:root {
    --bg: #ffffff;
    --bg-soft: #f4f8ff;
    --surface: rgba(255, 255, 255, 0.82);
    --text: #0c1424;
    --muted: #5f6f86;
    --primary: #0574ff;
    --primary-dark: #035bd0;
    --primary-soft: #e9f3ff;
    --accent: #00b8ff;
    --border: #dce8f7;
    --shadow: 0 24px 70px rgba(5, 116, 255, 0.16);
    --shadow-soft: 0 16px 44px rgba(15, 35, 70, 0.10);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.top-alert {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 10px 16px;
    background: linear-gradient(90deg, #071d46, #0574ff);
    color: #fff;
    font-size: 14px;
}

.top-alert span {
    opacity: .85;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(220, 232, 247, .82);
}

.header-content {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-weight: 900;
    box-shadow: 0 12px 28px rgba(5, 116, 255, .28);
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 18px;
    line-height: 1.1;
}

.brand small {
    color: var(--muted);
    font-size: 12px;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 26px;
    color: #334259;
    font-size: 14px;
    font-weight: 700;
}

.desktop-nav a {
    position: relative;
    transition: color .2s ease, transform .2s ease;
}

.desktop-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    border-radius: 10px;
    background: var(--primary);
    transition: width .2s ease;
}

.desktop-nav a:hover {
    color: var(--primary);
    transform: translateY(-1px);
}

.desktop-nav a:hover::after {
    width: 100%;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 0;
    border-radius: 999px;
    padding: 15px 24px;
    font-weight: 900;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 16px 34px rgba(5, 116, 255, .34);
}

.btn-primary:hover {
    box-shadow: 0 20px 44px rgba(5, 116, 255, .44);
}

.btn-secondary {
    color: var(--primary-dark);
    background: var(--primary-soft);
    border: 1px solid rgba(5, 116, 255, .16);
}

.btn-small {
    padding: 11px 18px;
    color: #fff;
    background: var(--text);
    font-size: 14px;
}

.btn-full {
    width: 100%;
}

.section-light {
    background:
        radial-gradient(circle at 82% 12%, rgba(0, 184, 255, .16), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.hero {
    padding: 74px 0 62px;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 0.88fr 1.12fr;
    align-items: center;
    gap: 48px;
}

.eyebrow,
.section-kicker,
.section-title span,
.final-cta span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-dark);
    font-weight: 900;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.eyebrow span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #19d47b;
    box-shadow: 0 0 0 8px rgba(25, 212, 123, .13);
}

.hero h1 {
    margin-top: 20px;
    font-size: clamp(42px, 5vw, 74px);
    line-height: .98;
    letter-spacing: -0.06em;
}

.hero h1 strong {
    color: var(--primary);
}

.hero-description {
    margin-top: 24px;
    max-width: 570px;
    color: var(--muted);
    font-size: 19px;
}

.hero-price-card {
    margin-top: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    max-width: 600px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, .76);
    box-shadow: var(--shadow-soft);
}

.price-label {
    display: block;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.price {
    margin: 3px 0;
    color: var(--primary);
    font-size: clamp(38px, 5vw, 58px);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.06em;
}

.hero-price-card small,
.offer-box small {
    color: var(--muted);
}

.discount-box {
    min-width: 112px;
    min-height: 112px;
    display: grid;
    place-items: center;
    text-align: center;
    border-radius: 28px;
    background: linear-gradient(135deg, #071d46, #0574ff);
    color: #fff;
}

.discount-box strong,
.discount-box span {
    display: block;
}

.discount-box strong {
    font-size: 34px;
    line-height: 1;
}

.discount-box span {
    margin-top: -22px;
    font-size: 12px;
    opacity: .8;
}

.hero-actions {
    margin-top: 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.trust-row {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.trust-row span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border-radius: 999px;
    background: #fff;
    color: #334259;
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 800;
}

.trust-row span::before {
    content: '✓';
    color: #19b76a;
    font-weight: 900;
}

.hero-visual {
    position: relative;
}

.image-card {
    position: relative;
    padding: 10px;
    border-radius: 34px;
    background: linear-gradient(135deg, rgba(5, 116, 255, .24), rgba(255,255,255,.9));
    box-shadow: var(--shadow);
}

.image-card img {
    width: 100%;
    border-radius: 26px;
    box-shadow: 0 16px 44px rgba(15, 35, 70, .18);
}

.floating-card {
    position: absolute;
    max-width: 190px;
    padding: 16px 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, .9);
    box-shadow: 0 16px 40px rgba(15, 35, 70, .14);
}

.floating-card strong,
.floating-card span {
    display: block;
}

.floating-card span {
    color: var(--muted);
    font-size: 13px;
}

.floating-card-one {
    right: 24px;
    top: 24px;
}

.floating-card-two {
    left: -8px;
    bottom: 24px;
}

.stats-strip {
    background: #071d46;
    color: #fff;
    padding: 24px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.stats-grid div {
    padding: 4px 18px;
    border-left: 1px solid rgba(255,255,255,.14);
}

.stats-grid strong,
.stats-grid span {
    display: block;
}

.stats-grid strong {
    color: #80d9ff;
    font-size: 28px;
    line-height: 1;
}

.stats-grid span {
    margin-top: 7px;
    opacity: .78;
    font-size: 13px;
}

.section {
    padding: 86px 0;
}

.section-soft {
    background: var(--bg-soft);
}

.section-title {
    max-width: 720px;
    margin: 0 auto 38px;
    text-align: center;
}

.section-title h2,
.split-copy h2,
.faq-layout h2,
.product-showcase h2,
.final-cta h2 {
    margin-top: 12px;
    font-size: clamp(32px, 4vw, 50px);
    line-height: 1.06;
    letter-spacing: -0.05em;
}

.section-title p,
.split-copy p,
.faq-layout p,
.product-showcase p,
.final-cta p {
    margin-top: 16px;
    color: var(--muted);
    font-size: 17px;
}

.cards-grid {
    display: grid;
    gap: 20px;
}

.benefits-grid {
    grid-template-columns: repeat(4, 1fr);
}

.feature-card,
.testimonial-card,
.offer-box,
.faq-list details {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.feature-card {
    padding: 24px;
    transition: transform .2s ease, box-shadow .2s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 900;
}

.feature-card h3 {
    margin-top: 18px;
    font-size: 20px;
    letter-spacing: -0.03em;
}

.feature-card p,
.testimonial-card p {
    margin-top: 10px;
    color: var(--muted);
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 430px;
    gap: 34px;
    align-items: center;
}

.check-list {
    margin-top: 24px;
    list-style: none;
    display: grid;
    gap: 12px;
}

.check-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: #26364f;
    font-weight: 700;
}

.check-list li::before {
    content: '✓';
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #daf8e8;
    color: #11a85b;
    font-weight: 900;
}

.offer-box {
    padding: 28px;
    position: relative;
    overflow: hidden;
}

.offer-box::before {
    content: '';
    position: absolute;
    width: 210px;
    height: 210px;
    right: -80px;
    top: -90px;
    background: rgba(5, 116, 255, .12);
    border-radius: 50%;
}

.offer-tag {
    position: relative;
    z-index: 1;
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    background: #e9fdf3;
    color: #11a85b;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.offer-box h3 {
    margin-top: 18px;
    font-size: 34px;
    letter-spacing: -0.05em;
}

.offer-box p {
    margin-top: 8px;
    color: var(--muted);
}

.offer-price {
    margin-top: 20px;
    color: var(--primary);
    font-size: 52px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: -0.06em;
}

.countdown {
    margin: 24px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.countdown div {
    padding: 14px 8px;
    text-align: center;
    border-radius: 16px;
    background: var(--primary-soft);
}

.countdown strong,
.countdown span {
    display: block;
}

.countdown strong {
    color: var(--primary-dark);
    font-size: 24px;
    line-height: 1;
}

.countdown span {
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.product-showcase {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 44px;
    align-items: center;
}

.product-showcase img {
    border-radius: 30px;
    box-shadow: var(--shadow);
}

.mini-grid {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.mini-grid span {
    padding: 14px;
    border-radius: 16px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 900;
    text-align: center;
}

.testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
}

.testimonial-card {
    padding: 26px;
}

.stars {
    color: #ffb300;
    font-size: 18px;
    letter-spacing: 2px;
}

.testimonial-card strong {
    display: block;
    margin-top: 16px;
}

.faq-layout {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 44px;
    align-items: start;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-list details {
    padding: 20px 22px;
}

.faq-list summary {
    cursor: pointer;
    font-weight: 900;
    list-style: none;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list p {
    margin-top: 12px;
    color: var(--muted);
}

.final-cta {
    padding: 78px 0;
    background:
        radial-gradient(circle at 82% 24%, rgba(0, 184, 255, .2), transparent 34%),
        linear-gradient(135deg, #071d46, #082c68);
    color: #fff;
}

.final-cta-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.final-cta p {
    color: rgba(255,255,255,.75);
}

.final-cta span {
    color: #80d9ff;
}

.site-footer {
    padding: 24px 0;
    background: #041026;
    color: rgba(255,255,255,.72);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 14px;
}

.footer-content a {
    color: #80d9ff;
    font-weight: 800;
}

.mobile-sticky-cta {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 80;
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px;
    border-radius: 20px;
    background: rgba(7, 29, 70, .92);
    color: #fff;
    backdrop-filter: blur(18px);
    box-shadow: 0 18px 42px rgba(4, 16, 38, .32);
}

.mobile-sticky-cta span,
.mobile-sticky-cta strong {
    display: block;
}

.mobile-sticky-cta span {
    font-size: 12px;
    opacity: .76;
}

.mobile-sticky-cta strong {
    font-size: 18px;
}

.mobile-sticky-cta a {
    padding: 12px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    font-weight: 900;
}

@media (max-width: 1020px) {
    .desktop-nav {
        display: none;
    }

    .hero-grid,
    .split-grid,
    .product-showcase,
    .faq-layout {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 680px) {
    .container {
        width: min(100% - 24px, 1180px);
    }

    .top-alert {
        flex-direction: column;
        align-items: center;
        gap: 2px;
        font-size: 12px;
        text-align: center;
    }

    .header-content {
        min-height: 70px;
    }

    .header-content .btn-small {
        display: none;
    }

    .hero {
        padding: 42px 0 44px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-price-card {
        align-items: flex-start;
        flex-direction: column;
        padding: 18px;
    }

    .discount-box {
        min-width: 100%;
        min-height: 84px;
        display: flex;
        justify-content: center;
        gap: 10px;
    }

    .discount-box span {
        margin-top: 0;
        align-self: center;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .floating-card {
        display: none;
    }

    .stats-grid,
    .benefits-grid,
    .testimonials-grid,
    .mini-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 58px 0;
    }

    .section-title h2,
    .split-copy h2,
    .faq-layout h2,
    .product-showcase h2,
    .final-cta h2 {
        font-size: 32px;
    }

    .offer-price {
        font-size: 42px;
    }

    .final-cta-box,
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .final-cta-box .btn {
        width: 100%;
    }

    .site-footer {
        padding-bottom: 92px;
    }

    .mobile-sticky-cta {
        display: flex;
    }
}