/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #050A18;
    --primary-blue: #6AA9FF;
    --text-white: #FFFFFF;
    --text-gray: #A0B0C5;
    --card-bg: #0C1428;
    --neon-shadow: 0 0 15px rgba(106, 169, 255, 0.4);
    --border-color: rgba(106, 169, 255, 0.2);
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Header & Nav */
.XostraHeaderMain {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5, 10, 24, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 20px rgba(106, 169, 255, 0.1);
}

.XostraHeaderContainer {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.XostraLogoText {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-blue);
    letter-spacing: 1px;
    text-shadow: var(--neon-shadow);
}

.XostraMainNavLinks {
    display: flex;
    gap: 1.5rem;
}

.XostraNavLinkItem {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-gray);
}

.XostraNavLinkItem:hover {
    color: var(--primary-blue);
}

.XostraNavCheckbox {
    display: none;
}

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

.XostraBurgerBtn span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 2px;
}

/* Hero Section */
.XostraHeroSection {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.XostraQuickLinksTop {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.XostraQuickBtn {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-gray);
    background: rgba(106, 169, 255, 0.05);
}

.XostraQuickBtn:hover {
    background: var(--primary-blue);
    color: white;
}

.XostraHeroContainer {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.XostraHeroColumnLeft {
    flex: 1;
}

.XostraHeroImage {
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(106, 169, 255, 0.2);
}

.XostraHeroColumnRight {
    flex: 1.2;
}

.XostraHeroMainTitle {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, #fff, var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.XostraHeroSubTitle {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.XostraHeroDescription {
    font-size: 1.05rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.XostraBtnPrimary {
    display: inline-block;
    background-color: var(--primary-blue);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 6px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
}

.XostraBtnPrimary:hover {
    box-shadow: 0 0 20px var(--primary-blue);
    outline: 2px solid white;
}

/* Reviews */
.XostraReviewsBlock {
    padding: 6rem 2rem;
    background-color: rgba(10, 20, 45, 0.4);
}

.XostraSectionTitleWrap {
    text-align: center;
    margin-bottom: 4rem;
}

.XostraSectionTitle {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.XostraSectionSub {
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.XostraReviewsGrid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.XostraReviewCardItem {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
}

.XostraReviewCardItem::before {
    content: "“";
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 4rem;
    color: var(--primary-blue);
    opacity: 0.3;
}

.XostraReviewText {
    font-style: italic;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.XostraReviewAuthor {
    font-weight: 700;
    color: var(--primary-blue);
}

/* Pricing */
.XostraPricingSection {
    padding: 6rem 2rem;
}

.XostraPricingGrid {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.XostraPriceCard {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    flex: 1;
    min-width: 260px;
    max-width: 300px;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.XostraPriceFeatured {
    border-color: var(--primary-blue);
    transform: scale(1.05);
    box-shadow: var(--neon-shadow);
}

.XostraPriceTitle {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.XostraPriceVal {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 2rem;
}

.XostraPriceFeatures {
    text-align: left;
    margin-bottom: 2.5rem;
    flex-grow: 1;
}

.XostraPriceFeatures li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
    color: var(--text-gray);
}

.XostraBtnSecondary {
    display: inline-block;
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
}

.XostraBtnSecondary:hover {
    background: var(--primary-blue);
    color: white;
}

/* Who It Is For */
.XostraWhoSection {
    padding: 6rem 2rem;
    background: #080F21;
}

.XostraWhoContentInner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: center;
}

.XostraWhoTextPart {
    flex: 1.2;
}

.XostraWhoListItems li {
    margin-bottom: 1.2rem;
    padding-left: 2rem;
    position: relative;
}

.XostraWhoListItems li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.XostraWhoImagePart {
    flex: 1;
    text-align: center;
}

.XostraWhoVisual {
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 5px solid var(--card-bg);
}

.XostraWhoPricingPreview {
    font-size: 1.2rem;
    font-weight: 600;
}

.XostraAccentPrice {
    color: var(--primary-blue);
    text-transform: uppercase;
}

/* Expert Section */
.XostraExpertSection {
    padding: 8rem 2rem;
    background: linear-gradient(180deg, var(--bg-dark), #0C1428);
}

.XostraExpertContainer {
    max-width: 900px;
    margin: 0 auto;
}

.XostraExpertHeading {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.XostraExpertQuoteBlock {
    background: var(--card-bg);
    padding: 4rem;
    border-radius: 20px;
    border-left: 8px solid var(--primary-blue);
}

.XostraExpertQuote {
    font-size: 1.4rem;
    line-height: 1.8;
    color: var(--text-white);
    margin-bottom: 2rem;
}

.XostraExpertSign {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.XostraExpertAvatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.XostraExpertName {
    display: block;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--primary-blue);
}

.XostraExpertRole {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* Benefits */
.XostraBenefitsBlock {
    padding: 6rem 0;
}

.XostraBenefitsContainer {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.XostraBenefitsText {
    flex: 1;
    padding: 0 2rem;
}

.XostraBenefitsVisual {
    flex: 1;
}

.XostraFullImage {
    width: 100%;
    object-fit: cover;
}

.XostraBenefitsList {
    margin-top: 3rem;
}

.XostraBenefitItem {
    margin-bottom: 2.5rem;
}

.XostraBenefitItem h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

/* Extra Content Blocks */
.XostraExtraTextSection {
    padding: 6rem 2rem;
}

.XostraBgAlt {
    background-color: #080F21;
}

.XostraExtraContainer {
    max-width: 900px;
    margin: 0 auto;
}

.XostraExtraTitle {
    font-size: 2.2rem;
    margin-bottom: 2.5rem;
    text-align: center;
    color: var(--primary-blue);
}

.XostraExtraContentBody p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-gray);
}

.XostraCustomList {
    margin: 2rem 0;
    padding-left: 1.5rem;
}

.XostraCustomList li {
    margin-bottom: 1rem;
    list-style-type: square;
    color: var(--primary-blue);
}

/* FAQ */
.XostraFaqSection {
    padding: 6rem 2rem;
    background: #050A18;
}

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

.XostraFaqItem {
    background: var(--card-bg);
    margin-bottom: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.XostraFaqSummary {
    padding: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    position: relative;
    color: var(--primary-blue);
}

.XostraFaqSummary::after {
    content: "+";
    position: absolute;
    right: 1.5rem;
    font-size: 1.5rem;
}

.XostraFaqItem[open] .XostraFaqSummary::after {
    content: "-";
}

.XostraFaqContent {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-gray);
}

/* Form */
.XostraFormSection {
    padding: 6rem 2rem;
    background: linear-gradient(180deg, #0C1428, var(--bg-dark));
}

.XostraFormContainer {
    max-width: 700px;
    margin: 0 auto;
    background: #050A18;
    padding: 4rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.XostraFormHeader {
    text-align: center;
    margin-bottom: 3rem;
}

.XostraFormTitle {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.XostraFormLabel {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.XostraFormInput, .XostraFormTextarea {
    width: 100%;
    padding: 1rem;
    background: #0C1428;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: white;
    margin-bottom: 1.5rem;
    font-family: inherit;
}

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

.XostraFormCheckboxRow {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 2rem;
}

.XostraFormCheckbox {
    margin-top: 5px;
}

.XostraFormCheckLabel {
    font-size: 0.85rem;
    color: var(--text-gray);
}

.XostraFormCheckLabel a {
    color: var(--primary-blue);
    text-decoration: underline;
}

.XostraBtnWide {
    width: 100%;
}

/* Footer */
.XostraFooterMain {
    background: #02050D;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-color);
}

.XostraFooterContainer {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.XostraFooterTop {
    margin-bottom: 3rem;
}

.XostraFooterBrand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.XostraFooterContact {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.XostraFooterMid {
    margin-bottom: 2rem;
}

.XostraCopyright {
    font-size: 0.85rem;
    color: var(--text-gray);
}

.XostraFooterLinks {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.XostraFootLink {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.XostraFootLink:hover {
    color: var(--primary-blue);
}

/* Responsive */
@media (max-width: 992px) {
    .XostraHeroContainer, .XostraWhoContentInner, .XostraBenefitsContainer {
        flex-direction: column;
    }
    
    .XostraHeroColumnLeft, .XostraHeroColumnRight, .XostraWhoTextPart, .XostraWhoImagePart, .XostraBenefitsText, .XostraBenefitsVisual {
        width: 100%;
        text-align: center;
    }

    .XostraWhoListItems {
        text-align: left;
    }
    
    .XostraPriceCard {
        max-width: 45%;
    }
    
    .XostraHeroMainTitle {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .XostraBurgerBtn {
        display: flex;
    }

    .XostraMainNavLinks {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        display: none;
        border-bottom: 1px solid var(--border-color);
    }

    .XostraNavCheckbox:checked ~ .XostraMainNavLinks {
        display: flex;
    }

    .XostraPriceCard {
        max-width: 100%;
    }

    .XostraFormContainer {
        padding: 2rem;
    }

    .XostraExpertQuote {
        font-size: 1.1rem;
    }

    .XostraExpertQuoteBlock {
        padding: 2rem;
    }
}