/* ==========================================================================
       CSS VARIABLES & GLOBAL RESET
       ========================================================================== */
    :root {
      /* Brand Color Palette */
      --primary-navy: #1a2e5a;
      --secondary-blue: #2c7fb8;
      --deep-blue: #2c5f8a;
      --light-blue: #e8f4fd;
      --border-blue: #bfe1f7;
      --accent-orange: #e8712a;
      --accent-orange-hover: #d05f1d;
      --accent-golden: #d4a843;
      --golden-gradient: linear-gradient(90deg, #e8712a, #f39c12, #d4a843);
      --dark-teal: #1a4a5e;
      --dark-teal-deep: #133848;
      --light-gray: #f0f5fa;
      --bg-white: #ffffff;
      --text-main: #1f2937;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      
      /* Typography */
      --font-heading: 'Montserrat', sans-serif;
      --font-body: 'Open Sans', sans-serif;
      
      /* Shadows & Transitions */
      --shadow-sm: 0 2px 6px rgba(26, 46, 90, 0.05);
      --shadow-md: 0 8px 24px rgba(26, 46, 90, 0.08);
      --shadow-lg: 0 16px 36px rgba(26, 46, 90, 0.12);
      --shadow-glow: 0 0 24px rgba(232, 113, 42, 0.35);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition-fast: 0.25s ease;
      --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: var(--font-body);
      font-size: 18px;
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.6;
      overflow-x: hidden;
    }

    section[id] {
      scroll-margin-top: 85px;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-heading);
      font-weight: 700;
      color: var(--primary-navy);
      line-height: 1.25;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
    }

    /* Container */
    .container {
      width: 100%;
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 36px;
    }

    .section-subtitle-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(44, 127, 184, 0.1);
      color: var(--secondary-blue);
      font-family: var(--font-heading);
      font-size: 0.9rem;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      border: 1px solid rgba(44, 127, 184, 0.2);
    }

    .section-main-title {
      font-family: var(--font-heading);
      font-weight: 800;
      font-size: 28px !important;
      color: var(--primary-navy);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      line-height: 1.3;
      position: relative;
      display: inline-block;
    }

    .section-desc {
      color: var(--text-muted);
      font-size: 1.125rem;
      max-width: 680px;
      margin: 12px auto 0;
    }

    /* Subtle Hexagon Medical Pattern Background */
    .hex-bg-pattern {
      background-color: #f7faff;
      background-image: radial-gradient(#d0e2f2 0.75px, transparent 0.75px), radial-gradient(#d0e2f2 0.75px, #f7faff 0.75px);
      background-size: 30px 30px;
      background-position: 0 0, 15px 15px;
    }

    /* ==========================================================================
       STICKY NAVBAR
       ========================================================================== */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.97);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(26, 46, 90, 0.06);
      transition: all var(--transition-fast);
    }

    .navbar.scrolled {
      background: rgba(255, 255, 255, 0.99);
      box-shadow: 0 2px 16px rgba(26, 46, 90, 0.07);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      transition: height var(--transition-fast);
    }

    .navbar.scrolled .nav-container {
      height: 58px;
    }

    /* Logo */
    .nav-logo {
      display: flex;
      align-items: center;
      cursor: pointer;
      flex-shrink: 0;
      text-decoration: none;
    }

    .nav-logo-img {
      height: 48px;
      width: auto;
      display: block;
      transition: height var(--transition-fast);
    }

    .navbar.scrolled .nav-logo-img {
      height: 40px;
    }

    /* Nav Links */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 16px;
      list-style: none;
    }

    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      position: relative;
      padding: 8px 14px;
      border-radius: 8px;
      transition: all var(--transition-fast);
      white-space: nowrap;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 12px;
      right: 12px;
      height: 2px;
      background: var(--accent-orange);
      border-radius: 2px;
      transform: scaleX(0);
      transition: transform var(--transition-fast);
    }

    .nav-link:hover {
      color: var(--secondary-blue);
      background: rgba(44, 127, 184, 0.05);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      transform: scaleX(1);
    }

    .nav-link.active {
      color: var(--secondary-blue);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .nav-hotline {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-navy);
      padding: 6px 12px;
      border-radius: 8px;
      background: rgba(44, 127, 184, 0.06);
      transition: all var(--transition-fast);
    }

    .nav-hotline:hover {
      background: rgba(44, 127, 184, 0.12);
    }

    .nav-hotline i {
      color: var(--accent-orange);
      font-size: 0.9rem;
    }

    @keyframes phonePulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.1) rotate(-8deg); }
    }

    .nav-cta-btn {
      padding: 9px 20px;
      border-radius: var(--radius-full);
      background: var(--accent-orange);
      color: #fff;
      font-family: var(--font-heading);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      box-shadow: 0 3px 12px rgba(232, 113, 42, 0.3);
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all var(--transition-fast);
      white-space: nowrap;
    }

    .nav-cta-btn:hover {
      transform: translateY(-1px);
      box-shadow: 0 5px 18px rgba(232, 113, 42, 0.4);
      background: var(--accent-orange-hover);
      color: #fff;
    }

    .nav-toggle-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.35rem;
      color: var(--primary-navy);
      cursor: pointer;
      padding: 4px;
    }

    /* Lock body scroll when mobile menu is open */
    body.menu-open {
      overflow: hidden;
    }

    /* Mobile Nav Drawer */
    .mobile-menu {
      position: fixed;
      top: 64px;
      left: 0;
      width: 100%;
      height: calc(100dvh - 64px);
      background: #ffffff;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
      padding: 20px 20px 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      z-index: 999;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-8px);
      transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
      overflow-y: auto;
      border-top: 1px solid #eef2f6;
    }

    .mobile-menu.active {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .mobile-menu-links {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .mobile-nav-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 14px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary-navy);
      border-radius: 12px;
      border-bottom: 1px solid #f1f5f9;
      transition: all var(--transition-fast);
      text-decoration: none;
    }

    .mobile-nav-link i {
      font-size: 0.85rem;
      color: #94a3b8;
      transition: transform var(--transition-fast), color var(--transition-fast);
    }

    .mobile-nav-link:hover,
    .mobile-nav-link.active {
      background: #f0f7fe;
      color: var(--secondary-blue);
      padding-left: 18px;
    }

    .mobile-nav-link:hover i,
    .mobile-nav-link.active i {
      color: var(--secondary-blue);
      transform: translateX(4px);
    }

    .mobile-menu-footer {
      margin-top: 24px;
      padding-top: 18px;
      border-top: 1px solid #e2e8f0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .mobile-cta-btn {
      width: 100%;
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--accent-orange);
      color: #ffffff !important;
      font-family: var(--font-heading);
      font-size: 0.95rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px rgba(232, 113, 42, 0.35);
      border: none;
      text-decoration: none;
      transition: background-color var(--transition-fast), transform var(--transition-fast);
    }

    .mobile-cta-btn:active {
      transform: scale(0.98);
      background: var(--accent-orange-hover);
    }

    .mobile-contact-line {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.88rem;
      color: var(--text-muted);
      padding: 4px 0;
    }

    .mobile-contact-line i {
      color: var(--secondary-blue);
    }

    .mobile-contact-line strong {
      color: var(--primary-navy);
      font-weight: 700;
    }

    /* ==========================================================================
       SECTION 1: HERO SECTION
       ========================================================================== */
    .hero-section {
      position: relative;
      min-height: 700px;
      padding: 135px 0 65px;
      background: #eef5fc url('../images/hero_banner_full.jpg') right center / cover no-repeat;
      overflow: hidden;
      display: flex;
      align-items: center;
    }

    .hero-container {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    .hero-content {
      max-width: 640px;
    }

    .hero-main-heading {
      font-family: var(--font-heading);
      font-size: 28px !important;
      font-weight: 800;
      line-height: 1.25;
      color: var(--primary-navy);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
      white-space: nowrap;
    }

    .hero-second-heading {
      font-family: var(--font-heading);
      font-size: 28px !important;
      font-weight: 800;
      color: var(--primary-navy);
      line-height: 1.25;
      margin-bottom: 28px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      white-space: nowrap;
    }

    .highlight-text {
      color: var(--accent-orange);
    }

    /* 3 Checkmark Bullet Points with golden pill backgrounds */
    .hero-bullet-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 32px;
    }

    .hero-bullet-item {
      display: flex;
      align-items: center;
      gap: 14px;
      background: linear-gradient(90deg, #f8d76a 0%, #ebb434 100%);
      padding: 10px 24px 10px 12px;
      border-radius: 9999px;
      width: 386px;
      max-width: 100%;
      box-shadow: 0 4px 14px rgba(235, 180, 52, 0.3);
      transition: transform var(--transition-fast);
    }

    .hero-bullet-item:hover {
      transform: translateX(4px);
    }

    .hero-bullet-icon {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: #1e427d;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      flex-shrink: 0;
      box-shadow: 0 2px 8px rgba(30, 66, 125, 0.35);
    }

    .hero-bullet-text {
      font-family: var(--font-heading);
      font-size: 1.12rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: #1a2e5a;
      text-transform: uppercase;
    }

    /* Hero CTA Group */
    .hero-cta-group {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .hero-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      padding: 16px 48px;
      border-radius: var(--radius-full);
      background: linear-gradient(135deg, #244b8e 0%, #173468 100%);
      color: #ffffff;
      font-family: var(--font-heading);
      font-size: 1.15rem;
      font-weight: 800;
      letter-spacing: 1px;
      text-transform: uppercase;
      box-shadow: 0 8px 24px rgba(23, 52, 104, 0.35);
      border: none;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: all var(--transition-fast);
    }

    .hero-cta-btn::after {
      content: '';
      position: absolute;
      top: -50%;
      left: -60%;
      width: 200%;
      height: 200%;
      background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.25), transparent);
      transform: rotate(30deg);
      transition: all 0.6s ease;
    }

    .hero-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(23, 52, 104, 0.45);
      color: #fff;
    }

    .hero-cta-btn:hover::after {
      left: 100%;
    }

    /* ==========================================================================
       SECTION 2: STATS / SOCIAL PROOF SECTION
       ========================================================================== */
    .stats-section {
      position: relative;
      width: 100%;
      background-color: #23587b;
      overflow: hidden;
      line-height: 0;
    }

    .stats-banner-wrap {
      width: 100%;
      max-width: 100%;
      margin: 0 auto;
      line-height: 0;
    }

    .stats-banner-img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

    /* Accessibility Screen-Reader Only Utility */
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }



    /* ==========================================================================
       SECTION 3: WHY CHOOSE VIETMEDI (LÝ DO LỰA CHỌN VIETMEDI)
       ========================================================================== */
    .why-us-section {
      padding: 85px 0 105px;
      background: linear-gradient(180deg, #ddf2fc 0%, #ebf7fe 50%, #f4fafd 100%);
      position: relative;
    }

    .why-us-title {
      font-family: var(--font-heading);
      font-size: 28px !important;
      font-weight: 800;
      color: #1e3a6a;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      line-height: 1.3;
      text-align: center;
      margin-bottom: 0;
    }

    /* 5 feature cards layout: 3 on top, 2 centered below */
    .why-cards-grid {
      display: flex;
      flex-direction: column;
      gap: 24px;
      max-width: 1080px;
      margin: 0 auto;
      width: 100%;
    }

    .why-cards-top-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .why-cards-bottom-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      max-width: calc((100% - 48px) / 3 * 2 + 24px);
      margin: 0 auto;
      width: 100%;
    }

    /* Feature Card Styles */
    .why-card {
      position: relative;
      background: #d0ecfa;
      border: 3.5px solid #72b7e5;
      border-radius: 36px;
      padding: 28px 20px 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      box-shadow: 0 10px 26px rgba(21, 56, 102, 0.12);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
    }

    .why-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 36px rgba(21, 56, 102, 0.2);
    }

    .why-card-title {
      font-family: var(--font-heading);
      font-size: 20px;
      font-weight: 800;
      color: #133256;
      margin-bottom: 8px;
      line-height: 1.3;
      text-align: center;
      letter-spacing: -0.2px;
    }

    .why-card-desc {
      font-family: var(--font-body);
      font-size: 14px;
      line-height: 1.48;
      color: #1a3558;
      margin-bottom: 18px;
      text-align: center;
      padding: 0 6px;
      flex-grow: 1;
    }

    .why-card-photo-box {
      width: 100%;
      margin-top: auto;
      border-radius: 24px;
      overflow: hidden;
      line-height: 0;
    }

    .why-card-photo {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 24px;
      object-fit: cover;
    }

    /* ==========================================================================
       SECTION 4: HEALTH CHECKUP PROCESS (QUY TRÌNH KHÁM SỨC KHỎE)
       ========================================================================== */
    .process-section {
      padding: 90px 0 110px;
      background: #e4f3fb url('../images/process_bg.jpg') center top / cover no-repeat;
      position: relative;
    }

    .process-wrapper {
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    .process-main-title {
      font-family: var(--font-heading);
      font-size: 28px !important;
      font-weight: 800;
      color: #1e3a6a;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      line-height: 1.3;
      text-align: center;
      margin-bottom: 0;
    }

    /* Stepper Container with Nav Arrows (14 Steps Smooth Carousel) */
    .stepper-container-relative {
      position: relative;
      max-width: 1080px;
      margin: 0 auto 48px;
      padding: 0 46px;
      width: 100%;
    }

    .stepper-timeline {
      display: flex;
      overflow-x: auto;
      scroll-behavior: smooth;
      scroll-snap-type: x mandatory;
      scrollbar-width: none; /* Firefox */
      -ms-overflow-style: none; /* IE/Edge */
      gap: 0;
      position: relative;
      padding: 8px 0 16px;
      cursor: grab;
      user-select: none;
    }

    .stepper-timeline.grabbing {
      cursor: grabbing;
      scroll-snap-type: none;
    }

    .stepper-timeline::-webkit-scrollbar {
      display: none;
    }

    .step-item {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      cursor: pointer;
      flex: 0 0 20%;
      min-width: 20%;
      max-width: 20%;
      padding: 0 8px;
      scroll-snap-align: start;
      transition: transform var(--transition-fast);
    }

    .step-item:hover {
      transform: translateY(-4px);
    }

    /* Dashed Connecting Line behind the steps */
    .step-item::after {
      content: '';
      position: absolute;
      top: 38px;
      left: 50%;
      width: 100%;
      height: 0;
      border-top: 2px dashed #64b9e8;
      z-index: 1;
    }

    .step-item:last-child::after {
      display: none;
    }

    .step-circle {
      position: relative;
      z-index: 2;
      width: 76px;
      height: 76px;
      border-radius: 50%;
      background: #ffffff;
      border: 2px solid #57aee2;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      box-shadow: 0 4px 14px rgba(44, 127, 184, 0.12);
      transition: all var(--transition-fast);
    }

    .step-item.active .step-circle,
    .step-item:hover .step-circle {
      transform: scale(1.05);
      border-color: #1e3a6a;
      box-shadow: 0 8px 20px rgba(44, 127, 184, 0.25);
      background: #f0f7fd;
    }

    .step-num {
      font-family: var(--font-heading);
      font-size: 1.45rem;
      font-weight: 800;
      color: #1e3a6a;
      line-height: 1;
    }

    .step-title {
      font-family: var(--font-heading);
      font-size: 0.94rem;
      font-weight: 700;
      color: #1e3a6a;
      line-height: 1.4;
      text-align: center;
      max-width: 175px;
      white-space: normal;
    }

    /* Nav Arrows */
    .stepper-arrow-btn {
      position: absolute;
      top: 26px;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: #ffffff;
      border: 1.5px solid #57aee2;
      color: #1e3a6a;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 2px 10px rgba(44, 127, 184, 0.15);
      z-index: 10;
      font-size: 0.9rem;
      transition: all var(--transition-fast);
    }

    .stepper-arrow-btn:hover {
      background: #57aee2;
      color: #ffffff;
      border-color: #57aee2;
      box-shadow: 0 4px 14px rgba(44, 127, 184, 0.3);
    }

    .stepper-arrow-btn.prev-btn {
      left: 0;
    }

    .stepper-arrow-btn.next-btn {
      right: 0;
    }

    /* Video Area Below Timeline */
    .video-block-wrap {
      max-width: 1080px;
      margin: 0 auto;
      width: 100%;
    }

    .video-placeholder-card {
      background: #07152b;
      border: 3.5px solid #57aee2;
      border-radius: 36px;
      width: 100%;
      position: relative;
      overflow: hidden;
      box-shadow: 0 16px 40px rgba(44, 127, 184, 0.25);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .video-placeholder-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 22px 48px rgba(44, 127, 184, 0.35);
    }

    /* Desktop Video: 16:9 Aspect Ratio */
    .video-card-desktop {
      aspect-ratio: 16 / 9;
      display: flex;
    }

    /* Mobile Video: Hidden on Desktop */
    .video-card-mobile {
      display: none;
    }

    .video-native-player {
      width: 100%;
      height: 100%;
      object-fit: contain;
      background: #000000;
      border-radius: 32px;
      display: block;
      outline: none;
    }

    .video-embed-player {
      width: 100%;
      height: 100%;
      border: none;
      display: block;
      border-radius: 22px;
      background: #000000;
    }

    /* ==========================================================================
       SECTION 5: INSURANCE PARTNERS (CÁC ĐỐI TÁC BẢO LÃNH VIỆN PHÍ)
       ========================================================================== */
    .partners-section {
      padding: 95px 0 115px;
      background: #e4f3fb url('../images/process_bg.jpg') center top / cover no-repeat;
      position: relative;
    }

    .partners-title-wrap {
      text-align: center;
      margin-bottom: 36px;
    }

    .partners-main-title {
      font-family: var(--font-heading);
      font-size: 24px !important;
      font-weight: 800;
      color: #1e3a6a;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      line-height: 1.35;
      text-align: center;
      margin-bottom: 0;
    }

    .partners-main-title .title-segment {
      display: inline-block;
      white-space: nowrap;
    }

    .partners-card-wrap {
      max-width: 1080px;
      margin: 0 auto;
      border-radius: 40px;
      box-shadow: 0 20px 50px rgba(44, 127, 184, 0.18);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      background: transparent;
      width: 100%;
    }

    .partners-card-wrap:hover {
      transform: translateY(-4px);
      box-shadow: 0 26px 60px rgba(26, 46, 90, 0.22);
    }

    .partners-card-img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 40px;
    }

    /* ==========================================================================
       SECTION 6: CONTACT / CONSULTATION FORM
       ========================================================================== */
    .contact-section {
      padding: 95px 0 115px;
      background: linear-gradient(180deg, #075d78 0%, #0e6c8b 50%, #137ea2 100%);
      color: #ffffff;
      position: relative;
    }

    .contact-container {
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    .contact-header {
      text-align: center;
      margin-bottom: 36px;
    }

    .contact-main-heading,
    .contact-sub-heading {
      font-family: var(--font-heading);
      font-size: 28px !important;
      font-weight: 800;
      color: #ffffff;
      line-height: 1.25;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin: 0;
      text-align: center;
    }

    .contact-main-heading {
      margin-bottom: 4px;
    }

    .contact-sub-heading {
      margin-bottom: 14px;
    }

    .contact-desc {
      font-family: var(--font-body);
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.95);
      line-height: 1.6;
      max-width: 680px;
      margin: 0 auto;
      text-align: center;
      font-weight: 400;
    }

    .desktop-br {
      display: inline;
    }

    /* White Form Card */
    .contact-form-card {
      background: #ffffff;
      border-radius: 36px;
      padding: 44px 52px 40px;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.16);
      max-width: 880px;
      margin: 0 auto;
      color: #1f2937;
      width: 100%;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px 32px;
      margin-bottom: 22px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-label {
      font-family: var(--font-heading);
      font-size: 0.95rem;
      font-weight: 600;
      color: #1a1a1a;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .req-star {
      color: #e53e3e;
      font-weight: bold;
    }

    .form-control {
      width: 100%;
      height: 52px;
      padding: 0 24px;
      font-size: 1rem;
      border: 1.5px solid #c9d2db;
      border-radius: var(--radius-full);
      background: #ffffff;
      color: #1a1a1a;
      outline: none;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      font-family: var(--font-body);
    }

    .form-control:focus {
      border-color: #136885;
      box-shadow: 0 0 0 3px rgba(19, 104, 133, 0.15);
    }

    .form-control::placeholder {
      color: #8e9aa8;
      font-size: 0.95rem;
    }

    .form-submit-btn {
      width: 100%;
      height: 58px;
      margin-top: 14px;
      border-radius: var(--radius-full);
      background: #e86926;
      color: #ffffff;
      font-family: var(--font-heading);
      font-size: 1.125rem;
      font-weight: 800;
      letter-spacing: 0.8px;
      text-transform: uppercase;
      border: none;
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(232, 105, 38, 0.35);
      transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .form-submit-btn:hover {
      background: #d85c1c;
      box-shadow: 0 12px 26px rgba(232, 105, 38, 0.45);
      transform: translateY(-2px);
    }

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

    /* ==========================================================================
       FOOTER
       ========================================================================== */
    .site-footer {
      background: #111e38;
      color: #cbd5e1;
      padding: 70px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 1rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col-brand .brand-title {
      color: #ffffff;
      margin-bottom: 6px;
    }

    .footer-col-brand .brand-title span {
      color: var(--accent-orange);
    }

    .footer-col-brand p {
      font-size: 1rem;
      color: #94a3b8;
      margin: 16px 0 20px;
      line-height: 1.6;
    }

    .footer-social-links {
      display: flex;
      gap: 12px;
    }

    .social-btn {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all var(--transition-fast);
    }

    .social-btn:hover {
      background: var(--accent-orange);
      transform: translateY(-3px);
    }

    .footer-heading {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-heading::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 32px;
      height: 2.5px;
      background: var(--accent-orange);
      border-radius: 2px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      color: #94a3b8;
      transition: color var(--transition-fast);
    }

    .footer-links-list a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .footer-contact-items {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .f-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      color: #94a3b8;
    }

    .f-contact-item i {
      color: var(--accent-orange);
      margin-top: 4px;
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.95rem;
      color: #64748b;
    }

    /* ==========================================================================
       FLOATING ELEMENTS (CTA & CONTACT WIDGETS)
       ========================================================================== */
    .floating-cta-btn {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background: linear-gradient(135deg, var(--accent-orange) 0%, #f39c12 100%);
      color: #ffffff;
      font-family: var(--font-heading);
      font-size: 1rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      padding: 14px 26px;
      border-radius: var(--radius-full);
      box-shadow: 0 10px 28px rgba(232, 113, 42, 0.45);
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 10px;
      z-index: 990;
      opacity: 0;
      visibility: hidden;
      transform: translateY(20px);
      transition: all var(--transition-normal);
      animation: pulseFloat 3s infinite;
    }

    .floating-cta-btn.visible {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .floating-cta-btn:hover {
      background: var(--accent-orange-hover);
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 32px rgba(232, 113, 42, 0.6);
      color: #fff;
    }

    @keyframes pulseFloat {
      0%, 100% { box-shadow: 0 10px 28px rgba(232, 113, 42, 0.45); }
      50% { box-shadow: 0 10px 36px rgba(232, 113, 42, 0.7); }
    }

    /* Floating Quick Hotline */
    .floating-hotline-btn {
      position: fixed;
      bottom: 30px;
      left: 30px;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: #10b981;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
      z-index: 990;
      transition: all var(--transition-fast);
      cursor: pointer;
    }

    .floating-hotline-btn:hover {
      transform: scale(1.1);
      box-shadow: 0 12px 30px rgba(16, 185, 129, 0.6);
    }

    /* Back To Top */
    .back-to-top {
      position: fixed;
      bottom: 95px;
      right: 35px;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary-navy);
      border: 1px solid var(--border-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      z-index: 980;
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transition: all var(--transition-fast);
    }

    .back-to-top.visible {
      opacity: 1;
      visibility: visible;
    }

    .back-to-top:hover {
      background: var(--secondary-blue);
      color: #ffffff;
      border-color: var(--secondary-blue);
      transform: translateY(-3px);
    }

    /* ==========================================================================
       MODALS (FORM SUCCESS & VIDEO MODAL)
       ========================================================================== */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(6px);
      z-index: 2000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .modal-overlay.active {
      display: flex;
      animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    .modal-content {
      background: #ffffff;
      border-radius: 20px;
      width: 100%;
      max-width: 540px;
      padding: 36px;
      position: relative;
      text-align: center;
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
      animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    @keyframes scaleUp {
      from { transform: scale(0.9); opacity: 0; }
      to { transform: scale(1); opacity: 1; }
    }

    .modal-close-btn {
      position: absolute;
      top: 16px;
      right: 18px;
      background: none;
      border: none;
      font-size: 1.4rem;
      color: #94a3b8;
      cursor: pointer;
      transition: color var(--transition-fast);
    }

    .modal-close-btn:hover {
      color: var(--primary-navy);
    }

    /* Enhanced Success Modal */
    .modal-success-card {
      max-width: 520px;
      padding: 36px 30px 30px;
      border-radius: 28px;
      border: 1.5px solid rgba(44, 127, 184, 0.2);
    }

    .modal-success-icon {
      width: 68px;
      height: 68px;
      border-radius: 50%;
      background: linear-gradient(135deg, #22c55e, #16a34a);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
      margin: 0 auto 16px;
      box-shadow: 0 8px 20px rgba(34, 197, 94, 0.35);
      animation: pulseSuccess 2s infinite ease-in-out;
    }

    @keyframes pulseSuccess {
      0%, 100% { transform: scale(1); box-shadow: 0 8px 20px rgba(34, 197, 94, 0.35); }
      50% { transform: scale(1.06); box-shadow: 0 12px 28px rgba(34, 197, 94, 0.5); }
    }

    .modal-title {
      font-family: var(--font-heading);
      font-size: 22px;
      font-weight: 800;
      color: #1a2e5a;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }

    .modal-subtitle {
      color: #475569;
      font-size: 0.94rem;
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .modal-summary-box {
      background: #f0f7fd;
      border: 1.5px solid #cce5f8;
      border-radius: 16px;
      padding: 14px 18px;
      margin: 16px 0;
      text-align: left;
      font-size: 0.92rem;
    }

    .modal-summary-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 6px 0;
      border-bottom: 1px dashed #dbeafe;
    }

    .modal-summary-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .modal-summary-label {
      color: #64748b;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .modal-summary-label i {
      color: #2c7fb8;
      font-size: 13px;
    }

    .modal-summary-val {
      color: #1a2e5a;
      font-weight: 700;
      text-align: right;
      max-width: 60%;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .modal-hotline-note {
      font-size: 0.9rem;
      color: #64748b;
      margin-bottom: 18px;
    }

    .modal-hotline-link {
      color: #e8712a;
      font-weight: 800;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      transition: color 0.2s ease;
    }

    .modal-hotline-link:hover {
      color: #cf5e1b;
      text-decoration: underline;
    }

    .modal-ok-btn {
      margin-top: 0;
      padding: 14px 32px;
      font-size: 1.05rem;
      letter-spacing: 1px;
    }

    /* Form Validation State */
    .form-control.is-invalid {
      border-color: #ef4444 !important;
      background-color: #fff8f8 !important;
      box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
    }

    /* Video Player Modal Box */
    .modal-video-content {
      background: #000000;
      border-radius: 16px;
      width: 100%;
      max-width: 860px;
      padding: 0;
      overflow: hidden;
      position: relative;
    }

    .video-frame-holder {
      position: relative;
      padding-bottom: 56.25%;
      height: 0;
      background: #0b1329;
    }

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

    /* ==========================================================================
       SCROLL REVEAL ANIMATIONS
       ========================================================================== */
    .reveal-on-scroll {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal-on-scroll.revealed {
      opacity: 1;
      transform: translateY(0);
    }

    /* Stagger delays */
    .delay-1 { transition-delay: 0.1s; }
    .delay-2 { transition-delay: 0.2s; }
    .delay-3 { transition-delay: 0.3s; }
    .delay-4 { transition-delay: 0.4s; }

    /* ==========================================================================
       RESPONSIVE BREAKPOINTS
       ========================================================================== */
    @media (max-width: 1024px) {
      .hero-section {
        min-height: 600px;
        background-position: 80% center;
      }

      .hero-container {
        display: block;
      }

      .hero-content {
        max-width: 540px;
        margin: 0;
      }

      .hero-main-heading,
      .hero-second-heading {
        white-space: normal;
      }

      .hero-bullet-list {
        align-items: flex-start;
      }

      .hero-bullet-item {
        width: 386px;
        max-width: 100%;
      }

      .hero-cta-group {
        justify-content: flex-start;
      }

      .why-cards-top-row {
        grid-template-columns: repeat(2, 1fr);
      }

      .why-cards-bottom-row {
        grid-template-columns: repeat(2, 1fr);
        max-width: 100%;
      }

      .step-item {
        flex: 0 0 33.333%;
        min-width: 33.333%;
        max-width: 33.333%;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .navbar,
      .navbar.scrolled {
        height: 60px;
      }

      .nav-container,
      .navbar.scrolled .nav-container {
        height: 60px;
      }

      .nav-links, .nav-actions {
        display: none;
      }

      .nav-logo-img {
        height: 36px;
      }

      .nav-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
      }

      .mobile-menu {
        top: 60px;
        height: calc(100dvh - 60px);
      }

      .hero-section {
        padding: 110px 0 50px;
        min-height: auto;
        background-position: 70% center;
      }

      .hero-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(238, 245, 252, 0.94) 0%, rgba(238, 245, 252, 0.90) 60%, rgba(238, 245, 252, 0.75) 100%);
        z-index: 1;
        pointer-events: none;
      }

      .hero-container {
        position: relative;
        z-index: 2;
        justify-content: center;
      }

      .hero-content {
        text-align: center;
        margin: 0 auto;
      }

      .hero-main-heading,
      .hero-second-heading,
      .why-us-title,
      .process-main-title,
      .contact-main-heading,
      .contact-sub-heading {
        font-size: 24px !important;
        line-height: 1.3;
        white-space: normal;
      }

      .partners-main-title {
        font-size: 20px !important;
        line-height: 1.35;
        white-space: normal;
      }

      .hero-bullet-item {
        width: 100%;
        max-width: 360px;
        margin: 0 auto;
        padding: 9px 18px 9px 10px;
        justify-content: center;
      }

      .hero-bullet-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
      }

      .hero-bullet-text {
        font-size: 0.95rem;
      }

      .hero-cta-group {
        justify-content: center;
      }

      .hero-cta-btn {
        padding: 14px 36px;
        font-size: 1rem;
        width: 100%;
        max-width: 320px;
      }

      .stats-banner-img {
        min-height: 240px;
        object-fit: cover;
        object-position: center;
      }

      .section-title-wrap {
        margin-bottom: 28px;
      }

      .why-us-title {
        margin-bottom: 0;
      }

      .why-cards-top-row,
      .why-cards-bottom-row {
        grid-template-columns: 1fr;
        max-width: 360px;
        margin: 0 auto;
        gap: 20px;
      }

      .why-card {
        border-radius: 28px;
        border-width: 3px;
        padding: 24px 16px 16px;
      }

      .why-card-title {
        font-size: 18px !important;
        margin-bottom: 8px;
      }

      .why-card-desc {
        font-size: 13.5px;
        line-height: 1.45;
        margin-bottom: 14px;
        padding: 0;
      }

      .why-card-photo-box,
      .why-card-photo {
        border-radius: 20px;
      }

      .process-main-title {
        margin-bottom: 0;
      }

      .stepper-container-relative {
        padding: 0;
        margin-bottom: 30px;
      }

      .stepper-arrow-btn {
        display: none;
      }

      .stepper-timeline {
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
        overflow-x: visible;
        padding: 0;
        cursor: default;
      }

      .step-item {
        flex: none;
        min-width: auto;
        max-width: 100%;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        text-align: left;
        gap: 16px;
        background: #ffffff;
        padding: 12px 18px;
        border-radius: 16px;
        border: 1.5px solid var(--border-blue);
        box-shadow: 0 3px 10px rgba(44, 127, 184, 0.07);
      }

      .step-item::after {
        display: none;
      }

      .step-circle {
        margin-bottom: 0;
        width: 48px;
        height: 48px;
        flex-shrink: 0;
        border-width: 1.5px;
      }

      .step-num {
        font-size: 1.15rem;
      }

      .step-title {
        max-width: none;
        font-size: 0.94rem;
        font-weight: 700;
        text-align: left !important;
        color: var(--primary-navy);
        line-height: 1.35;
        flex: 1;
        margin: 0;
      }

      .step-title br {
        display: none;
      }

      .video-block-wrap {
        max-width: 340px;
        margin: 0 auto;
        width: 100%;
      }

      /* On Mobile: Hide Desktop 16:9 Video */
      .video-card-desktop {
        display: none !important;
      }

      /* On Mobile: Show Vertical 9:16 YouTube Shorts Video */
      .video-card-mobile {
        display: flex !important;
        aspect-ratio: 9 / 16;
        border-radius: 26px;
        border-width: 3px;
        min-height: auto;
      }

      .partners-section {
        padding: 60px 0 75px;
      }

      .partners-title-wrap {
        margin-bottom: 24px;
      }

      .partners-main-title {
        margin-bottom: 0;
      }

      .partners-card-wrap {
        border-radius: 24px;
        box-shadow: 0 10px 28px rgba(44, 127, 184, 0.14);
        max-width: 100%;
      }

      .partners-card-img {
        border-radius: 24px;
      }

      .contact-section {
        padding: 60px 0 75px;
      }

      .contact-header {
        margin-bottom: 24px;
      }

      .desktop-br {
        display: none;
      }

      .contact-desc {
        font-size: 0.95rem;
        padding: 0 10px;
      }

      .contact-form-card {
        padding: 32px 20px 28px;
        border-radius: 24px;
      }

      .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 16px;
      }

      .form-control {
        height: 48px;
        padding: 0 18px;
      }

      .form-submit-btn {
        height: 52px;
        font-size: 1rem;
        margin-top: 8px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .floating-cta-btn {
        padding: 12px 20px;
        font-size: 0.95rem;
        bottom: 20px;
        right: 15px;
      }

      .floating-hotline-btn {
        bottom: 20px;
        left: 15px;
        width: 46px;
        height: 46px;
      }

      .back-to-top {
        display: none;
      }
    }

    @media (max-width: 480px) {
      .partners-main-title {
        font-size: 19px !important;
        line-height: 1.35;
      }

      .why-card-title {
        font-size: 17px !important;
      }

      .why-card-desc {
        font-size: 13px;
      }
    }

/* ==========================================================================
   FLOATING CONTACT BUTTONS (VERTICAL STACK - BOTTOM RIGHT)
   ========================================================================== */
.floating-contact-stack {
  position: fixed;
  right: 20px;
  bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
  align-items: flex-end;
}

.floating-contact-btn {
  position: relative;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
}

.floating-contact-btn:hover {
  transform: scale(1.1) translateY(-2px);
}

/* Tooltip on desktop hover */
.floating-contact-btn .btn-tooltip {
  position: absolute;
  right: 60px;
  background: rgba(26, 46, 90, 0.94);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  padding: 6px 14px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: all 0.25s ease;
}

.floating-contact-btn .btn-tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 5px 0 5px 5px;
  border-style: solid;
  border-color: transparent transparent transparent rgba(26, 46, 90, 0.94);
}

.floating-contact-btn:hover .btn-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* 1. Zalo Button */
.floating-contact-btn.btn-zalo {
  background: linear-gradient(135deg, #0088fe 0%, #0068ff 100%);
  border: 2px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.45);
}

.floating-contact-btn.btn-zalo:hover {
  box-shadow: 0 8px 22px rgba(0, 104, 255, 0.65);
}

.floating-contact-btn.btn-zalo .zalo-label {
  color: #ffffff;
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: -0.4px;
  line-height: 1;
  user-select: none;
}

/* 2. Messenger Button */
.floating-contact-btn.btn-messenger {
  background: linear-gradient(135deg, #0099ff 0%, #0078ff 100%);
  border: 2px solid rgba(255, 255, 255, 0.85);
  color: #ffffff;
  font-size: 24px;
  box-shadow: 0 4px 14px rgba(0, 120, 255, 0.45);
}

.floating-contact-btn.btn-messenger:hover {
  box-shadow: 0 8px 22px rgba(0, 120, 255, 0.65);
}

/* 3. Hotline Phone Button */
.floating-contact-btn.btn-hotline {
  background: linear-gradient(135deg, #4ade80 0%, #22c55e 50%, #16a34a 100%);
  border: 2px solid rgba(255, 255, 255, 0.85);
  color: #ffffff;
  font-size: 21px;
  box-shadow: 0 4px 14px rgba(34, 197, 94, 0.45);
  animation: hotlinePulse 2s infinite;
}

.floating-contact-btn.btn-hotline:hover {
  box-shadow: 0 8px 22px rgba(34, 197, 94, 0.7);
}

.floating-contact-btn.btn-hotline .phone-icon-anim {
  animation: phoneRing 2s infinite ease-in-out;
}

@keyframes hotlinePulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7), 0 4px 14px rgba(34, 197, 94, 0.45);
  }
  65% {
    box-shadow: 0 0 0 12px rgba(34, 197, 94, 0), 0 4px 14px rgba(34, 197, 94, 0.45);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0), 0 4px 14px rgba(34, 197, 94, 0.45);
  }
}

@keyframes phoneRing {
  0%, 100% { transform: rotate(0deg); }
  10%, 30% { transform: rotate(-15deg); }
  20%, 40% { transform: rotate(15deg); }
  50% { transform: rotate(0deg); }
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .floating-contact-stack {
    right: 14px;
    bottom: 20px;
    gap: 10px;
  }

  .floating-contact-btn {
    width: 44px;
    height: 44px;
  }

  .floating-contact-btn.btn-zalo .zalo-label {
    font-size: 13px;
  }

  .floating-contact-btn.btn-messenger {
    font-size: 21px;
  }

  .floating-contact-btn.btn-hotline {
    font-size: 19px;
  }

  .floating-contact-btn .btn-tooltip {
    display: none !important;
  }
}