/* ===========================
       RESET & GLOBAL VARIABLES
    =========================== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --red:        #E8192C;
      --red-dark:   #B0101F;
      --red-light:  #D91425;
      --fb-blue:    #1877F2;
      --fb-blue-dk: #0f5ccc;
      --gold:       #D48806;
      --dark:       #F0F4F8;
      --dark-2:     #FFFFFF;
      --gray:       #6B7280;
      --light-gray: #E8EDF2;
      --white:      #FFFFFF;
      --section-pad: 80px 20px;
      /* Light mode text */
      --text-main:  #111827;
      --text-sub:   #4B5563;
      --text-muted: #6B7280;
      --border:     #E5E7EB;
      --card-bg:    #FFFFFF;
      --card-bg-2:  #F8FAFC;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Be Vietnam Pro', sans-serif;
      background: #F0F4F8;
      color: #111827;
      font-size: 17px;
      line-height: 1.82;
      overflow-x: hidden;
    }

    img { max-width: 100%; height: auto; display: block; border-radius: 12px; }

    .container { max-width: 960px; margin: 0 auto; padding: 0 20px; }
    .container--wide { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

    /* SECTION WRAPPERS */
    .section { padding: var(--section-pad); }
    .section--light { background: #F0F4F8; color: #111827; }
    .section--dark  { background: #FFFFFF; color: #111827; }
    .section--red   { background: linear-gradient(135deg, var(--red-dark) 0%, var(--red) 100%); }
    .section--blue  { background: linear-gradient(135deg, var(--fb-blue-dk) 0%, var(--fb-blue) 100%); }

    /* LABELS */
    .label {
      display: inline-block;
      background: var(--red);
      color: var(--white);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      padding: 6px 16px;
      border-radius: 100px;
      margin-bottom: 16px;
    }
    .label--blue { background: var(--fb-blue); }
    .label--gold { background: var(--gold); color: var(--dark); }

    /* HEADINGS */
    .h1 { font-size: clamp(34px, 5vw, 60px); font-weight: 900; line-height: 1.2; }
    .h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; line-height: 1.25; }
    .h3 { font-size: clamp(20px, 3vw, 30px); font-weight: 700; line-height: 1.35; }

    .highlight-red  { color: var(--red); }
    .highlight-blue { color: var(--fb-blue); }
    .highlight-gold { color: var(--gold); }

    /* BUTTONS */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-family: inherit;
      font-weight: 800;
      font-size: 18px;
      padding: 18px 40px;
      border-radius: 50px;
      border: none;
      cursor: pointer;
      text-decoration: none;
      transition: transform .2s, box-shadow .2s;
    }
    .btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,.35); }
    .btn--cta {
      background: linear-gradient(90deg, var(--gold) 0%, #ffcf52 100%);
      color: var(--dark);
      font-size: 20px;
      padding: 22px 56px;
      box-shadow: 0 8px 30px rgba(245,166,35,.45);
    }
    .btn--red {
      background: linear-gradient(90deg, var(--red) 0%, var(--red-light) 100%);
      color: var(--white);
      box-shadow: 0 8px 30px rgba(232,25,44,.4);
    }
    .btn--outline {
      background: transparent;
      border: 2px solid var(--red);
      color: var(--red);
    }

    .btn-group { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

    /* DIVIDERS */
    .divider {
      width: 80px; height: 5px;
      background: linear-gradient(90deg, var(--red), var(--fb-blue));
      border-radius: 10px;
      margin: 16px auto 24px;
    }
    .divider--left { margin-left: 0; }

    /* NOTICE BAR */
    .notice-bar {
      background: var(--fb-blue);
      text-align: center;
      padding: 13px 20px;
      font-size: 16px;
      font-weight: 600;
      letter-spacing: .3px;
    }
    .notice-bar span { color: var(--gold); font-weight: 800; }

    /* ===========================
       SECTION 1 – HERO
    =========================== */
    .hero {
      background: linear-gradient(160deg, #EBF4FF 0%, #F0F7FF 55%, #EEF2FF 100%);
      padding: 60px 20px 80px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid #DBEAFE;
    }
    .hero::before {
      content: '';
      position: absolute;
      top: -120px; right: -120px;
      width: 500px; height: 500px;
      background: radial-gradient(circle, rgba(24,119,242,.12) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero::after {
      content: '';
      position: absolute;
      bottom: -100px; left: -100px;
      width: 400px; height: 400px;
      background: radial-gradient(circle, rgba(232,25,44,.08) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero__inner {
      max-width: 960px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    @media(max-width:768px){ .hero__inner { grid-template-columns: 1fr; } }

    .hero__badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(24,119,242,.1);
      border: 1px solid rgba(24,119,242,.3);
      color: #1D4ED8;
      font-size: 13px;
      font-weight: 700;
      padding: 8px 16px;
      border-radius: 100px;
      margin-bottom: 20px;
    }
    .hero__badge-dot {
      width: 8px; height: 8px;
      background: #34D399;
      border-radius: 50%;
      animation: blink 1.4s ease-in-out infinite;
    }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

    .hero__headline { font-size: clamp(32px, 5vw, 54px); font-weight: 900; line-height: 1.18; margin-bottom: 20px; color: #111827; }
    .hero__sub { font-size: 18px; color: #4B5563; margin-bottom: 32px; line-height: 1.82; }

    .hero__stats {
      display: flex;
      gap: 28px;
      flex-wrap: wrap;
      margin-top: 36px;
    }
    .hero__stat { text-align: center; }
    .hero__stat-num { font-size: 28px; font-weight: 900; color: #D48806; }
    .hero__stat-label { font-size: 12px; color: #6B7280; font-weight: 500; }

    /* HERO IMAGE PLACEHOLDER */
    .hero__img-wrap {
      position: relative;
      display: flex;
      justify-content: center;
    }
    .placeholder-img {
      width: 100%;
      border-radius: 16px;
      background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
      border: 2px dashed rgba(24,119,242,.35);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 10px;
      color: #6B7280;
      font-size: 14px;
      font-weight: 600;
      aspect-ratio: 4/3;
      text-align: center;
      padding: 0px;
    }
    .placeholder-img svg { opacity: .5; }

    .floating-badge {
      position: absolute;
      bottom: -18px; left: -18px;
      background: var(--red);
      color: var(--white);
      font-weight: 800;
      font-size: 13px;
      padding: 12px 20px;
      border-radius: 12px;
      box-shadow: 0 8px 24px rgba(232,25,44,.4);
      line-height: 1.4;
    }

    /* ===========================
       SECTION 2 – PAIN POINTS
    =========================== */
    .pain { background: #F8FAFC; }

    .pain__intro {
      max-width: 700px;
      margin: 0 auto 48px;
      text-align: center;
    }
    .pain__intro p { color: #4B5563; font-size: 17px; margin-top: 16px; }

    .pain__cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
      margin-bottom: 48px;
    }
    .pain__card {
      background: #FFFFFF;
      border: 1px solid #FEE2E2;
      border-left: 4px solid var(--red);
      border-radius: 14px;
      padding: 28px 24px;
      box-shadow: 0 2px 12px rgba(0,0,0,.06);
    }
    .pain__card-icon { font-size: 32px; margin-bottom: 12px; }
    .pain__card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: #111827; }
    .pain__card p  { font-size: 14px; color: #4B5563; line-height: 1.7; }

    .pain__fear {
      background: linear-gradient(135deg, #FFF5F5 0%, #FFF1F2 100%);
      border: 1px solid #FECACA;
      border-radius: 16px;
      padding: 36px 40px;
      text-align: center;
      max-width: 780px;
      margin: 0 auto;
    }
    .pain__fear h3 { font-size: 22px; font-weight: 800; color: var(--red); margin-bottom: 12px; }
    .pain__fear p  { font-size: 16px; color: #374151; line-height: 1.8; }

    /* ===========================
       SECTION 3 – SOLUTION
    =========================== */
    .solution { background: #FFFFFF; }

    .before-after {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      gap: 24px;
      align-items: center;
      margin-bottom: 56px;
    }
    @media(max-width:640px){ .before-after { grid-template-columns: 1fr; } }

    .ba-box {
      background: #F8FAFC;
      border: 1px solid #E5E7EB;
      border-radius: 16px;
      padding: 28px 24px;
      box-shadow: 0 2px 8px rgba(0,0,0,.05);
    }
    .ba-box--before { border-top: 4px solid #EF4444; }
    .ba-box--after  { border-top: 4px solid #10B981; }

    .ba-label {
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 14px;
    }
    .ba-label--before { color: #EF4444; }
    .ba-label--after  { color: #10B981; }

    .ba-list { list-style: none; }
    .ba-list li {
      font-size: 15px;
      color: #374151;
      padding: 7px 0;
      border-bottom: 1px solid #E5E7EB;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .ba-list li:last-child { border-bottom: none; }
    .ba-icon { flex-shrink: 0; margin-top: 2px; }

    .ba-arrow {
      font-size: 40px;
      color: var(--gold);
      font-weight: 900;
      text-align: center;
    }

    .solution__product {
      background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
      border: 1px solid rgba(24,119,242,.2);
      border-radius: 20px;
      padding: 40px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    @media(max-width:640px){ .solution__product { grid-template-columns: 1fr; } }

    .solution__product h3 { font-size: 24px; font-weight: 800; margin-bottom: 14px; color: #111827; }
    .solution__product p  { font-size: 15px; color: #374151; line-height: 1.8; }

    /* ===========================
       SECTION 4 – BENEFITS
    =========================== */
    .benefits { background: #F8FAFC; }

    .benefits__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

    .benefit-card {
      background: #FFFFFF;
      border: 1px solid #E5E7EB;
      border-radius: 16px;
      padding: 30px 26px;
      transition: transform .25s, box-shadow .25s;
    }
    .benefit-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 40px rgba(24,119,242,.15);
      border-color: #BFDBFE;
    }
    .benefit-card__icon {
      width: 52px; height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 16px;
    }
    .benefit-card__feature {
      font-size: 12px;
      color: var(--gold);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 6px;
    }
    .benefit-card__title { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: #111827; }
    .benefit-card__desc  { font-size: 14px; color: #4B5563; line-height: 1.7; }
    .benefit-card__result {
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid #E5E7EB;
      font-size: 13px;
      font-weight: 700;
      color: #059669;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* ===========================
       SECTION 5 – SOCIAL PROOF
    =========================== */
    .proof { background: #FFFFFF; }

    .stats-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
      margin-bottom: 56px;
    }
    .stats-bar__item {
      background: #FFFFFF;
      border: 1px solid #DBEAFE;
      border-top: 4px solid var(--fb-blue);
      border-radius: 14px;
      padding: 24px 32px;
      text-align: center;
      flex: 1 1 160px;
      box-shadow: 0 2px 12px rgba(24,119,242,.08);
    }
    .stats-bar__num   { font-size: 36px; font-weight: 900; color: var(--fb-blue); }
    .stats-bar__label { font-size: 13px; color: #6B7280; font-weight: 500; margin-top: 4px; }

    .testimonials {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }
    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid #E5E7EB;
      border-radius: 16px;
      padding: 28px 24px;
      position: relative;
      box-shadow: 0 4px 16px rgba(0,0,0,.07);
    }
    .testimonial-card::before {
      content: '"';
      position: absolute;
      top: 16px; right: 22px;
      font-size: 72px;
      color: rgba(24,119,242,.1);
      font-family: Georgia, serif;
      line-height: 1;
    }
    .testimonial-card__stars { color: var(--gold); font-size: 18px; margin-bottom: 12px; }
    .testimonial-card__tag {
      display: inline-block;
      background: rgba(232,25,44,.15);
      color: var(--red-light);
      font-size: 11px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 100px;
      margin-bottom: 10px;
    }
    .testimonial-card__text { font-size: 15px; color: #374151; line-height: 1.75; margin-bottom: 20px; }
    .testimonial-card__result {
      background: #F0FDF4;
      border: 1px solid #A7F3D0;
      border-radius: 8px;
      padding: 10px 14px;
      font-size: 13px;
      font-weight: 700;
      color: #065F46;
      margin-bottom: 16px;
    }
    .testimonial-card__author { display: flex; align-items: center; gap: 12px; }
    .testimonial-card__avatar {
      width: 54px; height: 54px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--fb-blue), var(--red));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 20px;
      flex-shrink: 0;
      overflow: hidden;
      border: 2px solid #E5E7EB;
    }
    .testimonial-card__avatar img {
      width: 100%; height: 100%;
      object-fit: cover;
      border-radius: 50%;
    }
    .testimonial-card__name { font-weight: 700; font-size: 16px; color: #111827; }
    .testimonial-card__role { font-size: 13px; color: #6B7280; margin-top: 2px; }

    /* PLACEHOLDER FOR TESTIMONIAL IMAGE */
    .proof__img-placeholder {
      width: 100%;
      margin: 40px auto 0;
      max-width: 700px;
    }

    /* ===========================
       SECTION 6 – PRICING
    =========================== */
    .pricing {
      background: linear-gradient(160deg, #EFF6FF 0%, #F0F7FF 100%);
      position: relative;
      overflow: hidden;
      border-top: 1px solid #DBEAFE;
      border-bottom: 1px solid #DBEAFE;
    }
    .pricing::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: radial-gradient(ellipse at 50% 0%, rgba(24,119,242,.06) 0%, transparent 70%);
      pointer-events: none;
    }

    /* COUNTDOWN */
    .countdown-wrap {
      background: rgba(232,25,44,.12);
      border: 1px solid rgba(232,25,44,.35);
      border-radius: 16px;
      padding: 20px 32px;
      text-align: center;
      max-width: 600px;
      margin: 0 auto 40px;
    }
    .countdown-label { font-size: 13px; font-weight: 700; color: var(--red); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
    .countdown-timer { display: flex; gap: 16px; justify-content: center; }
    .countdown-unit { text-align: center; }
    .countdown-num {
      display: block;
      font-size: 42px;
      font-weight: 900;
      color: var(--white);
      background: var(--red);
      border-radius: 10px;
      padding: 8px 16px;
      min-width: 72px;
      line-height: 1;
    }
    .countdown-sep { font-size: 36px; font-weight: 900; color: var(--red); align-self: flex-start; margin-top: 8px; }
    .countdown-lbl { font-size: 11px; color: #6B7280; margin-top: 6px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }

    .pricing__box {
      background: #FFFFFF;
      border: 2px solid rgba(24,119,242,.2);
      border-radius: 24px;
      max-width: 800px;
      margin: 0 auto;
      overflow: hidden;
      box-shadow: 0 24px 80px rgba(24,119,242,.12);
    }
    .pricing__header {
      background: linear-gradient(90deg, var(--fb-blue-dk) 0%, var(--fb-blue) 100%);
      padding: 28px 36px;
      text-align: center;
    }
    .pricing__header h2 { font-size: 26px; font-weight: 800; margin-bottom: 4px; }
    .pricing__header p  { font-size: 15px; color: rgba(255,255,255,.8); }

    .pricing__body { padding: 36px; }

    .pricing__items { margin-bottom: 28px; }
    .pricing__item {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      padding: 14px 0;
      border-bottom: 1px solid #F3F4F6;
      gap: 20px;
    }
    .pricing__item:last-child { border-bottom: none; }
    .pricing__item-name { font-size: 15px; color: #374151; display: flex; align-items: center; gap: 8px; }
    .pricing__item-value { font-size: 15px; font-weight: 700; color: var(--gold); white-space: nowrap; }
    .pricing__item-value.crossed { text-decoration: line-through; color: #4B5563; }

    .pricing__total {
      background: rgba(245,166,35,.1);
      border: 1px solid rgba(245,166,35,.3);
      border-radius: 12px;
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
    }
    .pricing__total-label { font-size: 15px; color: #374151; font-weight: 600; }
    .pricing__total-value { font-size: 24px; font-weight: 900; color: #B45309; }

    .pricing__free {
      text-align: center;
      padding: 20px;
      background: linear-gradient(135deg, rgba(52,211,153,.1), rgba(16,185,129,.05));
      border: 1px solid rgba(52,211,153,.3);
      border-radius: 12px;
      margin-bottom: 28px;
    }
    .pricing__free-label { font-size: 13px; color: #059669; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
    .pricing__free-price { font-size: 56px; font-weight: 900; color: #059669; line-height: 1.1; }
    .pricing__free-note  { font-size: 14px; color: #6B7280; }

    /* BONUS SECTION */
    .bonus-section {
      background: linear-gradient(135deg, rgba(245,166,35,.08), rgba(245,166,35,.04));
      border: 1px solid rgba(245,166,35,.3);
      border-radius: 16px;
      padding: 28px;
      margin-bottom: 28px;
    }
    .bonus-section h3 { font-size: 18px; font-weight: 800; color: var(--gold); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
    .bonus-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(245,166,35,.1);
    }
    .bonus-item:last-child { border-bottom: none; }
    .bonus-item__icon { font-size: 22px; flex-shrink: 0; }
    .bonus-item__text { font-size: 14px; color: #374151; }
    .bonus-item__value { font-size: 12px; color: var(--gold); font-weight: 700; }

    /* SCARCITY */
    .scarcity {
      text-align: center;
      background: rgba(232,25,44,.08);
      border: 1px solid rgba(232,25,44,.25);
      border-radius: 12px;
      padding: 16px;
      margin-bottom: 28px;
      font-size: 14px;
      color: var(--red-light);
      font-weight: 600;
    }
    .scarcity strong { color: var(--red-light); }

    /* ===========================
       SECTION 7 – FAQ
    =========================== */
    .faq { background: #F8FAFC; }

    .faq__list { max-width: 760px; margin: 0 auto; }
    .faq__item {
      border-bottom: 1px solid #E5E7EB;
    }
    .faq__q {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 22px 0;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: #111827;
      gap: 16px;
      user-select: none;
    }
    .faq__q:hover { color: var(--gold); }
    .faq__toggle {
      width: 28px; height: 28px;
      border-radius: 50%;
      background: rgba(24,119,242,.2);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 18px;
      color: var(--fb-blue);
      transition: transform .25s;
    }
    .faq__item.open .faq__toggle { transform: rotate(45deg); background: var(--red); color: var(--white); }
    .faq__a {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s ease, padding .3s;
    }
    .faq__a-inner {
      padding-bottom: 20px;
      font-size: 15px;
      color: #4B5563;
      line-height: 1.8;
    }
    .faq__item.open .faq__a { max-height: 300px; }

    /* ===========================
       SECTION 8 – CTA
    =========================== */
    .cta-section {
      background: linear-gradient(135deg, var(--red-dark) 0%, #9b0e1c 50%, #6b0612 100%);
      padding: 80px 20px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    }
    .cta-section__inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
    .cta-section h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 900; margin-bottom: 16px; }
    .cta-section p  { font-size: 17px; color: rgba(255,255,255,.85); margin-bottom: 36px; line-height: 1.75; }

    .guarantee {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(255,255,255,.1);
      border-radius: 100px;
      padding: 10px 20px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 32px;
    }

    .cta-contact {
      margin-top: 28px;
      font-size: 15px;
      color: rgba(255,255,255,.7);
    }
    .cta-contact a {
      color: var(--gold);
      font-weight: 700;
      text-decoration: none;
    }
    .cta-contact a:hover { text-decoration: underline; }

    /* ===========================
       SECTION 9 – FOOTER / PS
    =========================== */
    .footer {
      background: #F0F4F8;
      padding: 60px 20px 40px;
      border-top: 1px solid #E5E7EB;
    }
    .footer__ps {
      background: linear-gradient(135deg, #FFF5F5, #FFF1F2);
      border: 1px solid #FECACA;
      border-left: 5px solid var(--red);
      border-radius: 12px;
      padding: 32px 36px;
      max-width: 760px;
      margin: 0 auto 48px;
    }
    .footer__ps-label {
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 2px;
      color: var(--red);
      text-transform: uppercase;
      margin-bottom: 12px;
    }
    .footer__ps p {
      font-size: 16px;
      color: #374151;
      line-height: 1.85;
      margin-bottom: 14px;
    }
    .footer__ps p:last-of-type { margin-bottom: 20px; }

    .footer__bottom {
      border-top: 1px solid #E5E7EB;
      padding-top: 28px;
      text-align: center;
      color: #6B7280;
      font-size: 13px;
    }
    .footer__bottom a { color: #6B7280; text-decoration: none; }

    .footer__contact {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 24px;
      margin-bottom: 28px;
    }
    .footer__contact-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: #4B5563;
    }
    .footer__contact-item strong { color: #111827; }

    /* ===========================
       MISC
    =========================== */
    .text-center { text-align: center; }
    .mb-4  { margin-bottom: 16px; }
    .mb-8  { margin-bottom: 32px; }
    .mb-12 { margin-bottom: 48px; }

    /* SECTION HEADER */
    .section-header { text-align: center; margin-bottom: 48px; }
    .section-header p { font-size: 16px; color: #4B5563; max-width: 620px; margin: 16px auto 0; }

    /* PROGRESS / STEP */
    .steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin: 32px auto;
      max-width: 700px;
    }
    .step {
      display: flex;
      align-items: center;
      gap: 8px;
      background: #EFF6FF;
      border: 1px solid #BFDBFE;
      border-radius: 100px;
      padding: 8px 16px;
      font-size: 13px;
      font-weight: 600;
      color: #1D4ED8;
    }
    .step-num {
      width: 22px; height: 22px;
      background: var(--fb-blue);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 800;
      color: var(--white);
    }

    /* ===========================
       STICKY CTA BAR
    =========================== */
    .sticky-cta {
      position: fixed;
      bottom: 0; left: 0; right: 0;
      background: #FFFFFF;
      border-top: 2px solid var(--red);
      padding: 12px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      z-index: 999;
      box-shadow: 0 -4px 24px rgba(0,0,0,.1);
    }
    .sticky-cta__text { font-size: 13px; color: #6B7280; }
    .sticky-cta__text strong { color: #111827; display: block; font-size: 14px; }
    .sticky-cta a { white-space: nowrap; }

    /* ===========================
       THEME TOGGLE BUTTON
    =========================== */
    .theme-toggle {
      position: fixed;
      top: 70px;
      right: 16px;
      z-index: 1000;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      background: #FFFFFF;
      box-shadow: 0 2px 12px rgba(0,0,0,.18);
      transition: transform .2s, box-shadow .2s, background .3s;
    }
    .theme-toggle:hover {
      transform: scale(1.1);
      box-shadow: 0 4px 20px rgba(0,0,0,.25);
    }
    .theme-toggle .icon-sun  { display: none; }
    .theme-toggle .icon-moon { display: block; }

    /* ===========================
       DARK MODE OVERRIDES
    =========================== */
    html[data-theme="dark"] body {
      background: #0F172A;
      color: #F1F5F9;
    }

    /* Toggle button in dark mode */
    html[data-theme="dark"] .theme-toggle {
      background: #1E293B;
      box-shadow: 0 2px 12px rgba(0,0,0,.5);
    }
    html[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
    html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

    /* Notice & sticky */
    html[data-theme="dark"] .notice-bar { background: var(--fb-blue-dk); }
    html[data-theme="dark"] .sticky-cta {
      background: #1E293B;
      border-top-color: var(--red);
      box-shadow: 0 -4px 24px rgba(0,0,0,.5);
    }
    html[data-theme="dark"] .sticky-cta__text       { color: #94A3B8; }
    html[data-theme="dark"] .sticky-cta__text strong { color: #F1F5F9; }

    /* Sections */
    html[data-theme="dark"] .section--light { background: #0F172A; color: #F1F5F9; }
    html[data-theme="dark"] .section--dark  { background: #1E293B; color: #F1F5F9; }

    /* Hero */
    html[data-theme="dark"] .hero {
      background: linear-gradient(160deg, #0a0a14 0%, #0f1926 55%, #16213e 100%);
      border-bottom-color: rgba(24,119,242,.2);
    }
    html[data-theme="dark"] .hero::before { background: radial-gradient(circle, rgba(24,119,242,.25) 0%, transparent 70%); }
    html[data-theme="dark"] .hero::after  { background: radial-gradient(circle, rgba(232,25,44,.2) 0%, transparent 70%); }
    html[data-theme="dark"] .hero__badge  { background: rgba(24,119,242,.18); border-color: rgba(24,119,242,.4); color: #93C5FD; }
    html[data-theme="dark"] .hero__headline { color: #F1F5F9; }
    html[data-theme="dark"] .hero__sub    { color: #CBD5E1; }
    html[data-theme="dark"] .hero__stat-num   { color: var(--gold); }
    html[data-theme="dark"] .hero__stat-label { color: #94A3B8; }
    html[data-theme="dark"] .highlight-red  { color: #FF4D5E; }
    html[data-theme="dark"] .highlight-blue { color: #60A5FA; }

    /* Placeholder */
    html[data-theme="dark"] .placeholder-img { background: linear-gradient(135deg,#1e2a3a,#253347); border-color: rgba(24,119,242,.4); color: #64748B; }

    /* Pain section */
    html[data-theme="dark"] .pain { background: #0F172A; }
    html[data-theme="dark"] .pain__intro p { color: #94A3B8; }
    html[data-theme="dark"] .pain__card { background: linear-gradient(135deg,#1a1a2e,#16213e); border-color: rgba(232,25,44,.25); box-shadow: none; }
    html[data-theme="dark"] .pain__card h3 { color: #F1F5F9; }
    html[data-theme="dark"] .pain__card p  { color: #94A3B8; }
    html[data-theme="dark"] .pain__fear { background: linear-gradient(135deg,rgba(232,25,44,.12),rgba(176,16,31,.08)); border-color: rgba(232,25,44,.3); }
    html[data-theme="dark"] .pain__fear h3 { color: #FF4D5E; }
    html[data-theme="dark"] .pain__fear p  { color: #CBD5E1; }

    /* Solution */
    html[data-theme="dark"] .solution { background: #1E293B; }
    html[data-theme="dark"] .ba-box { background: #111827; border-color: rgba(255,255,255,.06); box-shadow: none; }
    html[data-theme="dark"] .ba-list li { color: #CBD5E1; border-bottom-color: #1F2937; }
    html[data-theme="dark"] .ba-arrow  { color: var(--gold); }
    html[data-theme="dark"] .solution__product { background: linear-gradient(135deg,rgba(24,119,242,.12),rgba(15,92,204,.08)); border-color: rgba(24,119,242,.35); }
    html[data-theme="dark"] .solution__product h3 { color: #F1F5F9; }
    html[data-theme="dark"] .solution__product p  { color: #CBD5E1; }
    html[data-theme="dark"] .step { background: rgba(24,119,242,.12); border-color: rgba(24,119,242,.25); color: #93C5FD; }

    /* Benefits */
    html[data-theme="dark"] .benefits { background: #0F172A; }
    html[data-theme="dark"] .benefit-card { background: linear-gradient(135deg,#0f172a,#1e293b); border-color: rgba(255,255,255,.07); }
    html[data-theme="dark"] .benefit-card:hover { box-shadow: 0 16px 40px rgba(24,119,242,.2); border-color: rgba(24,119,242,.3); }
    html[data-theme="dark"] .benefit-card__title { color: #F1F5F9; }
    html[data-theme="dark"] .benefit-card__desc  { color: #94A3B8; }
    html[data-theme="dark"] .benefit-card__result { border-top-color: rgba(255,255,255,.07); color: #34D399; }

    /* Proof */
    html[data-theme="dark"] .proof { background: #1E293B; }
    html[data-theme="dark"] .stats-bar__item { background: linear-gradient(135deg,#1a1a2e,#16213e); border-color: rgba(24,119,242,.3); border-top-color: rgba(24,119,242,.3); box-shadow: none; }
    html[data-theme="dark"] .stats-bar__num   { color: var(--gold); }
    html[data-theme="dark"] .stats-bar__label { color: #94A3B8; }
    html[data-theme="dark"] .testimonial-card { background: #0f172a; border-color: rgba(255,255,255,.08); box-shadow: none; }
    html[data-theme="dark"] .testimonial-card__text   { color: #CBD5E1; }
    html[data-theme="dark"] .testimonial-card__result { background: rgba(52,211,153,.1); border-color: rgba(52,211,153,.25); color: #34D399; }
    html[data-theme="dark"] .testimonial-card__name   { color: #F1F5F9; }
    html[data-theme="dark"] .testimonial-card__role   { color: #64748B; }

    /* Pricing */
    html[data-theme="dark"] .pricing { background: linear-gradient(160deg,#0a0a14,#0f1926); border-color: transparent; }
    html[data-theme="dark"] .pricing::before { background: radial-gradient(ellipse at 50% 0%,rgba(24,119,242,.15) 0%,transparent 70%); }
    html[data-theme="dark"] .countdown-wrap  { background: rgba(232,25,44,.12); border-color: rgba(232,25,44,.35); }
    html[data-theme="dark"] .countdown-num   { background: #1E293B; }
    html[data-theme="dark"] .countdown-lbl   { color: #64748B; }
    html[data-theme="dark"] .pricing__box    { background: linear-gradient(135deg,#111827,#1a2236); border-color: rgba(24,119,242,.4); box-shadow: 0 24px 80px rgba(24,119,242,.2); }
    html[data-theme="dark"] .pricing__item   { border-bottom-color: rgba(255,255,255,.06); }
    html[data-theme="dark"] .pricing__item-name  { color: #CBD5E1; }
    html[data-theme="dark"] .pricing__total  { background: rgba(245,166,35,.1); border-color: rgba(245,166,35,.3); }
    html[data-theme="dark"] .pricing__total-label { color: #94A3B8; }
    html[data-theme="dark"] .pricing__total-value { color: var(--gold); }
    html[data-theme="dark"] .pricing__free   { background: linear-gradient(135deg,rgba(52,211,153,.1),rgba(16,185,129,.05)); border-color: rgba(52,211,153,.3); }
    html[data-theme="dark"] .pricing__free-label { color: #34D399; }
    html[data-theme="dark"] .pricing__free-price { color: #34D399; }
    html[data-theme="dark"] .pricing__free-note  { color: #6B7280; }
    html[data-theme="dark"] .bonus-section { background: linear-gradient(135deg,rgba(245,166,35,.08),rgba(245,166,35,.04)); }
    html[data-theme="dark"] .bonus-item     { border-bottom-color: rgba(245,166,35,.1); }
    html[data-theme="dark"] .bonus-item__text { color: #CBD5E1; }
    html[data-theme="dark"] .scarcity { background: rgba(232,25,44,.08); border-color: rgba(232,25,44,.25); color: #FF4D5E; }

    /* FAQ */
    html[data-theme="dark"] .faq { background: #0F172A; }
    html[data-theme="dark"] .faq__item { border-bottom-color: rgba(255,255,255,.07); }
    html[data-theme="dark"] .faq__q    { color: #F1F5F9; }
    html[data-theme="dark"] .faq__a-inner { color: #94A3B8; }

    /* Footer */
    html[data-theme="dark"] .footer { background: #060912; border-top-color: rgba(255,255,255,.06); }
    html[data-theme="dark"] .footer__ps { background: linear-gradient(135deg,rgba(232,25,44,.08),rgba(24,119,242,.05)); border-color: rgba(232,25,44,.2); }
    html[data-theme="dark"] .footer__ps-label { color: #FF4D5E; }
    html[data-theme="dark"] .footer__ps p { color: #CBD5E1; }
    html[data-theme="dark"] .footer__bottom { border-top-color: rgba(255,255,255,.06); color: #374151; }
    html[data-theme="dark"] .footer__contact-item { color: #6B7280; }
    html[data-theme="dark"] .section-header p { color: #94A3B8; }

    /* btn--outline in dark mode */
    html[data-theme="dark"] .btn--outline { border-color: var(--white); color: var(--white); }

    /* ===========================
       RESPONSIVE – MOBILE FIRST
    =========================== */

    /* Tablet (≤768px) */
    @media(max-width:768px) {
      :root { --section-pad: 56px 16px; }

      .h2 { font-size: clamp(22px, 5vw, 34px); }

      /* Hero */
      .hero { padding: 40px 16px 56px; }
      .hero__inner { grid-template-columns: 1fr; gap: 32px; }
      .hero__img-wrap { order: -1; max-width: 360px; width: 100%; margin: 0 auto; } /* ảnh lên trước, giới hạn chiều rộng */
      .hero__badge { font-size: 12px; padding: 6px 12px; }
      .hero__stats { gap: 16px; justify-content: center; }
      .hero__stat-num { font-size: 22px; }

      /* Before/After */
      .before-after { grid-template-columns: 1fr; }
      .ba-arrow { transform: rotate(90deg); text-align: center; font-size: 28px; }

      /* Solution product */
      .solution__product { padding: 24px; gap: 24px; }

      /* Stats bar */
      .stats-bar__item { flex: 1 1 130px; padding: 16px 20px; }
      .stats-bar__num  { font-size: 28px; }

      /* Testimonials */
      .testimonials { grid-template-columns: 1fr; }

      /* Benefits */
      .benefits__grid { grid-template-columns: 1fr; }

      /* Pain cards */
      .pain__cards { grid-template-columns: 1fr; }
      .pain__fear  { padding: 24px 20px; }

      /* Pricing */
      .pricing__box    { margin: 0 4px; }
      .pricing__header { padding: 20px 24px; }
      .pricing__body   { padding: 24px 20px; }
      .countdown-wrap  { padding: 16px 20px; }
      .countdown-num   { font-size: 32px; min-width: 58px; padding: 6px 12px; }

      /* CTA section */
      .cta-section { padding: 60px 16px; }

      /* Footer PS */
      .footer__ps  { padding: 24px 20px; }

      /* Sticky CTA */
      .sticky-cta { padding: 10px 16px; gap: 8px; }
      .sticky-cta .btn--cta { font-size: 14px; padding: 12px 20px; }

      /* Notice bar */
      .notice-bar { font-size: 14px; padding: 10px 14px; }
    }

    /* Mobile (≤480px) */
    @media(max-width:480px) {
      :root { --section-pad: 44px 14px; }

      /* Hero */
      .hero__headline { font-size: clamp(26px, 7vw, 36px); }
      .hero__sub  { font-size: 16px; }
      .hero__img-wrap { max-width: 300px; }
      .hero__stats { flex-wrap: wrap; justify-content: space-around; }

      /* Buttons */
      .btn--cta { font-size: 16px; padding: 16px 24px; }
      .btn { font-size: 15px; padding: 14px 24px; }
      .btn-group { gap: 10px; }

      /* Countdown */
      .countdown-timer { gap: 8px; }
      .countdown-num   { font-size: 26px; min-width: 50px; padding: 6px 10px; }
      .countdown-sep   { font-size: 26px; margin-top: 6px; }

      /* Pricing */
      .pricing__total { flex-direction: column; gap: 4px; text-align: center; }
      .pricing__total-value { font-size: 20px; }
      .pricing__free-price  { font-size: 44px; }
      .pricing__item { flex-direction: column; gap: 4px; }
      .pricing__item-value { align-self: flex-start; }

      /* Stats */
      .stats-bar { gap: 12px; }
      .stats-bar__item { flex: 1 1 120px; padding: 14px 12px; }
      .stats-bar__num  { font-size: 24px; }

      /* FAQ */
      .faq__q { font-size: 15px; padding: 18px 0; }

      /* Section header */
      .section-header { margin-bottom: 32px; }

      /* Floating badge */
      .floating-badge { font-size: 11px; padding: 8px 14px; bottom: -12px; left: -8px; }

      /* Theme toggle */
      .theme-toggle { top: 56px; right: 12px; width: 38px; height: 38px; font-size: 17px; }

      /* Sticky CTA */
      .sticky-cta { flex-direction: column; text-align: center; padding: 10px 14px; }
      .sticky-cta .btn--cta { width: 100%; max-width: 320px; font-size: 15px; padding: 12px 20px; }

      /* Solution product image hidden on very small */
      .solution__product > div:first-child { display: none; }

      /* Footer */
      .footer__contact { flex-direction: column; align-items: center; }
      .footer__ps { padding: 20px 16px; }

      /* Notice bar — small mobile */
      .notice-bar { font-size: 12px; padding: 8px 12px; line-height: 1.5; }
      #notice-slots { font-size: 18px !important; }

      /* Hero image container — don't force min-height on small screens */
      .hero .placeholder-img { min-height: 0 !important; }

      /* CTA section image — too tall on mobile */
      .cta-section .placeholder-img { height: 220px !important; }

      /* CTA buttons — ensure full-width on very small screens */
      .btn-group { gap: 10px; }
      .cta-section .btn-group .btn--cta,
      .pricing__body .btn--cta { width: 100%; max-width: 360px; }
    }

    /* Very small (≤360px) */
    @media(max-width:360px) {
      .hero__headline { font-size: 24px; }
      .countdown-num  { font-size: 22px; min-width: 44px; }
      .btn--cta { font-size: 15px; padding: 14px 16px; }
    }

    /* ===========================
       FIXED SCROLL-NAV MENU
    =========================== */

    /* Nút mở menu — cố định bên phải giữa màn hình */
    .snav-toggle {
      position: fixed;
      right: 0;
      top: 50%;
      transform: translateY(-50%);
      z-index: 998;
      background: var(--fb-blue);
      color: #FFFFFF;
      border: none;
      border-radius: 12px 0 0 12px;
      padding: 14px 10px;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 5px;
      font-family: inherit;
      font-size: 11px;
      font-weight: 800;
      letter-spacing: .5px;
      box-shadow: -4px 0 20px rgba(24,119,242,.35);
      transition: background .2s, box-shadow .2s;
      writing-mode: vertical-rl;
      text-orientation: mixed;
      user-select: none;
    }
    .snav-toggle:hover { background: var(--fb-blue-dk); box-shadow: -6px 0 28px rgba(24,119,242,.5); }
    .snav-toggle__icon { font-size: 18px; writing-mode: horizontal-tb; margin-bottom: 6px; }

    /* Panel slide-in từ phải */
    .snav-panel {
      position: fixed;
      right: 0; top: 0; bottom: 0;
      width: 260px;
      background: #FFFFFF;
      box-shadow: -6px 0 40px rgba(0,0,0,.18);
      z-index: 1002;
      transform: translateX(100%);
      transition: transform .32s cubic-bezier(.4,0,.2,1);
      display: flex;
      flex-direction: column;
      overflow-y: auto;
      overscroll-behavior: contain;
    }
    .snav-panel.is-open { transform: translateX(0); }

    .snav-panel__head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 20px 14px;
      border-bottom: 2px solid #E5E7EB;
      background: linear-gradient(90deg, var(--fb-blue-dk), var(--fb-blue));
      color: #FFFFFF;
    }
    .snav-panel__title {
      font-size: 16px;
      font-weight: 800;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .snav-panel__close {
      background: rgba(255,255,255,.2);
      border: none;
      border-radius: 8px;
      color: #FFFFFF;
      font-size: 20px;
      line-height: 1;
      padding: 4px 8px;
      cursor: pointer;
      transition: background .15s;
    }
    .snav-panel__close:hover { background: rgba(255,255,255,.35); }

    .snav-panel__list {
      list-style: none;
      padding: 10px 0;
      flex: 1;
    }

    .snav-link {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 20px;
      text-decoration: none;
      color: #1F2937;
      font-size: 16px;
      font-weight: 600;
      border-left: 4px solid transparent;
      transition: background .15s, border-color .15s, color .15s;
      line-height: 1.4;
    }
    .snav-link:hover {
      background: #EFF6FF;
      color: var(--fb-blue);
      border-left-color: var(--fb-blue);
    }
    .snav-link.is-active {
      background: rgba(232,25,44,.06);
      color: var(--red);
      border-left-color: var(--red);
    }
    .snav-link__icon { font-size: 22px; width: 30px; text-align: center; flex-shrink: 0; }
    .snav-link__text { display: flex; flex-direction: column; }
    .snav-link__name { font-size: 16px; font-weight: 700; }
    .snav-link__sub  { font-size: 12px; color: #9CA3AF; font-weight: 400; margin-top: 1px; }

    .snav-link.is-active .snav-link__sub { color: var(--red-dark); opacity: .7; }

    .snav-panel__footer {
      padding: 16px;
      border-top: 1px solid #E5E7EB;
    }
    .snav-panel__cta {
      display: block;
      background: linear-gradient(90deg, var(--gold), #ffcf52);
      color: #111827;
      text-align: center;
      padding: 16px 20px;
      border-radius: 12px;
      font-size: 16px;
      font-weight: 800;
      text-decoration: none;
      box-shadow: 0 4px 16px rgba(245,166,35,.4);
      transition: transform .15s, box-shadow .15s;
    }
    .snav-panel__cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,166,35,.55); }

    /* Backdrop mờ */
    .snav-overlay {
      position: fixed; inset: 0;
      background: rgba(0,0,0,.4);
      z-index: 1001;
      opacity: 0;
      pointer-events: none;
      transition: opacity .3s;
      backdrop-filter: blur(2px);
    }
    .snav-overlay.is-open { opacity: 1; pointer-events: auto; }

    /* Dark mode */
    html[data-theme="dark"] .snav-toggle { background: #1877F2; box-shadow: -4px 0 20px rgba(24,119,242,.5); }
    html[data-theme="dark"] .snav-panel { background: #1E293B; box-shadow: -6px 0 40px rgba(0,0,0,.5); }
    html[data-theme="dark"] .snav-panel__head { background: linear-gradient(90deg,#0f3f7a,#1877F2); }
    html[data-theme="dark"] .snav-panel__footer { border-top-color: rgba(255,255,255,.1); }
    html[data-theme="dark"] .snav-link { color: #CBD5E1; }
    html[data-theme="dark"] .snav-link:hover { background: rgba(255,255,255,.07); color: #60A5FA; border-left-color: #60A5FA; }
    html[data-theme="dark"] .snav-link.is-active { background: rgba(232,25,44,.12); color: #FF4D5E; border-left-color: #FF4D5E; }
    html[data-theme="dark"] .snav-link__sub { color: #64748B; }
    html[data-theme="dark"] .snav-overlay { background: rgba(0,0,0,.65); }

    /* Ẩn toggle trên desktop rất rộng nếu muốn — hiện để lại cho tiện */
    @media(max-width:480px) {
      .snav-panel  { width: 88vw; max-width: 300px; }
      .snav-toggle { padding: 12px 8px; font-size: 10px; }
      .snav-link   { padding: 13px 16px; font-size: 15px; }
      .snav-link__icon { font-size: 20px; }
    }