:root {
    --navy: #000b4f;
    --navy-mid: #0a1a6b;
    --navy-dark: #0a0e2a;
    --purple: #4b49ac;
    --purple-dark: #3a3890;
    --green: #7dcea0;
    --green-dark: #62c489;
    --plan-teal: #1abc9c;
    --white: #ffffff;
    --text: #1f2d3d;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --surface: #f8fafc;
    --shadow: 0 20px 50px rgba(10, 14, 42, 0.12);
    --radius: 16px;
    --header-h: 76px;
    --font: 'Exo', system-ui, sans-serif;
    --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
}

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

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

ul { margin: 0; padding: 0; list-style: none; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    border: 2px solid transparent;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-sm { padding: 9px 16px; font-size: 0.85rem; }
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-primary {
    background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%);
    color: var(--white);
    box-shadow: 0 10px 24px rgba(75, 73, 172, 0.28);
}

.btn-buy {
    background: linear-gradient(135deg, var(--plan-teal) 0%, #15967d 100%);
    color: var(--white);
    box-shadow: 0 10px 24px rgba(26, 188, 156, 0.32);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.22);
}

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

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 100%);
    color: var(--white);
    flex-shrink: 0;
    box-shadow: 0 8px 18px rgba(0, 11, 79, 0.28);
}

.brand-icon { width: 28px; height: 28px; }

.brand-copy { display: flex; flex-direction: column; gap: 2px; }

.brand-title {
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--navy-dark);
}

.brand-tagline {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
    border-color: var(--border);
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 20px;
}

.site-nav { display: flex; align-items: center; gap: 8px; }

.site-nav a:not(.btn) {
    padding: 10px 12px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    border-radius: 8px;
}

.site-nav a:not(.btn):hover {
    color: var(--purple);
    background: rgba(75, 73, 172, 0.06);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    border-radius: 10px;
    background: var(--surface);
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: var(--navy-dark);
    border-radius: 2px;
}

.hero {
    position: relative;
    padding: calc(var(--header-h) + 56px) 0 80px;
    background: linear-gradient(145deg, var(--navy) 0%, var(--navy-mid) 55%, var(--navy-dark) 100%);
    color: var(--white);
    overflow: hidden;
}

.page-product .hero { padding-top: 48px; }

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 12% 18%, rgba(125, 206, 160, 0.18), transparent 28%),
        radial-gradient(circle at 88% 72%, rgba(75, 73, 172, 0.24), transparent 32%);
    pointer-events: none;
}

.hero-grid,
.product-hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1, .product-copy h1 {
    margin: 0 0 18px;
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    line-height: 1.08;
    font-weight: 800;
}

.hero-lead {
    margin: 0 0 28px;
    max-width: 560px;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.78);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.aff-banner {
    margin: 0;
    padding: calc(var(--header-h) + 10px) 20px 10px;
    background: #fff8e8;
    color: #8a5a00;
    text-align: center;
    font-size: 0.88rem;
    font-weight: 600;
}

.badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 24px;
}

.badge-list li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    font-size: 0.82rem;
    font-weight: 600;
}

.badge-list i { color: var(--green); }

.price-box { margin-bottom: 24px; }

.price-old {
    display: block;
    color: rgba(255, 255, 255, 0.55);
    text-decoration: line-through;
}

.price-main {
    margin: 4px 0 8px;
    font-size: 1.05rem;
}

.price-main strong {
    font-size: 2rem;
    font-weight: 800;
}

.price-note {
    display: block;
    max-width: 420px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.85rem;
}

.product-visual {
    display: flex;
    justify-content: center;
}

.product-photo {
    width: min(420px, 100%);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.home-panel {
    padding: 48px 36px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
}

.home-panel i { font-size: 2.4rem; color: #7eb6ff; margin-bottom: 16px; }

.section { padding: 88px 0; }
.section-alt { background: var(--surface); }

.section-head { text-align: center; margin-bottom: 40px; }

.section-label {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--purple);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-head h2, .legal-wrap h1 {
    margin: 0 0 12px;
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    color: var(--navy-dark);
}

.section-head p { margin: 0 auto; max-width: 640px; color: var(--text-muted); }

.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.features-grid,
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.feature-card,
.step-card,
.offer-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(75, 73, 172, 0.1);
    color: var(--purple);
    margin-bottom: 14px;
}

.feature-card h3, .step-card h3, .offer-card h3 {
    margin: 0 0 8px;
    color: var(--navy-dark);
}

.feature-card p, .step-card p, .offer-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.step-num {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--navy-mid);
    font-weight: 800;
}

.offer-card { padding: 0; overflow: hidden; }
.offer-card img { width: 100%; height: 240px; object-fit: contain; background: #081525; }
.offer-card-body { padding: 22px; }
.offer-cat { display: block; margin-bottom: 8px; color: var(--purple); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.offer-card .btn { margin-top: 16px; }

.video-wrap {
    position: relative;
    width: min(920px, 100%);
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    background: #000;
    aspect-ratio: 16 / 9;
    box-shadow: var(--shadow);
}

.video-wrap iframe,
.video-wrap video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.center-cta { display: flex; justify-content: center; margin-top: 28px; }

.cta-banner { padding: 0 0 88px; }

.cta-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 48px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--purple-dark) 100%);
    color: var(--white);
}

.cta-banner h2 { margin: 0 0 10px; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.cta-banner p { margin: 0; color: rgba(255, 255, 255, 0.78); }

.faq-list { width: min(820px, 100%); margin: 0 auto; display: grid; gap: 12px; }

.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 8px 20px;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--navy-dark);
    padding: 14px 0;
}

.faq-item p { margin: 0 0 16px; color: var(--text-muted); }

.legal-note, .legal-wrap {
    max-width: 760px;
    color: var(--text-muted);
}

.legal-wrap { padding-top: calc(var(--header-h) + 24px); }
.legal-wrap h2 { color: var(--navy-dark); margin-top: 28px; }
.legal-wrap ul { list-style: disc; padding-left: 20px; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding-top: calc(var(--header-h) + 24px);
}

.contact-copy h1 { margin: 0 0 14px; color: var(--navy-dark); }

.contact-channel {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    margin-bottom: 12px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--border);
    font-weight: 600;
}

.contact-form-wrap {
    padding: 28px;
    border-radius: 20px;
    background: var(--white);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.form-row { margin-bottom: 16px; }
.form-row label { display: block; margin-bottom: 8px; font-size: 0.88rem; font-weight: 700; }

.form-row input,
.form-row textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
}

.alert { padding: 14px 16px; border-radius: 12px; margin-bottom: 16px; }
.alert-success { background: #ecfdf5; color: #047857; }
.alert-error { background: #fef2f2; color: #b91c1c; }

.site-footer {
    background: var(--navy-dark);
    color: rgba(255, 255, 255, 0.78);
    padding: 56px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 36px;
}

.brand--footer .brand-title,
.brand--footer .brand-tagline { color: var(--white); }
.brand--footer .brand-tagline { opacity: 0.7; }

.footer-col h3 {
    margin: 0 0 14px;
    color: var(--white);
    font-size: 0.95rem;
}

.footer-col li { margin-bottom: 8px; }
.footer-brand p { max-width: 320px; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
}

.btn-scroll-top,
.sticky-buy {
    position: fixed;
    z-index: 99;
}

.btn-scroll-top {
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--plan-teal);
    color: var(--white);
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
}

.btn-scroll-top.is-visible { opacity: 1; visibility: visible; }

.sticky-buy {
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 42, 0.96);
    color: var(--white);
    transform: translateY(110%);
    transition: transform 0.25s ease;
}

.sticky-buy.is-visible { transform: translateY(0); }

.sticky-buy-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 64px;
}

.page-product { padding-bottom: 72px; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 960px) {
    .hero-grid,
    .product-hero-grid,
    .features-grid,
    .steps-grid,
    .offers-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cta-banner-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
    :root { --header-h: 68px; }

    .nav-toggle { display: block; }

    .site-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 20px;
        background: rgba(255, 255, 255, 0.98);
        transform: translateX(100%);
        transition: transform 0.25s ease;
        overflow-y: auto;
    }

    .site-nav.is-open { transform: translateX(0); }
    .site-nav a { width: 100%; justify-content: center; }

    body.nav-open { overflow: hidden; }

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

    .footer-bottom { flex-direction: column; }
}