.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    transition: background-color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.site-header.scrolled {
    background: rgba(5, 12, 24, 0.72);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(123, 227, 255, 0.08);
}

.site-header.nav-hidden {
    transform: translateY(-100%);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--nav-height);
    gap: 1rem;
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    font-family: var(--font-heading);
    font-weight: 700;
}

.brand-mark {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-grid;
    place-items: center;
    border-radius: 16px;
    color: var(--bg-primary);
    background: var(--gradient-accent);
    box-shadow: 0 16px 32px rgba(123, 227, 255, 0.28);
}

.brand-copy {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-menu a {
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
    color: var(--text-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.35rem;
}

.nav-toggle span {
    width: 1.55rem;
    height: 2px;
    border-radius: 999px;
    background: var(--text-primary);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 3.25rem;
    padding: 0.85rem 1.4rem;
    border-radius: 999px;
    font-weight: 700;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    color: var(--bg-primary);
    background: var(--gradient-accent);
    box-shadow: 0 20px 44px rgba(123, 227, 255, 0.2);
}

.button-secondary,
.button-ghost,
.button-small {
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.03);
}

.button-small {
    min-height: 2.6rem;
    padding-inline: 1.1rem;
}

.full-width {
    width: 100%;
}

.hero-actions,
.quiz-actions,
.slider-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-highlights,
.feature-list,
.footer-links,
.pulse-tags {
    display: grid;
    gap: 0.85rem;
}

.hero-highlights li,
.feature-list li,
.trust-items span,
.pulse-tags span {
    position: relative;
    color: var(--text-secondary);
}

.hero-highlights li,
.feature-list li {
    padding-left: 1.4rem;
}

.hero-highlights li::before,
.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 14px rgba(123, 227, 255, 0.45);
}

.metric-card,
.pulse-card,
.offer-countdown,
.result-card,
.checkout-card,
.narrative-card,
.video-card,
.faq-item,
.guarantee-box,
.quiz-shell,
.hero-card,
    display: flex;
    justify-content: center;
.offer-panel {
    padding: 1.6rem;
}

.metric-number,
.price-tag {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1;
}

.metric-number {
    font-size: clamp(2rem, 4vw, 3.4rem);
}

.metric-label,
.micro-copy,
.progress-group span,
.faq-answer p,
.price-tag span,
.pulse-title {
    color: var(--text-muted);
}

.pulse-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1rem;
}

.pulse-tags span,
.trust-items span {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(123, 227, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}

.progress-track {
    width: min(100%, 520px);
    height: 0.65rem;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
}

.progress-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--gradient-accent);
    transition: width 260ms ease;
}

.quiz-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    margin-bottom: 1.75rem;
}

.quiz-form {
    display: grid;
    gap: 1.6rem;
}

.quiz-question h3 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.quiz-options {
    display: grid;
    gap: 0.9rem;
}

.quiz-option {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.025);
    transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
}

.quiz-option:hover,
.quiz-option.selected {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    background: rgba(123, 227, 255, 0.08);
}

.quiz-option input {
    accent-color: var(--accent-primary);
    margin-top: 0.2rem;
}

.result-bars,
.faq-list {
    display: grid;
    gap: 1rem;
}

.result-bar {
    display: grid;
    gap: 0.6rem;
}

.result-bar-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    color: var(--text-secondary);
}

.result-bar-track {
    height: 0.85rem;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
}

.result-bar-fill {
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: var(--gradient-accent);
    transition: width 520ms ease;
}

.timeline-card,
.testimonial-card,
.symptom-card,
.wound-card,
.video-card,
.bonus-grid article {
    padding: 1.5rem;
}

.video-card {
    overflow: hidden;
    scroll-snap-align: start;
}

.tiktok-video-card {
    width: min(605px, calc(100vw - 2rem));
}

.wound-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.wound-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    padding: 0.75rem;
}

.wound-card h3,
.wound-card p {
    margin: 0;
}

.video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 16;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.video-frame iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.video-frame .tiktok-embed {
    margin: 0;
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
}

.tiktok-video-frame {
    aspect-ratio: 9 / 18;
    width: 60%;
    min-height: 552px;
}

.compact-video-frame {
    aspect-ratio: 9 / 14;
}

.timeline-card span {
    display: inline-flex;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
    color: var(--accent-primary);
}

.testimonial-slider {
    overflow: hidden;
}

.slider-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc(33.333% - 0.9rem);
    gap: 1.35rem;
    transition: transform 320ms ease;
}

.slider-button {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.05);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
    font-weight: 700;
}

.faq-question::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.payment-summary,
.payment-card,
.payment-price-panel {
    display: grid;
    gap: 1.2rem;
}

.payment-summary,
.payment-card {
    padding: 2rem;
}

.payment-price-panel {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(123, 227, 255, 0.1);
    background: linear-gradient(180deg, rgba(123, 227, 255, 0.08), rgba(255, 255, 255, 0.03));
}

.payment-price-label,
.payment-mini-label,
.payment-feedback,
.payment-security p {
    color: var(--text-muted);
}

.payment-price {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(2.6rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1;
}

.payment-price span {
    display: block;
    margin-top: 0.55rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.payment-method,
.card-brand-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(123, 227, 255, 0.14);
    background: rgba(255, 255, 255, 0.03);
}

.payment-method.active,
.card-brand-indicator[data-brand="visa"],
.card-brand-indicator[data-brand="mastercard"] {
    color: var(--bg-primary);
    background: var(--gradient-accent);
    border-color: transparent;
}

.payment-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.payment-card-top h3 {
    margin: 0.3rem 0 0;
}

.payment-form {
    display: grid;
    gap: 1rem;
}

.payment-field {
    display: grid;
    gap: 0.5rem;
}

.payment-field span {
    color: var(--text-secondary);
    font-weight: 600;
}

.payment-field input {
    min-height: 3.5rem;
    padding: 0.95rem 1rem;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.payment-field input::placeholder {
    color: rgba(192, 206, 230, 0.46);
}

.payment-field input:focus {
    outline: none;
    border-color: var(--border-strong);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(123, 227, 255, 0.12);
}

.payment-field-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.payment-security {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(123, 227, 255, 0.08);
}

.payment-security-dot {
    width: 0.75rem;
    height: 0.75rem;
    margin-top: 0.35rem;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--accent-tertiary);
    box-shadow: 0 0 18px rgba(95, 242, 198, 0.45);
}

.payment-security p,
.payment-feedback {
    margin: 0;
}

.payment-submit[disabled] {
    cursor: not-allowed;
    opacity: 0.55;
    box-shadow: none;
    transform: none;
}

.payment-submit:not([disabled]) {
    box-shadow: 0 18px 44px rgba(123, 227, 255, 0.25);
}

.faq-item {
    display: grid;
    gap: 0.85rem;
}

.faq-item.active .faq-question::after {
    content: "-";
}

.faq-answer {
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
    margin-top: 1rem;
}

.countdown div {
    padding: 0.9rem;
    border-radius: var(--radius-md);
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.countdown span,
.price-tag {
    display: block;
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.price-tag span {
    margin-top: 0.7rem;
    font-size: 1rem;
}

.avatar-orb {
    min-height: 340px;
    display: grid;
    place-items: center;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-size: 4rem;
    background: radial-gradient(circle at 30% 30%, rgba(123, 227, 255, 0.5), rgba(125, 140, 255, 0.2) 52%, rgba(7, 17, 31, 0.9));
}

.back-to-top {
    position: fixed;
    right: 1.2rem;
    bottom: 1.2rem;
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
    color: var(--bg-primary);
    background: var(--gradient-accent);
    box-shadow: 0 20px 40px rgba(123, 227, 255, 0.28);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
    z-index: 30;
}

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