:root {
      --bg: #030712;
      --text: #f9fafb;
      --muted: #d1d5db;
      --primary: #0dccc6;
      --secondary: #1d4b80;
      --glass: rgba(255, 255, 255, .05);
      --glass-border: rgba(255, 255, 255, .1);
      --card-bg: #111827;
      --card-shadow: 0 10px 40px rgba(0, 0, 0, .5);
    }

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

    a {
      color: var(--primary);
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 4px;
      transition: color .3s ease;
    }

    a:hover {
      text-decoration: underline;
      filter: brightness(1.2);
    }

    html {
      scroll-behavior: smooth
    }

    .reveal-on-scroll {
      opacity: 1;
      transform: translateY(0);
      transition: all .8s ease-out;
    }

    body.js-loaded .reveal-on-scroll:not(.reveal-active) {
      opacity: 0;
      transform: translateY(40px);
    }

    .reveal-active {
      opacity: 1;
      transform: translateY(0);
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px
    }

    .skip-link {
      position: absolute;
      left: -999px;
      top: auto;
      width: 1px;
      height: 1px;
      overflow: hidden
    }

    .skip-link:focus {
      left: 16px;
      top: 16px;
      width: auto;
      height: auto;
      background: #111;
      color: #fff;
      padding: .75rem 1rem;
      border-radius: .5rem;
      z-index: 2000
    }

    .bg-animation {
      position: fixed;
      inset: 0;
      z-index: -2;
      background: radial-gradient(circle at 50% 50%, #0f172a 0%, #030712 100%);
      opacity: .85
    }

    .bg-animation::before {
      content: "";
      position: absolute;
      top: -50%;
      left: -50%;
      width: 300%;
      height: 300%;
      background: radial-gradient(circle, rgba(13, 204, 198, .15) 0%, transparent 60%);
      animation: pulse 8s ease-in-out infinite;
      will-change: transform, opacity
    }

    @keyframes pulse {

      0%,
      100% {
        transform: scale(1);
        opacity: .45
      }

      50% {
        transform: scale(1.15);
        opacity: .28
      }
    }

    .particles {
      position: absolute;
      inset: 0;
      z-index: -1;
      pointer-events: none
    }

    .particle {
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: rgba(13, 204, 198, .55);
      opacity: .6;
      filter: blur(.25px);
      top: -10px;
      animation: float var(--dur, 14s) linear infinite;
      transform: translateY(-10vh)
    }

    @keyframes float {
      to {
        transform: translateY(110vh) translateX(20px);
        opacity: .2
      }
    }

    header {
      position: fixed;
      inset-block-start: 0;
      inset-inline: 0;
      z-index: 1000;
      background: rgba(3, 7, 18, .85);
      backdrop-filter: blur(20px);
      box-shadow: 0 4px 20px rgba(0, 0, 0, .4);
      border-bottom: 1px solid rgba(255, 255, 255, .05);
      animation: slideDown .6s ease-out
    }

    @supports not (backdrop-filter: blur(20px)) {
      header {
        background: #030712;
      }
    }

    @keyframes slideDown {
      from {
        transform: translateY(-100%)
      }

      to {
        transform: translateY(0)
      }
    }

    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 0
    }

    .logo img {
      display: block;
      height: auto;
      width: auto;
      max-height: 45px;
      max-width: 100%;
      filter: brightness(1.1) drop-shadow(0 0 10px rgba(13, 204, 198, .15));
      transition: filter .3s ease
    }

    .logo a:hover img {
      filter: brightness(1.2) drop-shadow(0 0 15px rgba(13, 204, 198, .3));
    }

    nav ul {
      list-style: none;
      display: flex;
      gap: 2.5rem
    }

    nav a {
      color: var(--muted);
      text-decoration: none;
      font-weight: 600;
      font-size: 1rem;
      transition: color .3s ease, transform .3s ease
    }

    nav a:hover,
    nav a:focus-visible {
      color: var(--primary);
      transform: scale(1.05)
    }

    .lang-switch {
      display: flex;
      align-items: center;
      gap: .5rem;
      margin-left: 1rem
    }

    .lang-switch a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, .16);
      text-decoration: none;
      font-size: 1.1rem
    }

    .lang-switch a:hover,
    .lang-switch a:focus-visible {
      background: rgba(255, 255, 255, .06)
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 0;
      cursor: pointer;
      inline-size: 44px;
      block-size: 44px;
      border-radius: 8px
    }

    .menu-toggle:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px
    }

    .hamburger {
      width: 26px;
      height: 2px;
      background: #fff;
      position: relative;
      transition: all .3s ease;
      margin: auto
    }

    .hamburger::before,
    .hamburger::after {
      content: "";
      position: absolute;
      left: 0;
      width: 26px;
      height: 2px;
      background: #fff;
      transition: all .3s ease
    }

    .hamburger::before {
      top: -8px
    }

    .hamburger::after {
      bottom: -8px
    }

    .nav-active .hamburger {
      background: transparent
    }

    .nav-active .hamburger::before {
      transform: translateY(8px) rotate(45deg)
    }

    .nav-active .hamburger::after {
      transform: translateY(-8px) rotate(-45deg)
    }

    .hero {
      min-height: 100vh;
      min-height: 100dvh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 100px 0 60px;
      position: relative;
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 850px;
      animation: fadeInUp 1.2s ease-out;
      width: 100%
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(40px)
      }

      to {
        opacity: 1;
        transform: translateY(0)
      }
    }

    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.5rem);
      margin-bottom: 1.5rem;
      background: linear-gradient(135deg, #fff 20%, var(--primary) 80%);
      background-clip: text;
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-wrap: balance
    }

    .hero p {
      font-size: 1.3rem;
      margin-bottom: 2.25rem;
      color: var(--muted);
      font-weight: 500
    }

    .highlight {
      color: var(--primary);
      font-weight: 700
    }

    .hero-visual {
      max-width: 980px;
      margin: 24px auto 0;
      display: block;
      filter: drop-shadow(0 15px 30px rgba(0, 0, 0, .08));
    }

    .hero-visual svg {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(13, 204, 198, .06), rgba(29, 75, 128, .12));
    }

    .section {
      padding: 3rem 0
    }

    .section-title {
      font-size: clamp(1.6rem, 3vw, 2.4rem);
      text-align: center;
      margin-bottom: 1.5rem;
      text-wrap: balance
    }

    .section-subtitle {
      font-size: 1.1rem;
      text-align: center;
      margin: 0 auto 2rem;
      opacity: .85;
      max-width: 900px
    }

    .features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      margin: 2.5rem 0
    }

    .feature-card {
      background: var(--card-bg);
      border: 1px solid var(--glass-border);
      border-radius: 24px;
      padding: 2rem;
      text-align: center;
      transition: transform .35s ease, box-shadow .35s ease;
      box-shadow: var(--card-shadow);
      will-change: transform, box-shadow
    }

    .feature-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 40px rgba(13, 204, 198, .2);
      border-color: var(--primary)
    }

    .feature-icon {
      font-size: 2.5rem;
      margin-bottom: .8rem
    }

    .partners-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      align-items: center
    }

    .partner-logo-container {
      background: #fff;
      border-radius: 20px;
      padding: 2rem;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 150px;
      transition: transform .3s ease, box-shadow .3s ease
    }

    .partner-logo-container:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 30px rgba(13, 204, 198, .15)
    }

    .partner-logo-container img {
      max-width: 100%;
      max-height: 80px;
      object-fit: contain;
      display: block
    }

    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem
    }

    .reviews-grid>.review-card:nth-child(n+7) {
      display: none
    }

    .review-card {
      background: var(--card-bg);
      border: 1px solid var(--glass-border);
      border-radius: 20px;
      padding: 1.5rem;
      transition: transform .3s ease, box-shadow .3s ease;
      box-shadow: var(--card-shadow)
    }

    .review-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, .1)
    }

    .review-head {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: .75rem
    }

    .review-avatar {
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .12);
      display: inline-block;
      background-position: center;
      border: 1px solid rgba(255, 255, 255, .15);
      background-repeat: no-repeat;
      background-size: 44px 44px
    }

    .review-meta {
      display: flex;
      flex-direction: column;
      min-width: 0
    }

    .review-name {
      font-weight: 700;
      line-height: 1.25;
      margin-bottom: 2px
    }

    .review-role {
      opacity: .85;
      font-size: .95rem;
      line-height: 1.25
    }

    .stars {
      letter-spacing: 2px;
      margin: .35rem 0
    }

    @supports not (gap: 1rem) {
      .review-head>*+* {
        margin-left: 16px;
      }
    }

    blockquote {
      margin: 0;
      opacity: .95
    }

    .video-wrapper {
      position: relative;
      padding-bottom: 56.25%;
      height: 0;
      overflow: hidden;
      max-width: 100%;
      margin: 0 auto;
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(13, 204, 198, .2)
    }

    .video-wrapper iframe {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      border: 0
    }

    #process .features {
      margin: 2rem 0 1.25rem
    }

    #process .feature-card {
      position: relative;
      text-align: left;
      padding: 2.25rem 2rem 2rem;
      border-radius: 24px
    }

    #process .feature-card h3 {
      margin-top: .35rem;
      margin-bottom: .5rem
    }

    #process .step-badge {
      position: absolute;
      left: 50%;
      top: -18px;
      transform: translateX(-50%);
      width: 44px;
      height: 44px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      background: linear-gradient(135deg, #1d4b80, #0dccc6);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .35);
      box-shadow: 0 10px 25px rgba(13, 204, 198, .25)
    }

    #process .feature-card:nth-child(2) {
      border-color: rgba(13, 204, 198, .65);
      box-shadow: 0 0 0 2px rgba(13, 204, 198, .25), 0 18px 45px rgba(13, 204, 198, .25)
    }

    .process-cta {
      margin-top: 1rem;
      text-align: center
    }

    .section-cta {
      text-align: center;
      margin-top: 1.25rem;
    }

    .pricing {
      background: rgba(0, 0, 0, .3);
      border-radius: 40px
    }

    .pricing-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 2rem;
      margin-top: 2rem;
      padding-top: 20px;
      justify-content: center
    }

    .pricing-card {
      background: var(--card-bg);
      border: 1px solid var(--glass-border);
      border-radius: 28px;
      padding: 2.5rem;
      text-align: center;
      position: relative;
      transition: transform .35s ease, box-shadow .35s ease;
      overflow: visible;
      max-width: 420px;
      margin: 0 auto;
      box-shadow: var(--card-shadow)
    }

    .pricing-card::before {
      content: "";
      position: absolute;
      inset: -2px;
      border-radius: 30px;
      background: linear-gradient(45deg, #1d4b80, var(--primary));
      opacity: 0;
      z-index: -1;
      transition: opacity .35s ease;
      pointer-events: none;
    }

    .pricing-card:hover::before {
      opacity: 1
    }

    .pricing-card:hover {
      transform: scale(1.03);
      box-shadow: 0 22px 45px rgba(13, 204, 198, .15)
    }

    .price {
      font-size: 3rem;
      font-weight: 700;
      color: var(--primary);
      margin: .8rem 0
    }

    .price .unit {
      font-size: 1.25rem;
      opacity: .85;
      margin-left: .25rem
    }

    .cta-button {
      display: inline-block;
      padding: 16px 48px;
      background: linear-gradient(45deg, #1d4b80, var(--primary));
      color: #fff;
      text-decoration: none;
      border-radius: 60px;
      font-size: 1.15rem;
      font-weight: 600;
      transition: transform .35s ease, box-shadow .35s ease;
      position: relative;
      overflow: hidden;
      text-wrap: balance
    }

    .cta-button::before {
      content: "";
      position: absolute;
      inset: 0;
      left: -100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .3), transparent);
      transition: left .6s ease
    }

    .cta-button:hover::before {
      left: 100%
    }

    .cta-button:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 35px rgba(13, 204, 198, .45)
    }

    .benefit-item {
      display: flex;
      align-items: center;
      margin: 1.5rem 0;
      padding: 1.5rem;
      background: linear-gradient(135deg, rgba(255, 255, 255, .02) 0%, rgba(13, 204, 198, .05) 100%);
      border-radius: 20px;
      transition: transform .35s ease, background .35s ease
    }

    .benefit-item:hover {
      background: rgba(13, 204, 198, .1);
      transform: translateX(8px)
    }

    .benefit-icon {
      font-size: 2rem;
      margin-right: 1.25rem;
      color: var(--primary)
    }

    .faq {
      background: rgba(0, 0, 0, .3);
      border-radius: 40px
    }

    .faq-item {
      margin-bottom: 1.5rem;
      background: var(--card-bg);
      padding: 1.5rem;
      border-radius: 16px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--glass-border);
    }

    .faq-question {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: .5rem;
      color: var(--secondary)
    }

    .faq-answer {
      opacity: .95
    }

    .faq-answer ol {
      padding-left: 1.25rem
    }

    .faq-answer code {
      background: rgba(255, 255, 255, .08);
      padding: .1rem .35rem;
      border-radius: 6px
    }

    footer {
      background: #0b0b0b;
      padding: 56px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      margin-top: 3rem
    }

    .footer-top {
      text-align: center;
      margin-bottom: 28px
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 2rem;
      align-items: start
    }

    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0
    }

    .footer-col li {
      margin: .5rem 0
    }

    .footer-col a {
      color: #e0e0e0;
      text-decoration: none
    }

    .footer-col a:hover,
    .footer-col a:focus-visible {
      color: #0dccc6
    }

    .footer-title {
      font-weight: 700;
      margin-bottom: .75rem
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: .75rem;
      margin-bottom: .5rem
    }

    .footer-brand img {
      display: block;
      height: auto;
      width: auto;
      max-height: 30px;
      max-width: 100%
    }

    .footer-tagline {
      opacity: .9;
      margin-bottom: .5rem
    }

    .review-card,
    .feature-card,
    .pricing-card {
      background: rgba(17, 24, 39, 0.7) !important;
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .hero-input-group {
      max-width: 600px;
      margin: 2.5rem auto 1rem;
      position: relative;
      z-index: 2;
    }

    .input-wrapper {
      display: flex;
      flex-direction: column;
      gap: 12px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--glass-border);
      border-radius: 16px;
      padding: 12px;
      backdrop-filter: blur(10px);
      box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    }

    @media (min-width: 768px) {
      .input-wrapper {
        flex-direction: row;
        padding: 8px;
        border-radius: 99px;
      }
    }

    .input-wrapper input {
      flex: 1;
      background: transparent;
      border: none;
      color: #fff;
      padding: 14px 16px;
      font-size: 1rem;
      outline: none;
      min-width: 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    @media (min-width: 768px) {
      .input-wrapper input {
        border-bottom: none;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
      }

      .input-wrapper input:last-of-type {
        border-right: none;
      }
    }

    .input-wrapper input::placeholder {
      color: rgba(255, 255, 255, 0.4);
    }

    .input-wrapper button {
      background: var(--gradient);
      color: #fff;
      border: none;
      padding: 14px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 12px;
      cursor: pointer;
      white-space: nowrap;
      transition: all 0.3s ease;
      box-shadow: 0 0 20px rgba(13, 204, 198, 0.4);
    }

    @media (min-width: 768px) {
      .input-wrapper button {
        border-radius: 99px;
        padding: 0 32px;
      }
    }

    .input-wrapper button:hover {
      transform: translateY(-1px);
      box-shadow: 0 0 30px rgba(13, 204, 198, 0.6);
    }

    .input-wrapper button:disabled {
      opacity: 0.7;
      cursor: not-allowed;
    }

    .input-wrapper {
      display: flex;
      gap: 10px;
      background: rgba(255, 255, 255, 0.1);
      padding: 6px;
      border-radius: 60px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(10px);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }

    .input-wrapper input {
      flex: 1;
      background: transparent;
      border: none;
      padding: 0 1.5rem;
      color: #fff;
      font-size: 1.1rem;
      outline: none;
      min-width: 0;
    }

    .input-wrapper input::placeholder {
      color: rgba(255, 255, 255, 0.6);
    }

    .input-wrapper .cta-button {
      margin: 0;
      padding: 12px 24px;
      font-size: 1rem;
      white-space: nowrap;
      border: none;
      cursor: pointer;
    }

    .micro-copy {
      margin-top: 0.75rem;
      font-size: 0.9rem;
      color: var(--muted);
      opacity: 0.8;
      text-align: center;
    }

    @media (max-width: 640px) {
      .input-wrapper {
        flex-direction: column;
        border-radius: 20px;
        padding: 1rem;
      }

      .input-wrapper input {
        margin-bottom: 1rem;
        text-align: center;
        padding: 0.5rem;
        width: 100%;
      }

      .input-wrapper .cta-button {
        width: 100%;
        transform: none !important;
      }
    }

    .pricing-card.recommended {
      border: 2px solid var(--primary) !important;
      transform: scale(1.05);
      z-index: 10;
      background: rgba(17, 24, 39, 0.85) !important;
      margin-top: 20px;
    }

    .pricing-card.recommended::after {
      content: "Khuyên dùng";
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--primary), #1d4b80);
      color: #fff;
      padding: 6px 16px;
      border-radius: 20px;
      font-weight: 700;
      font-size: 0.85rem;
      letter-spacing: 0.5px;
      box-shadow: 0 4px 15px rgba(13, 204, 198, 0.4);
      white-space: nowrap;
    }

    .btn-secondary {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: var(--text);
      padding: 12px 30px;
      border-radius: 99px;
      font-size: 1rem;
      cursor: pointer;
      transition: all 0.3s;
      font-family: inherit;
      font-weight: 500;
    }

    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(13, 204, 198, 0.05);
    }

    .footer-badges {
      display: flex;
      gap: .5rem;
      flex-wrap: wrap;
      margin: .25rem 0 .5rem
    }

    .footer-badge {
      font-size: .85rem;
      padding: .25rem .5rem;
      border: 1px solid rgba(255, 255, 255, .16);
      border-radius: 999px;
      opacity: .9
    }

    .footer-rating {
      display: flex;
      align-items: center;
      gap: .5rem;
      margin-top: .5rem
    }

    .footer-social a {
      display: inline-flex;
      width: 36px;
      height: 36px;
      border: 1px solid rgba(255, 255, 255, .16);
      border-radius: 50%;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      color: #fff;
      transition: transform .25s ease, background .25s ease
    }

    .footer-social a:hover {
      transform: translateY(-2px);
      background: rgba(255, 255, 255, .06)
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      font-size: .95rem;
      opacity: .85
    }

    :focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      border-radius: 6px
    }




    @media (max-width: 992px) {
      .menu-toggle {
        display: block
      }

      .reviews-grid {
        grid-template-columns: 1fr 1fr
      }

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

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start
      }
    }

    @media (max-width:768px) {
      .features {
        grid-template-columns: 1fr
      }

      .partners-grid {
        grid-template-columns: 1fr
      }

      .reviews-grid {
        grid-template-columns: 1fr
      }

      .price {
        font-size: 2.4rem
      }

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

    @media (prefers-reduced-motion: reduce) {
      * {
        scroll-behavior: auto !important
      }

      .bg-animation::before,
      .particle,
      .feature-card,
      .pricing-card,
      .benefit-item,
      .hero-content {
        animation: none !important;
        transition: none !important
      }
    }

    :where(section, footer, [id]) {
      scroll-margin-top: 96px;
    }

    .features,
    .partners-grid,
    .reviews-grid {
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    header {
      padding-top: max(env(safe-area-inset-top), 0px);
    }

    body.no-scroll {
      overflow: hidden;
      touch-action: none;
      overscroll-behavior: contain;
    }

    .menu-toggle {
      position: relative;
      z-index: 1301;
    }

    @media (max-width: 992px) {
      nav {
        position: fixed;
        inset: 0;
        z-index: 1300;
        background: rgba(3, 7, 18, 0.98);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 40px 24px;
        overflow-y: auto;
        min-height: 100dvh;
        opacity: 0;
        transform: translateY(-20px);
        pointer-events: none;
        transition: transform .4s cubic-bezier(0.16, 1, 0.3, 1), opacity .3s ease;
      }

      nav.nav-active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
      }

      nav ul {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        padding: 0;
        width: 100%;
        margin: 0;
        align-items: stretch;
      }

      nav a {
        font-size: 1.5rem;
        color: var(--text);
        font-weight: 700;
        display: block;
        padding: 12px 24px;
        border-radius: 12px;
        transition: background 0.3s, transform 0.3s;
      }

      nav a:hover,
      nav a:focus-visible {
        background: rgba(255, 255, 255, 0.1);
        transform: scale(1.05);
      }

      .lang-switch {
        margin: 0;
        display: flex;
        align-items: center;
      }

      .header-container {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        grid-template-rows: auto;
        align-items: center;
        width: 100%;
        padding: 0.5rem 0;
      }

      .logo {
        grid-column: 2;
        grid-row: 1;
        margin: 0;
        display: flex;
        justify-content: center;
      }

      .lang-switch {
        grid-column: 1;
        grid-row: 1;
        justify-self: start;
        margin: 0;
        display: flex;
        align-items: center;
      }

      .menu-toggle {
        grid-column: 3;
        grid-row: 1;
        justify-self: end;
        margin: 0;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .hero {
        padding: 150px 0 40px;
        min-height: auto;
      }

      .hero h1 {
        font-size: 2.2rem;
      }

      .hero p {
        font-size: 1.1rem;
      }

      .hero-visual {
        margin-top: 16px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      nav {
        transition: none !important;
      }
    }

    @media (min-width: 992px) {
      .features {
        grid-template-columns: repeat(3, 1fr) !important;
      }

      .reviews-grid {
        grid-template-columns: repeat(3, 1fr) !important;
      }
    }

    .sticky-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 1200;
      display: none;
    }

    @media (max-width: 992px) {
      body {
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
      }

      .sticky-cta {
        display: flex;
        gap: 12px;
        align-items: center;
        justify-content: center;
        padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
        background: rgba(3, 7, 18, 0.95);
        border-top: 1px solid rgba(255, 255, 255, .08);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, .5);
      }

      .sticky-cta .cta-button {
        padding: 16px 24px;
        border-radius: 12px;
        font-size: 1.1rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        max-width: 450px;
        text-align: center;
        box-shadow: 0 4px 15px rgba(13, 204, 198, 0.3);
      }
    }

    .copy-template-box {
      position: relative;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 16px;
      padding: 1.25rem;
      margin: 1rem 0;
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .copy-template-box:hover {
      border-color: rgba(13, 204, 198, 0.4);
      box-shadow: 0 4px 20px rgba(13, 204, 198, 0.1);
    }

    .copy-template-box .template-content {
      font-size: 0.95rem;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.9);
      white-space: pre-wrap;
      word-break: break-word;
      margin-bottom: 1rem;
      padding-right: 0;
    }

    .copy-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.65rem 1.25rem;
      background: linear-gradient(135deg, rgba(13, 204, 198, 0.15), rgba(29, 75, 128, 0.2));
      border: 1px solid rgba(13, 204, 198, 0.3);
      border-radius: 10px;
      color: #0dccc6;
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .copy-btn:hover {
      background: linear-gradient(135deg, rgba(13, 204, 198, 0.25), rgba(29, 75, 128, 0.35));
      border-color: rgba(13, 204, 198, 0.5);
      transform: translateY(-2px);
      box-shadow: 0 4px 15px rgba(13, 204, 198, 0.2);
    }

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

    .copy-btn.copied {
      background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(22, 163, 74, 0.25));
      border-color: rgba(34, 197, 94, 0.5);
      color: #22c55e;
    }

    .copy-btn .copy-icon {
      font-size: 1rem;
      transition: transform 0.2s ease;
    }

    .copy-btn:hover .copy-icon {
      transform: scale(1.1);
    }

    @media (max-width: 768px) {
      .copy-template-box {
        padding: 1rem;
      }

      .copy-template-box .template-content {
        font-size: 0.9rem;
      }

      .copy-btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
      }
    }

    .evidence-grid,
    .feedback-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      margin-top: 2rem;
    }

    /* Expert Avatar with Verified Badge */
    .expert-avatar-container {
      position: relative;
      display: inline-block;
      margin-bottom: 1rem;
    }

    .expert-avatar {
      border-radius: 50%;
      border: 3px solid var(--primary-color);
      box-shadow: 0 4px 15px rgba(0, 243, 255, 0.3);
      transition: transform 0.3s ease;
      width: 150px;
      height: 150px;
      object-fit: cover;
    }

    .expert-avatar:hover {
      transform: scale(1.05);
    }

    .verified-badge {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background-color: var(--primary-color);
      color: #000;
      border-radius: 50%;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      border: 2px solid #0f172a;
      /* Match bg color for cutout effect */
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
      z-index: 2;
    }

    .verified-tooltip {
      position: absolute;
      bottom: -30px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(0, 0, 0, 0.8);
      color: #fff;
      padding: 4px 8px;
      border-radius: 4px;
      font-size: 0.8rem;
      white-space: nowrap;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.2s;
      pointer-events: none;
    }

    .expert-avatar-container:hover .verified-tooltip {
      opacity: 1;
      visibility: visible;
    }

    /* Video Placeholder Refactor */
    .video-wrapper {
      position: relative;
      padding-bottom: 56.25%;
      /* 16:9 Aspect Ratio */
      height: 0;
      overflow: hidden;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
      background: #000;
      margin-top: 1.5rem;
      cursor: pointer;
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .video-wrapper:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 40px rgba(0, 243, 255, 0.15);
      border-color: rgba(0, 243, 255, 0.3);
    }

    .video-thumb {
      width: 100%;
      height: 100%;
      object-fit: cover;
      position: absolute;
      top: 0;
      left: 0;
      transition: opacity 0.3s ease;
    }

    .video-play-btn {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 60px;
      height: 60px;
      background: rgba(0, 0, 0, 0.7);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 2rem;
      pointer-events: none;
      /* Let clicks pass to wrapper */
      border: 2px solid #fff;
      transition: transform 0.3s ease, background 0.3s ease;
    }

    .video-wrapper:hover .video-play-btn {
      transform: translate(-50%, -50%) scale(1.1);
      background: var(--primary-color);
      color: #000;
      border-color: var(--primary-color);
    }

    .video-wrapper iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border: 0;
    }

    .evidence-item,
    .feedback-item {
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--glass-border);
      background: var(--card-bg);
      background: rgba(17, 24, 39, 0.7);
      backdrop-filter: blur(12px);
    }

    .evidence-item:hover,
    .feedback-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 30px rgba(13, 204, 198, 0.2);
      border-color: rgba(13, 204, 198, 0.4);
    }

    .evidence-item img,
    .feedback-item img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s ease;
    }

    .evidence-item:hover img,
    .feedback-item:hover img {
      transform: scale(1.05);
    }

    @media (max-width: 600px) {

      .evidence-grid,
      .feedback-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }
    }

    @media (min-width: 769px) and (max-width: 991px) {
      .features .feature-card {
        flex: 0 1 calc(50% - 0.75rem);
        max-width: 500px;
      }

      .features,
      .pricing-cards,
      .partners-grid,
      .evidence-grid,
      .feedback-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 2rem;
        grid-template-columns: none;
      }

      .pricing-card,
      .partner-logo-container,
      .evidence-item,
      .feedback-item {
        flex: 0 1 calc(50% - 1rem);
        width: auto;
        max-width: 500px;
      }

      .pricing-card {
        max-width: 420px;
      }
    }

    /* Utility: Screen Reader Only */
    .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;
    }

    /* Performance optimization: CSS classes for button states to avoid forced reflows */
    .btn-text-hidden {
      display: none !important;
    }

    .btn-loader-visible {
      display: inline-block !important;
    }

    /* Related Searches Grid (People Also Search For) */
    /* Desktop: 3 cards on top row, 2 cards centered on bottom row */
    .related-searches-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1.5rem;
      margin-top: 2rem;
    }

    .related-search-card {
      background: var(--card-bg);
      border: 1px solid var(--glass-border);
      border-radius: 20px;
      padding: 2rem 1.5rem;
      text-decoration: none;
      color: inherit;
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      flex: 0 1 calc(33.333% - 1rem);
      min-width: 280px;
      max-width: 350px;
    }

    .related-search-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 35px rgba(13, 204, 198, 0.2);
      border-color: var(--primary);
    }

    .related-search-card .search-icon {
      font-size: 2.5rem;
      margin-bottom: 1rem;
      filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    }

    .related-search-card h3 {
      font-size: 1.2rem;
      margin-bottom: 0.75rem;
      color: var(--primary);
      font-weight: 700;
    }

    .related-search-card p {
      font-size: 0.9rem;
      opacity: 0.85;
      line-height: 1.6;
      margin: 0;
    }

    /* Tablet: 2 cards per row, last card centered */
    @media (max-width: 992px) {
      .related-search-card {
        flex: 0 1 calc(50% - 1rem);
        min-width: 260px;
        max-width: 400px;
      }
    }

    /* Mobile: 1 card per row, full width */
    @media (max-width: 600px) {
      .related-searches-grid {
        gap: 1rem;
      }

      .related-search-card {
        flex: 1 1 100%;
        min-width: unset;
        max-width: 100%;
        padding: 1.5rem 1.25rem;
      }

      .related-search-card .search-icon {
        font-size: 2rem;
      }

      .related-search-card h3 {
        font-size: 1.1rem;
      }

      .related-search-card p {
        font-size: 0.85rem;
      }
    }