/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.seronavikPulseCardioAxisBody {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #050607;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.seronavikPulseCardioAxisContainer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    display: block;
    object-fit: cover;
}

/* TYPOGRAPHY */
.seronavikPulseCardioAxisH1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 25px;
    font-weight: 800;
}

.seronavikPulseCardioAxisH2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.seronavikPulseCardioAxisH3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #5AF3FF;
}

.seronavikPulseCardioAxisNeonText {
    color: #5AF3FF;
    text-shadow: 0 0 10px rgba(90, 243, 255, 0.6);
}

.seronavikPulseCardioAxisSub {
    font-size: 1.1rem;
    color: #cccccc;
    margin-bottom: 20px;
}

/* HEADER */
.seronavikPulseCardioAxisHeader {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 6, 7, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(90, 243, 255, 0.3);
    box-shadow: 0 4px 15px rgba(90, 243, 255, 0.1);
}

.seronavikPulseCardioAxisHeaderFlex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.seronavikPulseCardioAxisLogo {
    font-size: 1.8rem;
    font-weight: 900;
    color: #5AF3FF;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.seronavikPulseCardioAxisNavList {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.seronavikPulseCardioAxisNavLink {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: 0.3s;
}

.seronavikPulseCardioAxisNavLink:hover {
    color: #5AF3FF;
    text-shadow: 0 0 5px #5AF3FF;
}

.seronavikPulseCardioAxisNavBtn {
    background: #5AF3FF;
    color: #050607;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
}

.seronavikPulseCardioAxisNavBtn:hover {
    background: #ffffff;
    box-shadow: 0 0 20px #5AF3FF;
}

/* BURGER MENU (No JS) */
.seronavikPulseCardioAxisMenuToggle {
    display: none;
}

.seronavikPulseCardioAxisBurger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.seronavikPulseCardioAxisBurger span {
    width: 30px;
    height: 3px;
    background: #5AF3FF;
    transition: 0.3s;
}

/* HERO */
.seronavikPulseCardioAxisHero {
    position: relative;
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.seronavikPulseCardioAxisGridDecoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    z-index: -1;
    overflow: hidden;
}

.seronavikPulseCardioAxisHeroContent {
    display: flex;
    gap: 60px;
    align-items: center;
}

.seronavikPulseCardioAxisHeroLeft, .seronavikPulseCardioAxisHeroRight {
    flex: 1;
}

.seronavikPulseCardioAxisHeroImageStack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.seronavikPulseCardioAxisHeroImgBlock {
    position: relative;
    border: 1px solid rgba(90, 243, 255, 0.2);
    overflow: hidden;
    transition: 0.4s;
}

.seronavikPulseCardioAxisHeroImgBlock:hover {
    border-color: #5AF3FF;
    transform: translateX(10px);
}

.seronavikPulseCardioAxisHeroImg {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: grayscale(0.5);
    transition: 0.4s;
}

.seronavikPulseCardioAxisHeroImgBlock:hover .seronavikPulseCardioAxisHeroImg {
    filter: grayscale(0);
}

.seronavikPulseCardioAxisHeroImgText {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(5, 6, 7, 0.8);
    padding: 10px;
    font-size: 0.85rem;
    color: #5AF3FF;
}

.seronavikPulseCardioAxisMainBtn {
    display: inline-block;
    padding: 18px 40px;
    background: #5AF3FF;
    color: #050607;
    text-decoration: none;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 30px;
    border-radius: 4px;
    transition: 0.3s;
    box-shadow: 0 0 10px rgba(90, 243, 255, 0.4);
}

.seronavikPulseCardioAxisMainBtn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px #5AF3FF;
    background: #ffffff;
}

/* REVIEWS SLIDER (No JS) */
.seronavikPulseCardioAxisReviews {
    padding: 100px 0;
    background: rgba(90, 243, 255, 0.02);
}

.seronavikPulseCardioAxisSliderWrapper {
    position: relative;
    overflow: hidden;
    margin-top: 50px;
}

.seronavikPulseCardioAxisSlides {
    display: flex;
    transition: transform 0.6s ease;
    width: 300%;
}

.seronavikPulseCardioAxisSlideItem {
    width: 33.333%;
    padding: 0 15px;
}

.seronavikPulseCardioAxisReviewCard {
    background: #0d0f11;
    border: 1px solid rgba(90, 243, 255, 0.2);
    padding: 40px;
    border-radius: 8px;
    position: relative;
}

.seronavikPulseCardioAxisReviewText {
    font-size: 1.2rem;
    font-style: italic;
    color: #eeeeee;
    margin-bottom: 25px;
}

.seronavikPulseCardioAxisReviewAuthor {
    color: #5AF3FF;
    font-weight: 700;
    display: block;
}

.seronavikPulseCardioAxisSliderDot {
    display: none;
}

#seronavikSlide1:checked ~ .seronavikPulseCardioAxisSlides { transform: translateX(0%); }
#seronavikSlide2:checked ~ .seronavikPulseCardioAxisSlides { transform: translateX(-33.333%); }
#seronavikSlide3:checked ~ .seronavikPulseCardioAxisSlides { transform: translateX(-66.666%); }

.seronavikPulseCardioAxisSliderControls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.seronavikPulseCardioAxisSliderLabel {
    width: 12px;
    height: 12px;
    background: rgba(90, 243, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: 0.3s;
}

#seronavikSlide1:checked ~ .seronavikPulseCardioAxisSliderControls label:nth-child(1),
#seronavikSlide2:checked ~ .seronavikPulseCardioAxisSliderControls label:nth-child(2),
#seronavikSlide3:checked ~ .seronavikPulseCardioAxisSliderControls label:nth-child(3) {
    background: #5AF3FF;
    box-shadow: 0 0 10px #5AF3FF;
    transform: scale(1.2);
}

/* AUDIENCE */
.seronavikPulseCardioAxisAudience {
    padding: 100px 0;
}

.seronavikPulseCardioAxisSectionHeader {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.seronavikPulseCardioAxisAudienceGrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.seronavikPulseCardioAxisAudienceItem {
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: linear-gradient(145deg, #0a0c0e, #050607);
    transition: 0.4s;
    position: relative;
    overflow: hidden;
}

.seronavikPulseCardioAxisAudienceItem::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 0;
    background: #5AF3FF;
    transition: 0.4s;
}

.seronavikPulseCardioAxisAudienceItem:hover::before {
    height: 100%;
}

.seronavikPulseCardioAxisAudienceItem:hover {
    border-color: rgba(90, 243, 255, 0.3);
    transform: translateY(-10px);
}

.seronavikPulseCardioAxisAudienceIcon {
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(90, 243, 255, 0.1);
    margin-bottom: 10px;
}

/* PRICING */
.seronavikPulseCardioAxisPricing {
    padding: 100px 0;
    background: #050607;
}

.seronavikPulseCardioAxisPriceWrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 50px;
    justify-content: center;
}

.seronavikPulseCardioAxisPriceCard {
    flex: 1 1 300px;
    max-width: 350px;
    border: 1px solid rgba(90, 243, 255, 0.2);
    padding: 40px;
    display: flex;
    flex-direction: column;
    background: #080a0c;
    transition: 0.4s;
}

.seronavikPulseCardioAxisPriceCard:hover {
    border-color: #5AF3FF;
    box-shadow: 0 0 20px rgba(90, 243, 255, 0.1);
}

.seronavikPulseCardioAxisFeaturedCard {
    border: 2px solid #5AF3FF;
    transform: scale(1.05);
    position: relative;
    background: #0a0d10;
}

.seronavikPulseCardioAxisBadge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #5AF3FF;
    color: #050607;
    padding: 5px 15px;
    font-size: 0.8rem;
    font-weight: 800;
    border-radius: 20px;
}

.seronavikPulseCardioAxisPriceTitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
}

.seronavikPulseCardioAxisPriceValue {
    text-align: center;
    margin-bottom: 30px;
}

.seronavikPulseCardioAxisOldPrice {
    text-decoration: line-through;
    color: #666;
    margin-right: 10px;
}

.seronavikPulseCardioAxisNewPrice {
    font-size: 2rem;
    color: #5AF3FF;
    font-weight: 800;
}

.seronavikPulseCardioAxisPriceList {
    list-style: none;
    margin-bottom: 30px;
    flex-grow: 1;
}

.seronavikPulseCardioAxisPriceList li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.95rem;
}

.seronavikPulseCardioAxisPriceBtn {
    display: block;
    text-align: center;
    padding: 15px;
    border: 1px solid #5AF3FF;
    color: #5AF3FF;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
}

.seronavikPulseCardioAxisBtnPrimary {
    background: #5AF3FF;
    color: #050607;
}

.seronavikPulseCardioAxisPriceBtn:hover {
    background: #ffffff;
    color: #050607;
    border-color: #ffffff;
}

/* EXPERT */
.seronavikPulseCardioAxisExpert {
    padding: 100px 0;
    background: linear-gradient(to right, #050607, #0a0d10);
}

.seronavikPulseCardioAxisExpertQuote {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.seronavikPulseCardioAxisQuoteIcon {
    font-size: 8rem;
    color: rgba(90, 243, 255, 0.1);
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    line-height: 1;
}

.seronavikPulseCardioAxisQuoteText {
    font-size: 1.6rem;
    line-height: 1.4;
    color: #ffffff;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.seronavikPulseCardioAxisExpertInfo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.seronavikPulseCardioAxisExpertAvatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid #5AF3FF;
}

.seronavikPulseCardioAxisExpertName {
    font-size: 1.2rem;
    font-weight: 800;
    color: #5AF3FF;
    display: block;
}

.seronavikPulseCardioAxisExpertTitle {
    font-size: 0.9rem;
    color: #888;
}

/* BENEFITS */
.seronavikPulseCardioAxisBenefits {
    padding: 100px 0;
}

.seronavikPulseCardioAxisBenefitsGrid {
    display: flex;
    gap: 60px;
    align-items: center;
}

.seronavikPulseCardioAxisBenefitsLeft, .seronavikPulseCardioAxisBenefitsRight {
    flex: 1;
}

.seronavikPulseCardioAxisBenefitsList {
    list-style: none;
    margin-top: 30px;
}

.seronavikPulseCardioAxisBenefitsList li {
    margin-bottom: 25px;
    padding-left: 30px;
    position: relative;
}

.seronavikPulseCardioAxisBenefitsList li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #5AF3FF;
    font-weight: 900;
}

.seronavikPulseCardioAxisBenefitImg {
    border-radius: 4px;
    box-shadow: 20px 20px 0 rgba(90, 243, 255, 0.1);
}

/* EXTRA TEXT SECTIONS */
.seronavikPulseCardioAxisExtraText {
    padding: 80px 0;
}

.seronavikPulseCardioAxisBgAlt {
    background: rgba(90, 243, 255, 0.03);
}

.seronavikPulseCardioAxisTextBlock p {
    margin-bottom: 20px;
    color: #bbb;
    font-size: 1.05rem;
}

.seronavikPulseCardioAxisCustomList {
    list-style: none;
    margin-top: 20px;
}

.seronavikPulseCardioAxisCustomList li {
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 10px;
    border-left: 3px solid #5AF3FF;
}

/* FAQ */
.seronavikPulseCardioAxisFaq {
    padding: 100px 0;
}

.seronavikPulseCardioAxisFaqList {
    max-width: 800px;
    margin: 0 auto;
}

.seronavikPulseCardioAxisFaqItem {
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: #080a0c;
}

.seronavikPulseCardioAxisFaqSummary {
    padding: 20px;
    cursor: pointer;
    font-weight: 700;
    color: #ffffff;
    list-style: none;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.seronavikPulseCardioAxisFaqSummary::after {
    content: '+';
    color: #5AF3FF;
    font-size: 1.5rem;
}

.seronavikPulseCardioAxisFaqItem[open] .seronavikPulseCardioAxisFaqSummary::after {
    content: '-';
}

.seronavikPulseCardioAxisFaqContent {
    padding: 0 20px 20px;
    color: #aaa;
    font-size: 0.95rem;
}

/* FORM */
.seronavikPulseCardioAxisFormSection {
    padding: 100px 0;
    background: linear-gradient(to bottom, #050607, #0a0d10);
}

.seronavikPulseCardioAxisFormWrapper {
    max-width: 700px;
    margin: 0 auto;
    background: #050607;
    padding: 60px;
    border: 1px solid rgba(90, 243, 255, 0.3);
    box-shadow: 0 0 40px rgba(90, 243, 255, 0.05);
}

.seronavikPulseCardioAxisForm {
    margin-top: 40px;
}

.seronavikPulseCardioAxisInputGroup {
    margin-bottom: 20px;
}

.seronavikPulseCardioAxisInput, .seronavikPulseCardioAxisTextarea {
    width: 100%;
    background: #0d1116;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px;
    color: #fff;
    font-family: inherit;
    outline: none;
    transition: 0.3s;
}

.seronavikPulseCardioAxisInput:focus, .seronavikPulseCardioAxisTextarea:focus {
    border-color: #5AF3FF;
    box-shadow: 0 0 10px rgba(90, 243, 255, 0.2);
}

.seronavikPulseCardioAxisTextarea {
    height: 150px;
    resize: vertical;
}

.seronavikPulseCardioAxisCheckboxGroup {
    margin-bottom: 30px;
}

.seronavikPulseCardioAxisCheckboxLabel {
    display: flex;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: #888;
}

.seronavikPulseCardioAxisCheckboxLabel a {
    color: #5AF3FF;
    text-decoration: none;
}

.seronavikPulseCardioAxisSubmitBtn {
    width: 100%;
    padding: 18px;
    background: #5AF3FF;
    color: #050607;
    border: none;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.3s;
}

.seronavikPulseCardioAxisSubmitBtn:hover {
    background: #ffffff;
    box-shadow: 0 0 20px #5AF3FF;
}

/* FOOTER */
.seronavikPulseCardioAxisFooter {
    padding: 80px 0 40px;
    background: #020304;
    border-top: 1px solid rgba(90, 243, 255, 0.1);
}

.seronavikPulseCardioAxisFooterTop {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 60px;
    flex-wrap: wrap;
    gap: 40px;
}

.seronavikPulseCardioAxisFooterContacts a {
    color: #5AF3FF;
    text-decoration: none;
}

.seronavikPulseCardioAxisFooterBottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.85rem;
    color: #666;
}

.seronavikPulseCardioAxisFooterNav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.seronavikPulseCardioAxisFooterNav a {
    color: #888;
    text-decoration: none;
    transition: 0.3s;
}

.seronavikPulseCardioAxisFooterNav a:hover {
    color: #5AF3FF;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .seronavikPulseCardioAxisHeroContent {
        flex-direction: column;
        text-align: center;
    }
    .seronavikPulseCardioAxisHeroLeft {
        order: 2;
    }
    .seronavikPulseCardioAxisBenefitsGrid {
        flex-direction: column;
    }
    .seronavikPulseCardioAxisFeaturedCard {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .seronavikPulseCardioAxisBurger {
        display: flex;
        z-index: 1001;
    }
    .seronavikPulseCardioAxisNav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: #050607;
        padding: 100px 40px;
        transition: 0.4s;
        border-left: 1px solid #5AF3FF;
    }
    .seronavikPulseCardioAxisNavList {
        flex-direction: column;
        align-items: flex-start;
    }
    .seronavikPulseCardioAxisMenuToggle:checked ~ .seronavikPulseCardioAxisNav {
        right: 0;
    }
    .seronavikPulseCardioAxisMenuToggle:checked ~ .seronavikPulseCardioAxisBurger span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    .seronavikPulseCardioAxisMenuToggle:checked ~ .seronavikPulseCardioAxisBurger span:nth-child(2) {
        opacity: 0;
    }
    .seronavikPulseCardioAxisMenuToggle:checked ~ .seronavikPulseCardioAxisBurger span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -7px);
    }
    .seronavikPulseCardioAxisFormWrapper {
        padding: 30px;
    }
}