/* ============================================
   NỀN TẢNG — MOBILE FIRST, CÓ BỐ CỤC RIÊNG CHO PC
   ============================================ */
:root {
    --primary: #4cc0d3;
    --primary-dark: #2fa5b9;
    --primary-deep: #1f7f90;
    --primary-light: #bfeaf1;
    --primary-soft: #e8f7fa;
    --pink: #ff7eb3;
    --pink-deep: #d64d86;
    --pink-soft: #fff0f6;
    --dark: #24343a;
    --text: #44545a;
    --muted: #7b8a90;
    --line: #dcf0f4;
    --white: #ffffff;
    --radius: 20px;
    --radius-sm: 14px;
    --shadow: 0 8px 24px rgba(31,127,144,0.10);
    --font-heading: 'Quicksand', sans-serif;
    --font-body: 'Nunito', sans-serif;
    --page: 480px;
    --sticky-h: 68px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 64px; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: #dff3f7;
    -webkit-font-smoothing: antialiased;
}
img, video, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
strong { color: var(--dark); }

/* Điện thoại / máy tính bảng: cột 480px ở giữa */
.page {
    max-width: var(--page);
    margin: 0 auto;
    background: var(--white);
    min-height: 100vh;
    overflow: hidden;
    padding-bottom: calc(var(--sticky-h) + env(safe-area-inset-bottom));
    position: relative;
}
@media (min-width: 520px) and (max-width: 959px) {
    .page { box-shadow: 0 0 60px rgba(31,127,144,0.15); }
}
.container { position: relative; }
.split { display: grid; gap: 18px; }
.split > * { min-width: 0; }
.hero-visual { display: none; }

.sec { padding: 36px 18px; position: relative; }
.sec.tint { background: var(--primary-soft); }
.sec-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 24px;
    line-height: 1.3;
    color: var(--dark);
    text-align: center;
}
.sec-title .hl { color: var(--primary-dark); }
.sec-sub { text-align: center; color: var(--muted); font-size: 15.5px; margin-top: 6px; }
.sec-head { margin-bottom: 20px; position: relative; padding: 0 44px; }
#pain .sec-title { font-size: clamp(19px, 5.6vw, 24px); }
.nw { white-space: nowrap; }
@media (max-width: 340px) { .nw { white-space: normal; } }
.sec-head::after {
    content: '';
    display: block;
    width: 72px; height: 10px;
    margin: 10px auto 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='10' viewBox='0 0 72 10'%3E%3Cpath d='M2 5 Q8 0 14 5 T26 5 T38 5 T50 5 T62 5 T70 5' stroke='%234cc0d3' stroke-width='3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center;
}
.sec-head.left { padding: 0; }
.mascot {
    position: absolute;
    width: 60px; height: auto;
    pointer-events: none;
    animation: bob 5s ease-in-out infinite;
    filter: drop-shadow(0 6px 10px rgba(31,127,144,0.12));
}
.mascot.l { left: -6px; top: -6px; }
.mascot.r { right: -6px; top: -6px; }
@keyframes bob { 0%,100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-7px) rotate(3deg); } }

/* ============================================
   NÚT
   ============================================ */
.btn {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%;
    min-height: 54px;
    padding: 14px 20px;
    border-radius: 60px;
    background: var(--primary);
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.3px;
    box-shadow: 0 8px 20px rgba(76,192,211,0.40);
    transition: transform .15s ease, background .2s ease;
    position: relative;
    overflow: hidden;
}
.btn:active { transform: scale(0.98); }
.btn:hover { background: var(--primary-dark); }
.btn::after {
    content: '';
    position: absolute; top: 0; left: -60%;
    width: 40%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,.45), transparent);
    animation: shine 2.8s ease-in-out infinite;
}
@keyframes shine { 0% { left: -60%; } 60%, 100% { left: 130%; } }
.btn.pulse,
.btn.js-buy {
    animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 20px rgba(31, 127, 144, 0.35), 0 0 0 0 rgba(76, 192, 211, 0.55);
    }
    50% {
        transform: scale(1.03);
        box-shadow: 0 12px 26px rgba(31, 127, 144, 0.45), 0 0 0 10px rgba(76, 192, 211, 0);
    }
}
.btn.pink {
    background: var(--pink);
    box-shadow: 0 8px 20px rgba(255, 126, 179, 0.40);
}
.btn.pink,
.btn.pink.pulse {
    animation: pinkPulse 1.8s ease-in-out infinite;
}
.btn.pink:hover {
    background: #f0629f;
}
@keyframes pinkPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 20px rgba(214, 77, 134, 0.45), 0 0 0 0 rgba(255, 126, 179, 0.6);
    }
    50% {
        transform: scale(1.03);
        box-shadow: 0 12px 26px rgba(214, 77, 134, 0.55), 0 0 0 10px rgba(255, 126, 179, 0);
    }
}

/* Giá flash sale */
.price-box {
    display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
    gap: 6px 12px;
    margin: 16px 0 14px;
}
.price-tag {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--pink);
    color: var(--white);
    font-weight: 800; font-size: 13px;
    padding: 4px 12px; border-radius: 30px;
    text-transform: uppercase;
}
.price-now { font-family: var(--font-heading); font-weight: 700; font-size: 32px; color: var(--primary-deep); line-height: 1; }
.price-old { font-size: 15px; color: var(--muted); }

/* ============================================
   KHUNG ẢNH / VIDEO (tự điền từ cấu hình)
   ============================================ */
.media {
    position: relative;
    width: 100%;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--primary-soft);
}
.media img, .media video, .media iframe { width: 100%; height: 100%; object-fit: cover; border: 0; }
.ratio-1 { aspect-ratio: 1 / 1; }
.ratio-43 { aspect-ratio: 4 / 3; }
.ratio-34 { aspect-ratio: 3 / 4; }
.ratio-916 { aspect-ratio: 9 / 16; }
.placeholder {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    border: 2px dashed var(--primary-light);
    border-radius: inherit;
    color: var(--primary-dark);
    font-size: 13.5px; font-weight: 700;
    text-align: center;
    padding: 10px;
    background: repeating-linear-gradient(45deg, var(--primary-soft) 0 12px, #f2fbfd 12px 24px);
}
.placeholder span { font-size: 26px; }
.media .caption {
    position: absolute; left: 10px; bottom: 10px;
    background: rgba(255,255,255,.92);
    color: var(--dark);
    font-size: 13px; font-weight: 800;
    padding: 4px 12px; border-radius: 20px;
}
.video-play {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,.15);
}
.video-play i {
    width: 64px; height: 64px; border-radius: 50%;
    background: rgba(255,255,255,.95);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 20px rgba(0,0,0,.2);
}
.video-play i::before {
    content: ''; margin-left: 5px;
    border-left: 20px solid var(--primary-dark);
    border-top: 13px solid transparent; border-bottom: 13px solid transparent;
}

/* Slider vuốt ngang */
.slider { position: relative; min-width: 0; }
.slides {
    display: flex; gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    margin: 0 -18px; padding: 0 18px 4px;
}
.slides::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 82%; scroll-snap-align: center; }
.dots { display: flex; justify-content: center; gap: 7px; margin-top: 12px; }
.feedback-block { margin-bottom: 32px; }
.feedback-block:last-child { margin-bottom: 0; }
.feedback-block .label-line { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.feedback-images-wrap .slide, #feedback [data-slider="feedback"] .slide { flex: 0 0 calc((100% - 14px) / 1.45); scroll-snap-align: start; cursor: zoom-in; }
.feedback-videos-wrap .slide { flex: 0 0 68%; scroll-snap-align: start; }
.slider-arrow { display: none; }
.dots button { width: 8px; height: 8px; border-radius: 8px; background: var(--primary-light); transition: all .25s ease; }
.dots button.on { width: 22px; background: var(--primary); }

/* ============================================
   HEADER
   ============================================ */
body.is-menu-open {
    overflow: hidden !important;
}
.topbar {
    display: block;
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    box-sizing: border-box !important;
    width: 100%;
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 14px;
    box-sizing: border-box !important;
    width: 100%;
}
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-deep);
    font-size: 17px;
    flex-shrink: 0;
}
.brand-dot {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
}
.brand-logo-img {
    height: 38px;
    max-height: 44px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: inline-block;
    flex-shrink: 0;
}
.brand-text {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-deep);
    font-size: 17px;
}

/* Mobile Nav Dropdown */
.topnav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 3px solid var(--primary);
    box-shadow: 0 16px 32px rgba(31, 127, 144, 0.18);
    padding: 12px 16px 16px;
    flex-direction: column;
    gap: 8px;
    z-index: 101;
    animation: slideDownMobileMenu 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.topnav.open {
    display: flex;
}
.topnav a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15.5px;
    font-weight: 700;
    color: var(--dark);
    padding: 12px 14px;
    border-radius: 12px;
    background: #f8fcfe;
    border: 1px solid var(--line);
    transition: all 0.2s ease;
    text-decoration: none;
}
.topnav a:hover,
.topnav a:active {
    background: var(--primary-soft);
    color: var(--primary-deep);
    border-color: var(--primary-light);
}
.topnav .mobile-menu-cta {
    margin-top: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 800;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--pink), var(--pink-deep)) !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 6px 16px rgba(255, 126, 179, 0.35);
}
@keyframes slideDownMobileMenu {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-menu-overlay {
    display: none;
}
@media (max-width: 959px) {
    .mobile-menu-overlay {
        display: block;
        position: fixed;
        inset: 0;
        top: 56px;
        background: rgba(16, 45, 53, 0.45);
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
        z-index: 99;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease;
    }
    .mobile-menu-overlay.open {
        opacity: 1;
        pointer-events: auto;
    }
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.topbar-call {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 126, 179, 0.15);
    color: #d63384;
    font-weight: 800;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 30px;
    border: 1px solid #ff7eb3;
    transition: all .2s ease;
    white-space: nowrap;
}
.topbar-call:hover {
    background: #ff7eb3;
    color: #fff;
}
.topbar-buy {
    display: none;
}

/* Hamburger toggle button */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 38px;
    height: 38px;
    padding: 8px 7px;
    border-radius: 10px;
    background: var(--primary-soft);
    border: 1.5px solid var(--primary-light);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    box-sizing: border-box;
}
.menu-toggle:hover,
.menu-toggle:active {
    background: var(--primary-light);
}
.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--primary-deep);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}
.menu-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* ============================================
   1. HERO
   ============================================ */
.hero { padding: 22px 18px 30px; background: linear-gradient(180deg, var(--primary-soft), var(--white) 70%); position: relative; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--white); color: var(--primary-deep);
    border: 1px solid var(--primary-light);
    font-size: 13px; font-weight: 800;
    padding: 5px 12px; border-radius: 30px;
    margin-bottom: 10px;
}
.hero-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 28px;
    line-height: 1.25;
    color: var(--dark);
    padding-right: 70px;
}
.hero-title .hl { color: var(--pink); }
.hero-q { font-family: var(--font-heading); font-weight: 700; font-size: 18px; color: var(--primary-deep); margin: 6px 0 16px; line-height: 1.35; padding-right: 70px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
.hero-product { font-weight: 800; color: var(--dark); font-size: 16px; margin-bottom: 8px; line-height: 1.35; }
.check-list { list-style: none; display: grid; gap: 9px; }
.check-list li { display: flex; gap: 7px; font-size: 14.5px; line-height: 1.4; color: var(--dark); font-weight: 600; }
.check-list li::before {
    content: '✓'; flex-shrink: 0;
    width: 20px; height: 20px; border-radius: 50%;
    background: var(--primary); color: #fff;
    font-size: 12px; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    margin-top: 1px;
}
.no-list { display: flex; flex-wrap: wrap; gap: 5px; }
.no-list span { background: var(--pink-soft); color: var(--pink-deep); font-size: 12.5px; font-weight: 800; padding: 2px 8px; border-radius: 20px; }
.ba { display: grid; gap: 6px; }
.hero-img { aspect-ratio: 1 / 1; width: 100%; }
.ba .media .caption { top: 8px; bottom: auto; left: 8px; font-size: 12px; padding: 3px 10px; }
.ba .media.after .caption { background: var(--primary); color: #fff; }
.hero-mascot { position: absolute; width: 72px; right: 10px; top: 14px; animation: bob 5s ease-in-out infinite; filter: drop-shadow(0 6px 10px rgba(31,127,144,0.12)); }

/* ============================================
   NỘI DUNG CÁC SECTION
   ============================================ */
.pain-list { list-style: none; display: grid; gap: 10px; margin-bottom: 18px; }
.pain-list li {
    display: flex; align-items: center; gap: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: 16px; font-weight: 600; color: var(--dark);
    box-shadow: var(--shadow);
}
.pain-list li span { font-size: 24px; flex-shrink: 0; }
.alert-line {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #fff2f7, #ffe6f0);
    border: 1.5px solid #ffccd9;
    border-left: 5px solid var(--pink-deep);
    border-radius: var(--radius-sm);
    padding: 13px 18px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 17.5px;
    color: var(--pink-deep);
    line-height: 1.4;
    margin: 16px 0 0;
    box-shadow: 0 6px 20px rgba(214, 77, 134, 0.14);
    transition: all 0.25s ease;
}
.alert-line .alert-icon {
    font-size: 22px;
    flex-shrink: 0;
    line-height: 1;
    animation: alertBounce 2s ease-in-out infinite;
}
@keyframes alertBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.18); }
}
.lead { font-size: 16.5px; text-align: center; }

.ingr { display: grid; gap: 10px; margin-bottom: 0; }
.ingr-item {
    display: flex; gap: 12px; align-items: flex-start;
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow);
}
.ingr-icon { font-size: 24px; flex-shrink: 0; line-height: 1.2; }
.ingr-item b { display: block; color: var(--dark); font-size: 16px; }
.ingr-item p { font-size: 15px; }
.ingr-cta {
    display: flex;
    gap: 12px;
    align-items: center;
    background: linear-gradient(135deg, var(--pink), var(--pink-deep)) !important;
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    border: none !important;
    border-left: none !important;
    box-shadow: 0 8px 22px rgba(255, 126, 179, 0.38) !important;
    color: #ffffff !important;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: pinkPulse 2s ease-in-out infinite;
}
.ingr-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(214, 77, 134, 0.5) !important;
}
.ingr-cta .ingr-icon {
    font-size: 26px;
    flex-shrink: 0;
    line-height: 1;
}
.ingr-cta-text {
    flex: 1;
    min-width: 0;
}
.ingr-cta-text b {
    display: block;
    color: #ffffff !important;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 0.2px;
    line-height: 1.3;
}
.ingr-cta-text p {
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.95) !important;
    margin: 2px 0 0;
    line-height: 1.3;
}
.ingr-cta-text strong {
    color: #ffe066 !important;
    font-weight: 800;
}
.five-no { background: var(--primary); color: var(--white); border-radius: var(--radius); padding: 16px; }
.five-no h3 { font-family: var(--font-heading); font-size: 19px; margin-bottom: 10px; text-align: center; }
.five-no-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.five-no-grid span {
    background: rgba(255,255,255,.18);
    border: 1px solid rgba(255,255,255,.35);
    padding: 6px 12px; border-radius: 30px;
    font-size: 14px; font-weight: 700;
}

.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.duo figcaption { text-align: center; font-size: 14px; font-weight: 700; color: var(--dark); margin-top: 8px; line-height: 1.4; }
.duo figcaption small { display: block; color: var(--primary-deep); font-weight: 800; font-size: 14px; }
.label-line { text-align: center; font-weight: 800; color: var(--primary-deep); margin: 0 0 10px; font-size: 15.5px; }
.video-wrap { max-width: 300px; margin: 0 auto; width: 100%; }

.steps { list-style: none; display: grid; gap: 12px; counter-reset: s; }
.steps li {
    display: flex; gap: 12px; align-items: flex-start;
    background: var(--white); border: 1px solid var(--line);
    border-radius: var(--radius-sm); padding: 12px 14px;
    font-size: 16px; color: var(--dark); font-weight: 600;
}
.steps li::before {
    counter-increment: s; content: counter(s);
    width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
    background: var(--primary); color: #fff;
    font-family: var(--font-heading); font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

.spec { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.spec div { display: flex; justify-content: space-between; gap: 12px; padding: 13px 16px; font-size: 15.5px; border-bottom: 1px solid var(--line); }
.spec div:last-child { border-bottom: none; }
.spec dt { color: var(--muted); }
.spec dd { color: var(--dark); font-weight: 800; text-align: right; }
.cta-card {
    background: var(--primary);
    color: var(--white);
    border-radius: 24px;
    padding: 28px 20px 24px;
    text-align: center;
    position: relative;
    margin-top: 54px;
    animation: ctaGlow 2.6s ease-in-out infinite;
}
/* Viền đứt nét bên trong */
.cta-card::before {
    content: '';
    position: absolute; inset: 8px;
    border: 2px dashed rgba(255,255,255,.55);
    border-radius: 18px;
    pointer-events: none;
}
@keyframes ctaGlow {
    0%, 100% { box-shadow: 0 16px 36px rgba(31,127,144,.35), 0 0 0 0 rgba(76,192,211,.45); }
    50% { box-shadow: 0 16px 36px rgba(31,127,144,.35), 0 0 0 12px rgba(76,192,211,0); }
}
.cta-card .sec-title { color: var(--white); position: relative; }
.cta-card .price-box { position: relative; margin: 14px 0 18px; }
.cta-card .price-tag { background: var(--white); color: var(--pink-deep); }
.cta-card .price-now { color: #ffe45c; font-size: 42px; text-shadow: 0 3px 0 rgba(20,90,104,.25); }
.cta-card .price-old, .cta-card .price-old s { color: rgba(255,255,255,.88); }
.cta-card .btn {
    background: var(--pink);
    box-shadow: 0 8px 20px rgba(214,77,134,.45);
    animation: pinkPulse 1.8s ease-in-out infinite;
    position: relative;
}
.cta-card .btn:hover { background: #f0629f; }
@keyframes pinkPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 8px 20px rgba(214,77,134,.45), 0 0 0 0 rgba(255,255,255,.6); }
    50% { transform: scale(1.03); box-shadow: 0 8px 20px rgba(214,77,134,.45), 0 0 0 10px rgba(255,255,255,0); }
}
.cta-card .mascot { width: 90px; top: -62px; right: 6px; left: auto; z-index: 1; }
.cta-card .sec-title { font-size: 22px; padding-right: 40px; }

/* ============================================
   FORM ƯU ĐÃI TẶNG RIÊNG CHO MẸ
   ============================================ */
.order-sec {
    background: linear-gradient(135deg, #4cc0d3 0%, #2ba5b9 50%, #1a8395 100%);
    padding: 48px 18px;
    position: relative;
    overflow: hidden;
}
.order-sec::before {
    content: '';
    position: absolute;
    top: -80px;
    left: -80px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.22) 0%, rgba(255,255,255,0) 70%);
    pointer-events: none;
}
.order-sec::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,126,179,0.25) 0%, rgba(255,126,179,0) 70%);
    pointer-events: none;
}
.order-card {
    background: var(--white);
    border-radius: 28px;
    padding: 28px 20px;
    box-shadow: 0 20px 50px rgba(16, 75, 87, 0.28), 0 4px 16px rgba(0,0,0,0.06);
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.8);
}
.offer {
    text-align: center;
}
.offer-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #fff0f5, #ffe4ec);
    color: var(--pink-deep);
    font-size: 12.5px;
    font-weight: 800;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid #ffd1df;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}
.offer-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 26px;
    line-height: 1.25;
    color: var(--pink-deep);
    text-transform: uppercase;
    margin-bottom: 10px;
}
.offer-price-wrap {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.offer-price-now {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 32px;
    color: var(--primary-deep);
    line-height: 1;
}
.offer-price-old {
    font-size: 16px;
    color: #94a3b8;
    text-decoration: line-through;
    font-weight: 600;
}
.offer-discount-tag {
    background: #ef4444;
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 6px;
    line-height: 1.2;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.3);
}
.countdown-wrap {
    margin: 12px 0 20px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 14px 16px;
    display: inline-block;
}
.countdown-label {
    font-size: 13.5px;
    font-weight: 700;
    color: #475569;
    margin-bottom: 8px;
}
.countdown {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}
.countdown .unit {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
    border-radius: 12px;
    min-width: 62px;
    padding: 8px 6px 6px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.25);
}
.countdown .unit b {
    display: block;
    font-family: var(--font-heading);
    font-size: 26px;
    line-height: 1.1;
    font-weight: 800;
    color: #fff;
}
.countdown .unit span {
    font-size: 11px;
    color: #cbd5e1;
    text-transform: uppercase;
    letter-spacing: .5px;
    display: block;
    margin-top: 2px;
}
.countdown .colon {
    font-size: 22px;
    font-weight: 800;
    color: #64748b;
}
.offer-product-wrap {
    margin-top: 14px;
    text-align: center;
}
.offer-product-img {
    max-width: 220px;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 14px 24px rgba(20, 80, 92, 0.16));
    transition: transform .3s ease;
    cursor: zoom-in;
    margin: 0 auto;
    display: block;
}
.offer-product-img:hover {
    transform: scale(1.05) translateY(-4px);
}
.offer-trust-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
    text-align: left;
    background: #f8fafc;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid #edf2f7;
}
.offer-trust-badges .badge-item {
    font-size: 13.5px;
    font-weight: 700;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.35;
}
.offer-trust-badges .badge-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #dcfce7;
    color: #16a34a;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-style: normal;
    font-weight: 900;
    flex-shrink: 0;
}
.offer-perks { display: none; }
.offer-mascot { display: none; }

.field { margin-bottom: 12px; text-align: left; }
.field > label, .field-label { display: block; font-weight: 700; font-size: 15px; color: var(--dark); margin-bottom: 6px; }
.field label i { color: #e5484d; font-style: normal; }
.input {
    width: 100%;
    font: inherit; font-size: 16px;
    padding: 13px 14px;
    border: 2px solid #e3eef1;
    border-radius: 12px;
    background: #f8fcfd;
    color: var(--dark);
    transition: border-color .2s ease, background .2s ease;
}
.input:focus { outline: none; border-color: var(--primary); background: #fff; }
.input.error { border-color: #e5484d; }
.err { display: none; color: #e5484d; font-size: 13px; margin-top: 4px; }
.err.show { display: block; }
.packs { display: grid; gap: 8px; }
.pack {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px;
    border: 2px solid #e3eef1;
    border-radius: 14px;
    background: #f8fcfd;
    cursor: pointer;
    transition: border-color .2s ease, background .2s ease;
}
.pack input { width: 20px; height: 20px; accent-color: var(--primary-dark); flex-shrink: 0; }
.pack .pack-name { font-weight: 800; color: var(--dark); font-size: 16px; }
.pack .pack-price { margin-left: auto; text-align: right; line-height: 1.25; }
.pack .pack-price b { display: block; color: var(--primary-deep); font-size: 17px; }
.pack .pack-price s { color: var(--muted); font-size: 13px; }
.pack:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
.pack.on { border-color: var(--primary); background: var(--primary-soft); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form-alert { display: none; margin-top: 10px; padding: 10px 12px; border-radius: 12px; background: #fff0f0; color: #c93a3f; font-size: 14px; }
.form-alert.show { display: block; }
.form-alert a { font-weight: 800; text-decoration: underline; }
.secure { text-align: center; font-size: 13px; color: var(--muted); margin-top: 10px; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 3px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.success { display: none; text-align: center; padding: 6px 0; }
.success.show { display: block; }
.success img { width: 140px; margin: 0 auto 6px; }
.success h3 { font-family: var(--font-heading); font-size: 22px; color: var(--primary-deep); margin-bottom: 6px; }
.success p { font-size: 15.5px; margin-bottom: 12px; }
.success .summary { text-align: left; background: var(--primary-soft); border-radius: 12px; padding: 12px 14px; font-size: 14.5px; line-height: 1.8; margin-bottom: 14px; }

/* ============================================
   FAQ, CÂU CHUYỆN, ĐÁNH GIÁ
   ============================================ */
.faq { display: grid; gap: 10px; }
.faq details {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.faq summary {
    list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
    padding: 15px 16px;
    font-weight: 800; color: var(--dark); font-size: 16px;
    cursor: pointer;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: '+';
    width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
    background: var(--primary-soft); color: var(--primary-deep);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 800;
    transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq details p { padding: 0 16px 16px; font-size: 15.5px; }

.story { background: linear-gradient(180deg, var(--white), var(--primary-soft)); }
.story-hero { text-align: center; }
.story-mascot { width: 130px; margin: 0 auto 4px; animation: bob 5s ease-in-out infinite; filter: drop-shadow(0 8px 14px rgba(31,127,144,.15)); }
.story-typewriter-box {
    max-width: 840px;
    margin: 24px auto 0;
    background: var(--white);
    border-radius: 24px;
    padding: 24px 20px;
    border: 2px solid rgba(76, 192, 211, 0.36);
    box-shadow: 0 16px 40px rgba(31, 127, 144, 0.12), 0 4px 12px rgba(0, 0, 0, 0.04);
    position: relative;
    text-align: left;
    box-sizing: border-box;
}
.story-card-decor-quote {
    position: absolute;
    top: -12px;
    left: 20px;
    font-size: 48px;
    line-height: 1;
    font-family: Georgia, serif;
    color: rgba(76, 192, 211, 0.44);
    pointer-events: none;
    user-select: none;
}
.story-typewriter-text {
    color: var(--primary-deep);
    font-size: 16px;
    line-height: 1.8;
    font-weight: 600;
    margin: 0;
    position: relative;
    z-index: 2;
    text-align: justify;
    word-break: break-word;
}
.story-typewriter-highlight {
    display: block;
    margin-top: 16px;
    color: var(--primary-dark);
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    line-height: 1.6;
    position: relative;
    z-index: 2;
    word-break: break-word;
}
.typewriter-highlight-text {
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: 0.2px;
}
.typewriter-cursor {
    display: inline-block;
    margin-left: 4px;
    font-weight: 700;
    color: var(--primary);
    animation: cursorBlink 0.8s infinite;
    user-select: none;
}
.typewriter-cursor.cursor-finished {
    animation: cursorBlinkFade 1.6s infinite;
}
@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}
@keyframes cursorBlinkFade {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0; }
}

.story-steps { list-style: none; display: grid; gap: 14px; position: relative; margin-bottom: 22px; }
/* Đường chấm nối các thẻ như một hành trình */
.story-steps::before {
    content: '';
    position: absolute; left: 27px; top: 28px; bottom: 28px;
    border-left: 3px dotted var(--primary-light);
}
.story-steps li {
    position: relative;
    display: flex; gap: 14px; align-items: flex-start;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px 16px 16px 12px;
    box-shadow: var(--shadow);
}
.story-icon {
    width: 56px; height: 56px; flex-shrink: 0;
    border-radius: 50%;
    background: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    box-shadow: 0 0 0 5px var(--primary-soft);
    position: relative;
}
.story-steps p { font-size: 16px; color: var(--dark); line-height: 1.6; padding-top: 2px; }
.story-tagline { text-align: center; }
.story-tagline span {
    display: inline-block;
    position: relative;
    background: var(--primary-deep);
    color: var(--white);
    font-family: var(--font-heading); font-weight: 700;
    font-size: 18px; line-height: 1.4;
    padding: 14px 26px;
    border-radius: 18px;
    box-shadow: 0 10px 24px rgba(31,127,144,.25);
}
.story-tagline span::before, .story-tagline span::after {
    position: absolute;
    font-size: 46px; line-height: 1;
    color: #ffe45c;
    font-family: Georgia, serif;
}
.story-tagline span::before { content: '\201C'; left: 8px; top: -14px; }
.story-tagline span::after { content: '\201D'; right: 8px; bottom: -32px; }

.rating-box {
    background: var(--pink-soft);
    border: 1px solid #ffd6e6;
    border-radius: var(--radius-sm);
    padding: 14px;
    margin-bottom: 6px;
}
.rating-top { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.rating-num { font-family: var(--font-heading); font-weight: 700; font-size: 32px; color: #ee4d2d; line-height: 1; }
.rating-num small { font-size: 15px; }
.stars { color: #ffb400; letter-spacing: 1px; font-size: 16px; }
.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.chips .chip,
.chips span {
    background: var(--white);
    border: 1px solid #f1d6df;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 4px;
    color: var(--dark);
    cursor: pointer;
    transition: all .2s ease;
    user-select: none;
    line-height: 1.2;
    font-family: inherit;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.chips .chip:hover,
.chips span:hover {
    border-color: #ee4d2d;
    color: #ee4d2d;
}
.chips .chip.on,
.chips span.on {
    border-color: #ee4d2d;
    background: #fff5f2;
    color: #ee4d2d;
    font-weight: 700;
    box-shadow: 0 1px 4px rgba(238, 77, 45, 0.15);
}
.reviews-list {
    display: grid;
    gap: 12px;
}
.review {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    transition: opacity .25s ease;
}
.review-head {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 8px;
}
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #ffe3ec;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: var(--primary-deep);
    overflow: hidden;
    flex-shrink: 0;
}
.avatar.avatar-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.review-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.review-name {
    font-weight: 700;
    font-size: 14.5px;
    color: var(--dark);
}
.review-sub {
    display: flex;
    align-items: center;
    gap: 8px;
}
.review-date {
    font-size: 12px;
    color: #888;
}
.review p {
    font-size: 15px;
    line-height: 1.5;
    color: var(--dark);
    margin: 6px 0 10px;
}
.review-imgs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}
.review-img-item {
    width: 72px;
    height: 72px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #eee;
    background: #f7f7f7;
    cursor: pointer;
    position: relative;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.review-img-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .25s ease;
}
.review-img-item:hover img {
    transform: scale(1.08);
}
.reviews-empty {
    text-align: center;
    padding: 36px 16px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px dashed #e8cdd6;
    margin-top: 16px;
}
.reviews-empty-icon {
    font-size: 32px;
    margin-bottom: 8px;
    opacity: .7;
}
.reviews-empty p {
    font-size: 14.5px;
    color: #777;
    margin: 0;
}

.review-lightbox {
    position: fixed !important;
    inset: 0 !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 999999 !important;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
}
.review-lightbox.open {
    display: flex !important;
}
.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    cursor: pointer;
}
.lightbox-content {
    position: relative;
    max-width: 94vw;
    max-height: 90vh;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: zoomInLightbox 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes zoomInLightbox {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}
.lightbox-content img {
    max-width: 100%;
    max-height: 88vh;
    border-radius: 12px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.55);
    object-fit: contain;
    background: #fff;
}
.lightbox-close {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border: none;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #222;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    transition: transform .2s, background .2s, color .2s;
    z-index: 2;
}
.lightbox-close:hover {
    transform: scale(1.1);
    background: var(--pink);
    color: #fff;
}
body.is-lightbox-open {
    overflow: hidden !important;
}

/* Con trỏ zoom-in cho tất cả ảnh nội dung */
.media img,
.slide img,
.ba img,
.hero-img img,
.offer-product-img,
.trust-img img,
.trust-img,
.duo img,
.seminar-slide img,
.review-img-item,
.review-imgs img,
.howto-img,
[data-slider] img,
[data-media] img {
    cursor: zoom-in;
}
@media (max-width: 767px) {
    .lightbox-close {
        top: -12px;
        right: -8px;
        width: 36px;
        height: 36px;
        font-size: 20px;
    }
    .lightbox-content img {
        max-height: 82vh;
    }
}

.footer {
    background: var(--primary-deep);
    color: rgba(255, 255, 255, 0.88);
    text-align: center;
    padding: 34px 18px calc(var(--sticky-h) + 26px);
    font-size: 14px;
    line-height: 1.6;
}
.footer-logo-wrap {
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.footer-logo {
    height: 48px;
    max-height: 56px;
    width: auto;
    object-fit: contain;
    background: #ffffff;
    padding: 6px 18px;
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}
.footer-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
    letter-spacing: -0.2px;
}
.footer-hotline {
    font-size: 14.5px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}
.footer-hotline a {
    color: #ffe066;
    text-decoration: underline;
    font-weight: 800;
    transition: color .2s;
}
.footer-hotline a:hover {
    color: #ffffff;
}
.footer-company {
    font-size: 14px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 6px;
    line-height: 1.4;
}
.footer-address,
.footer-tax {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.84);
    margin-bottom: 6px;
    line-height: 1.5;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}
.footer-copy {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
}

/* ============================================
   THANH MUA DÍNH DƯỚI + NÚT GỌI (mobile)
   ============================================ */
.sticky-buy {
    position: fixed; z-index: 60;
    left: 50%; bottom: 0;
    transform: translateX(-50%);
    width: 100%; max-width: var(--page);
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px calc(9px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 -6px 20px rgba(31,127,144,.12);
}
.sticky-call, .sticky-zalo {
    flex-shrink: 0;
    width: 50px; height: 50px; border-radius: 50%;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
}
.sticky-call {
    background: #ff7eb3;
    font-size: 22px;
    animation: ring 1.6s ease-in-out infinite;
    box-shadow: 0 4px 14px rgba(255, 126, 179, 0.45);
    transition: transform .2s ease, background .2s ease;
}
.sticky-call:hover { background: #f768a2; }
.sticky-zalo { background: #0068ff; font-weight: 800; font-size: 13px; }
@keyframes ring {
    0%, 100% { transform: rotate(0); box-shadow: 0 0 0 0 rgba(255, 126, 179, .55); }
    10%, 30% { transform: rotate(-14deg); }
    20%, 40% { transform: rotate(14deg); }
    50% { transform: rotate(0); box-shadow: 0 0 0 14px rgba(255, 126, 179, 0); }
}
.sticky-buy .btn { min-height: 50px; font-size: 16px; padding: 10px 14px; flex: 1; }
.sticky-buy .btn small { font-size: 13px; opacity: .9; font-weight: 600; }

/* Thông báo đặt hàng: Đã ẩn theo yêu cầu */
.toast {
    display: none !important;
}

/* Hiện dần khi cuộn */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ============================================
   MÁY TÍNH (≥ 960px): BỐ CỤC 2 CỘT, TRÀN RỘNG
   ============================================ */
@media (min-width: 960px) {
    body { background: var(--white); font-size: 17px; }
    .page { max-width: none; padding-bottom: 0; overflow: visible; }
    .container { max-width: 1120px; margin: 0 auto; }
    .sec { padding: 80px 32px; }
    .sec-head { padding: 0; margin-bottom: 36px; }
    .sec-head.left-pc .sec-title, .sec-head.left-pc .sec-sub { text-align: left; }
    .sec-head.left-pc::after { margin-left: 0; }
    .sec-title { font-size: 36px; }
    .sec-sub { font-size: 17px; max-width: 680px; margin-left: auto; margin-right: auto; }
    .sec-head.left-pc .sec-sub { margin-left: 0; }
    .mascot { width: 120px; }
    .mascot.l { left: -150px; top: -10px; }
    .mascot.r { right: -150px; top: -10px; }
    .split { grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
    .split.flip > :first-child { order: 2; }

    /* Header có menu + nút mua */
    .menu-toggle { display: none !important; }
    .mobile-menu-overlay { display: none !important; }
    .topnav .mobile-menu-cta { display: none !important; }
    .topbar { display: block; }
    .topbar-inner { max-width: 1120px; margin: 0 auto; padding: 14px 32px; }
    .brand { font-size: 20px; }
    .brand-dot { width: 36px; height: 36px; font-size: 18px; }
    .brand-logo-img { height: 44px; max-height: 54px; max-width: 220px; }
    .topnav {
        display: flex !important;
        position: static !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        flex-direction: row !important;
        gap: 32px;
        font-weight: 700;
        color: var(--dark);
        font-size: 18px;
        align-items: center;
        animation: none !important;
    }
    .topnav a {
        font-size: 18px;
        color: var(--dark);
        transition: color .2s ease;
        padding: 4px 0 !important;
        background: transparent !important;
        border: none !important;
        border-radius: 0 !important;
    }
    .topnav a:hover {
        color: var(--primary-deep);
        background: transparent !important;
    }
    .topbar-buy { display: inline-flex; width: auto; min-height: 44px; padding: 10px 24px; font-size: 15.5px; }
    .toast { top: 80px; }

    /* Hero 2 cột: chữ trái, ảnh trước-sau phải */
    .hero { padding: 72px 32px 88px; }
    .hero .container { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
    .hero-title { font-size: 52px; padding-right: 0; }
    .hero-q { font-size: 26px; margin: 10px 0 24px; padding-right: 0; }
    .hero-grid { display: block; }
    .hero-product { font-size: 20px; margin-bottom: 12px; }
    .check-list { gap: 12px; }
    .check-list li { font-size: 17.5px; }
    .check-list li::before { width: 24px; height: 24px; font-size: 14px; }
    .no-list span { font-size: 14px; padding: 4px 12px; }
    .hero .price-box { justify-content: flex-start; margin: 28px 0 20px; }
    .hero .btn { max-width: 380px; }
    .price-now { font-size: 42px; }
    .ba { display: block; }
    .hero-img { aspect-ratio: 1 / 1; border-radius: var(--radius); }
    .ba .media .caption { font-size: 14px; padding: 5px 14px; top: 12px; left: 12px; }
    .hero-visual { position: relative; }
    .hero-visual .hero-mascot { display: none !important; }
    .ba-mobile, .hero-mascot-m { display: none !important; }
    .hero-visual { display: block; }

    .pain-list li { font-size: 17.5px; padding: 16px 18px; }
    .alert-line { font-size: 20px; padding: 15px 22px; }
    .alert-line .alert-icon { font-size: 24px; }
    .slides { margin: 0; padding: 0 0 4px; }
    .slide { flex-basis: 100%; }
    .slider { position: relative; }
    .slider-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: #fff;
        border: 1px solid var(--line);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
        color: var(--primary-deep);
        font-size: 26px;
        line-height: 1;
        cursor: pointer;
        z-index: 10;
        transition: all .2s ease;
        padding: 0;
    }
    .slider-arrow:hover {
        background: #fff;
        transform: translateY(-50%) scale(1.12);
        color: var(--primary-dark);
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    }
    .slider-arrow.prev { left: -14px; }
    .slider-arrow.next { right: -14px; }
    #seminar .slide { flex-basis: calc((100% - 24px) / 3); }
    .feedback-images-wrap .slide,
    #feedback [data-slider="feedback"] .slide {
        flex-basis: calc((100% - 36px) / 3.45);
        scroll-snap-align: start;
        border-radius: var(--radius);
        overflow: hidden;
        cursor: zoom-in;
    }
    .feedback-videos-wrap .slide,
    #feedback .slider.videos .slide {
        flex-basis: calc((100% - 48px) / 4.2);
        scroll-snap-align: start;
        border-radius: var(--radius);
        overflow: hidden;
    }
    .feedback-block { margin-bottom: 44px; }
    .feedback-block .label-line { font-size: 21px; margin-bottom: 16px; }
    .lead { font-size: 18.5px; text-align: left; }

    .ingr { grid-template-columns: 1fr 1fr; gap: 14px; }

    .duo { gap: 24px; }
    .trust-duo { max-width: 700px; margin: 0 auto; }
    .duo figcaption { font-size: 16px; }
    .label-line { font-size: 17px; text-align: left; }
    .video-wrap { max-width: 340px; }

    .steps li { font-size: 17.5px; padding: 18px 20px; }

    .cta-card { margin-top: 0; padding: 44px 36px 36px; }
    .cta-card .price-now { font-size: 52px; }
    .cta-card .sec-title { font-size: 28px; padding-right: 0; }
    .cta-card .mascot { width: 120px; top: -80px; right: -20px; }

    /* Form: ưu đãi trái, form phải */
    .order-sec { padding: 80px 24px; }
    .order-card {
        max-width: 1200px;
        margin: 0 auto;
        padding: 44px 36px;
        display: grid;
        grid-template-columns: 0.85fr 1.35fr;
        gap: 36px;
        align-items: start;
        border-radius: 36px;
    }
    .order-form-container {
        width: 100%;
        margin-left: auto;
    }
    .offer { text-align: left; }
    .offer-title { font-size: 36px; }
    .offer-price-wrap { justify-content: flex-start; }
    .offer-price-now { font-size: 40px; }
    .countdown-wrap { display: inline-block; }
    .countdown { justify-content: flex-start; }
    .countdown .unit { min-width: 72px; padding: 10px 8px 8px; }
    .countdown .unit b { font-size: 32px; }
    .offer-product-wrap { text-align: left; }
    .offer-product-img { max-width: 260px; margin: 0; }
    .offer-trust-badges { background: transparent; padding: 0; border: none; margin-top: 18px; }
    .offer-mascot { display: none; }

    .faq-wrap { max-width: 820px; margin: 0 auto; }
    .story-mascot { width: 170px; }
    .story-typewriter-box {
        max-width: 880px;
        padding: 36px 44px;
        border-radius: 28px;
        margin-top: 32px;
    }
    .story-card-decor-quote {
        top: -16px;
        left: 28px;
        font-size: 64px;
    }
    .story-typewriter-text {
        font-size: 20px;
        line-height: 1.85;
    }
    .story-typewriter-highlight {
        margin-top: 20px;
        font-size: 24px;
    }
    .story-steps { grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
    .story-steps::before { left: 16%; right: 16%; top: 58px; bottom: auto; border-left: 0; border-top: 3px dotted var(--primary-light); }
    .story-steps li { flex-direction: column; align-items: center; text-align: center; padding: 30px 24px 26px; }
    .story-icon { width: 64px; height: 64px; font-size: 30px; }
    .story-steps p { font-size: 17px; }
    .story-tagline span { font-size: 24px; padding: 18px 44px; }

    .reviews-list { grid-template-columns: 1fr 1fr; gap: 24px; }
    .review { background: var(--white); border-radius: var(--radius); padding: 20px; border: 1px solid var(--line); }
    .rating-box { margin-bottom: 24px; display: flex; align-items: center; gap: 24px; }
    .rating-top { margin-bottom: 0; flex-shrink: 0; }
    .reviews-cta { max-width: 380px; margin: 28px auto 0; }

    .footer { padding: 36px 32px; font-size: 15px; }

    /* Nút gọi + Zalo nổi góc phải, ẩn thanh mua dưới */
    .sticky-buy {
        left: auto; right: 24px; bottom: 24px; transform: none;
        width: auto; max-width: none;
        flex-direction: column;
        background: none; backdrop-filter: none; box-shadow: none; padding: 0;
    }
    .sticky-buy .btn { display: none; }
    .sticky-call, .sticky-zalo { width: 58px; height: 58px; box-shadow: 0 8px 20px rgba(0,0,0,.18); }
    .toast { left: 24px; right: auto; top: auto; bottom: 24px; transform: translateX(-130%); width: 360px; }
    .toast.show { transform: translateX(0); }
}
@media (min-width: 960px) and (max-width: 1240px) {
    .mascot.l, .mascot.r { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .js .reveal { opacity: 1; transform: none; }
}


/* ============================================
   CONTACT FORM 7 STYLING INTEGRATION
   ============================================ */
.order-card .wpcf7 {
    width: 100%;
}
.order-card .wpcf7-form-control-wrap {
    display: block;
    width: 100%;
}
.order-card input.wpcf7-text,
.order-card input.wpcf7-tel,
.order-card input.wpcf7-email {
    width: 100%;
    min-height: 52px;
    padding: 12px 18px;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    font-size: 16px;
    background: #fff;
    color: var(--dark);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    font-family: var(--font-body);
}
.order-card input.wpcf7-text:focus,
.order-card input.wpcf7-tel:focus,
.order-card input.wpcf7-email:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(76,192,211,0.22);
}
.order-card input.wpcf7-not-valid,
.order-card select.wpcf7-not-valid,
.order-card textarea.wpcf7-not-valid {
    border-color: #ef4444 !important;
    background: #fff8f8 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18) !important;
}
.order-card .wpcf7-not-valid-tip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #b91c1c;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    margin-top: 6px;
    padding: 4px 14px;
    line-height: 1.4;
    animation: fadeIn .2s ease-out;
}
.order-card .wpcf7-radio {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 8px 0 18px;
}
.order-card .wpcf7 p {
    margin: 0;
}
.order-card .field label,
.order-card .field > label,
.order-card .field-label {
    display: block;
    font-weight: 700;
    font-size: 15px;
    color: var(--dark);
    margin-bottom: 6px;
}
.order-card .wpcf7-list-item {
    margin: 0;
    display: block;
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--line);
    border-radius: 14px;
    background: #fff;
    cursor: pointer;
    font-size: 14.5px;
    font-weight: 700;
    text-align: left;
    transition: all .2s ease;
}
.order-card .wpcf7-list-item label {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    width: 100%;
    margin: 0;
    cursor: pointer;
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
    text-align: left;
}
.order-card .wpcf7-list-item input[type="radio"] {
    margin: 0;
    width: 20px;
    height: 20px;
    accent-color: #ff7eb3;
    cursor: pointer;
    flex-shrink: 0;
}
.order-card .wpcf7-list-item-label {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    width: auto;
    flex-wrap: nowrap;
    white-space: nowrap;
    gap: 8px;
    font-size: 14.5px;
    color: var(--dark);
    line-height: 1.4;
}
.order-card .wpcf7-list-item-label::before,
.order-card .wpcf7-list-item-label::after {
    display: none !important;
    content: none !important;
}
.order-card .pkg-title {
    color: #1e293b;
    font-weight: 800;
    font-size: 14.5px;
    white-space: nowrap;
    text-align: left;
}
.order-card .pkg-right {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    margin-left: 0;
    white-space: nowrap;
    text-align: left;
}
.order-card .pkg-orig {
    color: #8c9ba5;
    font-size: 13px;
    font-weight: 600;
    text-decoration: line-through;
}
.order-card .pkg-free {
    color: #059669;
    font-weight: 800;
    font-size: 12px;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    padding: 2px 8px;
    border-radius: 999px;
    letter-spacing: 0.3px;
}
@media (max-width: 767px) {
    .order-card .wpcf7-list-item-label {
        flex-wrap: wrap;
        white-space: normal;
        font-size: 13.5px;
    }
    .order-card .pkg-title {
        white-space: normal;
    }
    .order-card .pkg-right {
        white-space: normal;
        margin-left: 0;
    }
}
.order-card .wpcf7-list-item:hover,
.order-card .wpcf7-list-item:has(input:checked) {
    border-color: #ff7eb3;
    background: #fff5f8;
    box-shadow: 0 4px 14px rgba(255, 126, 179, 0.16);
    transform: translateY(-1px);
}
.order-card input.wpcf7-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 56px;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--pink), var(--pink-deep));
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 18px;
    border-radius: 999px;
    border: none;
    box-shadow: 0 10px 24px rgba(255,126,179,0.38);
    cursor: pointer;
    transition: transform .15s, box-shadow .2s;
    margin-top: 14px;
    animation: pinkPulse 1.8s ease-in-out infinite;
}
.order-card input.wpcf7-submit:hover {
    box-shadow: 0 14px 30px rgba(255,126,179,0.48);
}
.order-card .wpcf7-response-output {
    border-radius: 16px !important;
    padding: 14px 20px !important;
    font-size: 15px !important;
    line-height: 1.5 !important;
    margin: 18px 0 0 !important;
    font-family: var(--font-heading) !important;
    font-weight: 700 !important;
    text-align: center !important;
    transition: all .25s ease !important;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06) !important;
}
.order-card .wpcf7 form.sent .wpcf7-response-output {
    border: 2px solid #22c55e !important;
    background: linear-gradient(135deg, #eafbf0, #f0fdf4) !important;
    color: #14532d !important;
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.16) !important;
}
.order-card .wpcf7 form.invalid .wpcf7-response-output {
    border: 2px solid #f97316 !important;
    background: linear-gradient(135deg, #fff7ed, #fff1f2) !important;
    color: #9a3412 !important;
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.16) !important;
}
.order-card .wpcf7 form.failed .wpcf7-response-output,
.order-card .wpcf7 form.spam .wpcf7-response-output {
    border: 2px solid #ef4444 !important;
    background: linear-gradient(135deg, #fef2f2, #ffe4e6) !important;
    color: #991b1b !important;
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.16) !important;
}
.order-card .wpcf7-spinner {
    display: block;
    margin: 12px auto 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--pink-deep);
    opacity: 0;
    transition: opacity .2s;
}
.order-card form.submitting .wpcf7-spinner {
    opacity: 1;
    visibility: visible;
}