;
    box-shadow: none;
  }

  .ktm-btn-ghost-on-dark {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.12) !important;
    border-color: rgba(255, 255, 255, 0.20) !important;
    box-shadow: none;
  }

  .ktm-btn-icon {
    width: 44px;
    height: 44px;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    border-radius: 999px !important;
    color: var(--ktm-primary-2) !important;
    background: rgba(37, 99, 235, 0.08) !important;
    border-color: rgba(37, 99, 235, 0.18) !important;
    box-shadow: none;
  }
  
  .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
  }
  
  .btn-zalo {
    background-color: #0068ff;
    color: #fff;
  }
  
  .btn-messenger {
    background-color: #0084ff;
    color: #fff;
  }
  
  .btn-warning {
    background-color: #ffc107;
    color: #000;
  }
  
  .btn-primary {
    background-color: #0d6efd;
    color: #fff;
  }
  
  .btn-success {
    background-color: #28a745;
    color: #fff;
  }
  
  .card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
  }

  /* Give cards a more premium feel, without breaking Bootstrap */
  .card {
    background: var(--ktm-surface);
    border: 1px solid var(--ktm-border);
    box-shadow: var(--ktm-shadow-sm);
  }

  .card:hover {
    box-shadow: var(--ktm-shadow-md);
  }
  
  .card-title {
    font-size: 1.1rem;
    font-weight: 700;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .floating-social {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  
  .social-button {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  
  /* Animation fade-up */
  .fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  
  .visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Zoom effect on hover */
  .zoom-on-hover {
    transition: transform 0.3s ease;
  }
  
  .zoom-on-hover:hover {
    transform: scale(1.05);
  }
  
  /* Clickable cursor */
  .clickable {
    cursor: pointer;
  }
  
  /* Modal overlay */
  .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
  }
  
  
  
  /* Video modal */
  .video-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    z-index: 1050;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .video-modal-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
  }
  
  .video-thumb img {
    transition: transform 0.3s;
  }
  
  .video-thumb:hover img {
    transform: scale(1.03);
  }
  
  .modal-overlay-full {
    position: fixed;
    z-index: 9999;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  /* Modal box */
  .modal-box {
    background: white;
    border-radius: 12px;
    max-width: 90%;
    max-height: 90%;
    overflow-y: auto;
    position: relative;
    z-index: 10000;
  }
  
  /* Button close margin */
  .button-close-margin {
    margin: 10px;
  }
  
  /* Fire icon animation */
  .fire-icon {
    animation: flicker 1.5s infinite alternate;
  }
  
  @keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
  }
  
  /* Responsive design */
  @media (max-width: 768px) {
    .hero-section {
      padding: 2rem 0;
    }
    
    .floating-social {
      bottom: 20px;
      right: 20px;
    }
    
    .social-button {
      width: 50px;
      height: 50px;
    }
    
    section {
      padding-top: 2rem;
      padding-bottom: 2rem;
    }
  }
  
  /* Fix horizontal scroll on mobile */
  html, body {
    max-width: 100%;
    overflow-x: hidden;
  }
  
  .container, .row, .btn-group, .table-responsive {
    overflow-x: hidden;
  }
  
  /* Optimize for performance */
  * {
    box-sizing: border-box;
  }
  
  /* Reduce motion for accessibility */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }