/* ========== Reset & Base ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg:       #ffffff;
    --bg-alt:   #f7f9f5;
    --bg-dark:  #0a1f05;
    --text:     #1a2e1a;
    --text-sec: #5a6b5a;
    --accent:   #2d5016;
    --accent-l: #4a7c2c;
    --accent-bg: rgba(45, 80, 22, 0.08);
    --border:   #d4e5d4;
    --radius:   12px;
    --shadow:   0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
    --shadow-lg:0 4px 24px rgba(0,0,0,.08);
    --shadow-xl:0 8px 32px rgba(0,0,0,.12);
    --transition: .3s cubic-bezier(.4,0,.2,1);
    --green-light: #6b9d4a;
    --green-dark: #1a3d0a;
    --orange: #ff6b35;
    --red: #dc2626;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ========== Typography ========== */
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { color: var(--text-sec); font-size: 1.05rem; }

.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-l), var(--green-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: var(--accent-bg);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.section-header-b { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-header-b h2 { margin-bottom: 12px; }
.section-header-b p { margin-top: 8px; }
.section-desc-b { font-size: 1rem; color: var(--text-sec); margin-top: 8px; }

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    padding: 12px 28px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; text-align: center; }
.btn-full { width: 100%; text-align: center; }

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.btn-primary:hover { background: var(--accent-l); border-color: var(--accent-l); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-primary:active { transform: translateY(0) scale(0.98); box-shadow: var(--shadow); }
.btn-primary:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.btn-zalo {
    background: #0068ff;
    color: #fff;
    border-color: #0068ff;
    transition: background 0.15s, transform 0.1s;
}
.btn-zalo:hover { background: #0058d6; transform: translateY(-1px); }
.btn-zalo:active { transform: translateY(0) scale(0.98); }

@keyframes btnPulse {
    0% { box-shadow: 0 0 0 0 rgba(45, 80, 22, 0.4); }
    70% { box-shadow: 0 0 0 12px rgba(45, 80, 22, 0); }
    100% { box-shadow: 0 0 0 0 rgba(45, 80, 22, 0); }
}
.btn-pulse { animation: btnPulse 2s infinite; }

/* ========== Navbar B ========== */
.navbar-b {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.navbar-b.scrolled { box-shadow: var(--shadow); }
.navbar-b .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.logo { display: flex; align-items: center; }
.logo-img { height: 40px; width: auto; }

/* ========== Hero B ========== */
.hero-b {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f7f9f5 0%, #e8f5e8 50%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero-grid-b {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-badge-row-b {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.hero-badge-b {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--bg);
    color: var(--text);
    padding: 6px 16px;
    border-radius: 100px;
    border: 1px solid var(--border);
}

.hero-badge-b.green {
    background: var(--accent-bg);
    color: var(--accent);
    border-color: var(--accent);
}

.hero-content-b h1 { margin-bottom: 20px; }
.hero-sub-b { font-size: 1.1rem; margin-bottom: 28px; max-width: 520px; }

.hero-trust-b {
    display: flex;
    gap: 24px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.trust-stat-b {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.trust-num-b {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

.trust-label-b {
    font-size: 0.8rem;
    color: var(--text-sec);
}

.trust-divider-b {
    width: 1px;
    background: var(--border);
}

.hero-badges-b {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.mini-badge-b {
    font-size: 0.8rem;
    color: var(--text-sec);
    background: var(--bg);
    padding: 6px 12px;
    border-radius: 100px;
    border: 1px solid var(--border);
}

/* Hero Visual */
.hero-visual-b {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-img-wrapper-b {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.hero-product-img-b {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(45, 80, 22, 0.15));
    border-radius: var(--radius);
}

.hero-float-card-b {
    position: absolute;
    background: var(--bg);
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
    text-align: center;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.hero-float-card-b.free {
    top: 20px;
    right: -20px;
    background: var(--accent);
    color: #fff;
}

.free-num-b {
    font-size: 1.3rem;
    font-weight: 800;
    display: block;
}

.free-text-b {
    font-size: 0.8rem;
    opacity: 0.9;
}

/* ========== Trust Bar B ========== */
.trust-bar-b {
    background: var(--bg-alt);
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}

.trust-bar-content { text-align: center; }

.trust-bar-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-sec);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.trust-logos-b {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-logo-b {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.trust-logo-icon { font-size: 1.5rem; }
.trust-logo-text { font-size: 0.75rem; font-weight: 600; color: var(--text-sec); }

/* ========== Quiz Section B ========== */
.quiz-section-b {
    padding: 80px 0;
    background: linear-gradient(135deg, #f7f9f5 0%, #ffffff 50%, #e8f5e8 100%);
}

.quiz-container-b {
    max-width: 640px;
    margin: 0 auto;
    background: var(--bg);
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}

.quiz-progress-b {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    margin-bottom: 24px;
    overflow: hidden;
}

.quiz-progress-bar-b {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-l));
    border-radius: 3px;
    transition: width 0.4s ease;
}

.quiz-question-b {
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.2rem;
    color: var(--text);
}

.quiz-options-b {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quiz-option-b {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text);
}

.quiz-option-b:hover {
    border-color: var(--accent);
    background: var(--accent-bg);
    transform: translateX(4px);
}

.quiz-option-b:active {
    transform: translateX(2px) scale(0.99);
}

.quiz-option-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.quiz-option-text {
    font-weight: 500;
}

.quiz-option-b.active {
    border-color: var(--accent);
    background: var(--accent-bg);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* Quiz Loading */
.quiz-loading-b {
    text-align: center;
    padding: 40px 20px;
}

.quiz-spinner-b {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.quiz-loading-b h3 {
    margin-bottom: 8px;
    color: var(--text);
}

.quiz-loading-b p {
    color: var(--text-sec);
    font-size: 0.9rem;
}

/* Quiz Result */
.quiz-result-b {
    text-align: center;
}

.quiz-result-header-b {
    margin-bottom: 24px;
}

.quiz-result-badge-b {
    display: inline-block;
    background: var(--accent-bg);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.quiz-result-header-b h3 {
    font-size: 1.4rem;
    color: var(--text);
}

.quiz-result-content-b {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    text-align: left;
}

.quiz-result-content-b p {
    color: var(--text);
    font-size: 0.95rem;
    margin-bottom: 8px;
    line-height: 1.7;
}

.quiz-result-cta-b {
    margin-top: 8px;
}

.quiz-result-cta-text {
    font-size: 1rem;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 16px;
}

.quiz-result-note-b {
    font-size: 0.8rem;
    color: var(--text-sec);
    margin-top: 12px;
}

/* Quiz Result Dynamic Content */
.result-summary-b {
    margin-bottom: 16px;
}

.result-summary-b p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 8px;
}

.severity-tag-b {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
}

.severity-tag-b.nặng {
    background: #fef2f2;
    color: #dc2626;
}

.severity-tag-b.trung-bình {
    background: #fffbeb;
    color: #d97706;
}

.severity-tag-b.nhẹ {
    background: #ecfdf5;
    color: #059669;
}

.result-urgent-b {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.9rem;
    color: #92400e;
    margin-bottom: 16px;
    font-weight: 500;
}

.result-routine-b {
    margin-bottom: 16px;
}

.result-routine-b h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.routine-time-b {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 100px;
    margin: 12px 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.routine-steps-b {
    list-style: none;
    padding: 0;
    margin: 0 0 8px 0;
}

.routine-steps-b li {
    position: relative;
    padding-left: 20px;
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 4px;
}

.routine-steps-b li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

.result-products-b h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.result-product-grid-b {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.result-product-card-b {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    transition: var(--transition);
}

.result-product-card-b:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.result-product-card-b strong {
    display: block;
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 4px;
}

.result-product-card-b p {
    font-size: 0.85rem;
    color: var(--text-sec);
    line-height: 1.5;
    margin: 0;
}

/* ========== Problem → Solution B ========== */
.problem-solution-b {
    padding: 80px 0;
    background: var(--bg);
}

.ps-grid-b {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.ps-card-b {
    border-radius: 12px;
    padding: 28px;
    border: 1px solid var(--border);
}

.ps-others-b {
    background: #fef2f2;
    border-color: #fecaca;
}

.ps-greenskin-b {
    background: var(--accent-bg);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.ps-header-b h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.ps-list-b {
    list-style: none;
    padding: 0;
}

.ps-list-b li {
    font-size: 0.9rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text);
}

.ps-list-b li:last-child { border-bottom: none; }

/* ========== Before/After B ========== */
.before-after-b {
    padding: 80px 0;
    background: var(--bg-alt);
}

.before-after-grid-b {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.before-after-card-b {
    background: var(--bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.before-after-card-b:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.before-after-card-b img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.before-after-info-b {
    padding: 16px;
}

.before-after-info-b h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.before-after-info-b p {
    font-size: 0.85rem;
    color: var(--text-sec);
    font-style: italic;
}

/* ========== Reviews B ========== */
.reviews-b {
    padding: 80px 0;
    background: var(--bg);
}

.reviews-grid-b {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card-b {
    background: var(--bg);
    border-radius: 12px;
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.review-header-b {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.review-author-b {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar-b {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-bg);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.review-author-b strong { display: block; font-size: 0.9rem; }
.review-author-b span { font-size: 0.8rem; color: var(--text-sec); }

.review-stars-b { color: #f59e0b; font-size: 1rem; letter-spacing: 2px; }

.review-card-b > p {
    font-size: 0.9rem;
    margin-bottom: 12px;
    color: var(--text);
    font-style: italic;
}

.review-verified-b {
    font-size: 0.75rem;
    color: var(--green-light);
    font-weight: 600;
}

/* ========== FAQ B ========== */
.faq-b {
    padding: 80px 0;
    background: var(--bg-alt);
}

.faq-list-b {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item-b {
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.faq-question-b {
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    transition: background 0.15s;
}

.faq-question-b::-webkit-details-marker { display: none; }
.faq-question-b:hover { background: var(--bg-alt); }

.faq-answer-b {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--text-sec);
    line-height: 1.7;
}

/* ========== Contact Form Section B ========== */
.contact-form-b {
    padding: 80px 0;
    background: linear-gradient(135deg, #f7f9f5 0%, #e8f5e8 50%, #ffffff 100%);
}

.contact-form-box-b {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form-content-b {
    text-align: center;
}

.contact-form-desc-b {
    font-size: 1.05rem;
    color: var(--text-sec);
    margin-bottom: 32px;
}

.contact-form-element-b {
    background: var(--bg);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    margin-bottom: 20px;
}

.contact-form-fields-b {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-field-b {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-field-b label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    text-align: left;
}

.form-field-b input {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.15s;
}

.form-field-b input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.contact-form-trust-b {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 16px 0;
    font-size: 0.8rem;
    color: var(--text-sec);
}

.contact-form-divider-b {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
    font-size: 0.85rem;
    color: var(--text-sec);
}

.contact-form-divider-b::before,
.contact-form-divider-b::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.contact-form-social-proof-b {
    margin-top: 20px;
    display: flex;
    justify-content: center;
}

.recent-submission-b {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-alt);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.recent-avatar-b {
    font-size: 1.5rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    border-radius: 50%;
}

.recent-info-b {
    display: flex;
    flex-direction: column;
}

.recent-info-b strong {
    font-size: 0.8rem;
    color: var(--text);
}

.recent-info-b span {
    font-size: 0.7rem;
    color: var(--text-sec);
}

/* Status messages */
.status {
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 12px;
    font-size: 0.9rem;
    text-align: center;
}

.status.success {
    background: var(--accent-bg);
    color: var(--accent);
    border: 1px solid var(--accent);
}

.status.error {
    background: #fef2f2;
    color: var(--red);
    border: 1px solid var(--red);
}

/* ========== Footer B ========== */
.footer-b {
    padding: 60px 0 0;
    background: var(--bg-dark);
    color: #fff;
}

.footer-inner-b {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-logo-b { height: 48px; width: auto; margin-bottom: 12px; }
.footer-brand-b p { color: rgba(255, 255, 255, 0.7); font-size: 0.95rem; margin-bottom: 16px; }

.footer-certifications-b { display: flex; gap: 8px; }

.cert-badge-b {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-contact-b h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }

.footer-contact-b a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: color 0.15s;
}

.footer-contact-b a:hover { color: #fff; }

.footer-bottom-b {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom-b p { color: rgba(255, 255, 255, 0.5); font-size: 0.85rem; }

/* ========== Floating CTA ========== */
.floating-cta {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    background: #0068ff;
    color: #fff;
    border-radius: 50px;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(0, 104, 255, 0.3);
    transition: var(--transition);
    font-weight: 600;
    font-size: 0.95rem;
}

.floating-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0, 104, 255, 0.4); }
.floating-cta:active { transform: translateY(0) scale(0.98); }
.floating-icon { font-size: 1.2rem; }

/* ========== Fade-in animations ========== */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Responsive: Tablet ========== */
@media (max-width: 900px) {
    .hero-grid-b {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual-b { order: -1; }
    .hero-img-wrapper-b { max-width: 350px; margin: 0 auto; }

    .before-after-grid-b {
        grid-template-columns: 1fr 1fr;
    }

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

/* ========== Responsive: Mobile ========== */
@media (max-width: 768px) {
    .container { padding: 0 16px; }

    .hero-b { padding: 100px 0 60px; }

    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }

    .hero-grid-b { gap: 32px; }

    .hero-trust-b { gap: 16px; justify-content: center; }

    .before-after-grid-b,
    .reviews-grid-b {
        grid-template-columns: 1fr;
    }

    .before-after-card-b img { height: 220px; }

    .footer-inner-b { grid-template-columns: 1fr; gap: 32px; }

    .floating-cta { bottom: 16px; right: 16px; padding: 12px 20px; font-size: 0.9rem; }

    .btn-lg { padding: 14px 24px; font-size: 0.95rem; }

    .ps-grid-b { grid-template-columns: 1fr; }

    .contact-form-fields-b { grid-template-columns: 1fr; }

    .quiz-container-b { padding: 24px 16px; }

    .trust-logos-b { gap: 16px; }

    .hero-float-card-b { display: none; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.3rem; }

    .hero-b { padding: 90px 0 48px; }

    .hero-badge-row-b { gap: 8px; }
    .hero-badge-b { font-size: 0.7rem; padding: 4px 12px; }

    .hero-trust-b { gap: 12px; }
    .trust-num-b { font-size: 1.3rem; }
    .trust-label-b { font-size: 0.75rem; }

    .review-header-b { flex-direction: column; gap: 12px; }

    .floating-cta { padding: 10px 16px; font-size: 0.85rem; }
    .floating-icon { font-size: 1rem; }

    .problem-solution-b { padding: 60px 0; }
    .ps-card-b { padding: 20px; }

    .faq-question-b { padding: 16px 20px; }
    .faq-answer-b { padding: 0 20px 16px; }

    .contact-form-b { padding: 60px 0; }
    .contact-form-element-b { padding: 24px 16px; }
}