:root {
    --bg: #0a0e17;
    --bg-soft: #0f1522;
    --panel: #111a2a;
    --panel-2: #0d1420;
    --line: rgba(255,255,255,.09);
    --line-strong: rgba(126,249,255,.24);
    --text: #f5f8ff;
    --muted: #9aa8bd;
    --cyan: #65e9f1;
    --cyan-2: #22c8d3;
    --violet: #7f6df2;
    --lime: #b8ff6d;
    --danger: #ff627a;
    --radius: 15px;
    --header-h: 82px;
    --shadow: 0 24px 70px rgba(0,0,0,.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; scroll-padding-top: calc(var(--header-h) + 18px); }
body {
    margin: 0;
    background:
        radial-gradient(circle at 18% 10%, rgba(34,200,211,.09), transparent 30rem),
        radial-gradient(circle at 85% 22%, rgba(127,109,242,.10), transparent 34rem),
        var(--bg);
    color: var(--text);
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
::selection { background: rgba(101,233,241,.28); color: #fff; }

.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { position: relative; padding: 108px 0; }

.skip-link {
    position: fixed;
    left: 12px;
    top: -80px;
    z-index: 9999;
    background: #fff;
    color: #111;
    padding: 10px 14px;
    border-radius: 8px;
    transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: rgba(10,14,23,.76);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
    background: rgba(10,14,23,.94);
    border-bottom-color: var(--line);
    box-shadow: 0 12px 38px rgba(0,0,0,.22);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    aspect-ratio: 1;
    border-radius: 12px;
    background: linear-gradient(145deg, var(--cyan), #88fff2 56%, var(--violet));
    color: #061018;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    letter-spacing: -.05em;
    box-shadow: 0 0 34px rgba(101,233,241,.23);
}
.brand-text { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; letter-spacing: -.04em; font-size: 19px; }
.brand-text span { color: var(--cyan); }
.main-nav { display: flex; align-items: center; gap: 23px; }
.main-nav a { font-size: 14px; font-weight: 600; color: #c9d3e2; transition: color .2s ease, background .2s ease, transform .2s ease; }
.main-nav a:hover, .main-nav a.active { color: #fff; }
.main-nav .nav-cta { padding: 10px 16px; border: 1px solid rgba(101,233,241,.34); border-radius: 12px; color: var(--cyan); background: rgba(101,233,241,.06); }
.main-nav .nav-cta:hover { transform: translateY(-2px); background: rgba(101,233,241,.11); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--panel); border-radius: 12px; padding: 11px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; background: #fff; margin: 5px 0; border-radius: 99px; transition: transform .25s ease, opacity .25s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero { min-height: calc(100svh - var(--header-h)); display: flex; align-items: center; padding-top: 78px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 64px; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: #b8c5d8; font-family: 'Plus Jakarta Sans', sans-serif; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .16em; }
.eyebrow > span { width: 26px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); }
.hero h1, .section-heading h2, .content-sticky h2, .seo-panel h2, .cta-box h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -.052em;
    line-height: 1.04;
    margin: 18px 0 22px;
}
.hero h1 { font-size: clamp(48px, 6.3vw, 84px); max-width: 900px; }
.hero h1 em { color: var(--cyan); font-style: normal; position: relative; }
.hero h1 em::after { content: ''; position: absolute; left: 4px; right: 2px; bottom: 3px; height: 7px; background: rgba(101,233,241,.14); border-radius: 99px; z-index: -1; }
.hero-copy > p { max-width: 700px; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border: 1px solid transparent; border-radius: 12px; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 14px; transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; cursor: pointer; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #061018; background: linear-gradient(135deg, #70f5ef, #4edfe9); box-shadow: 0 12px 40px rgba(71,220,232,.18); }
.btn-primary:hover { box-shadow: 0 16px 46px rgba(71,220,232,.28); }
.btn-secondary, .btn-plan { border-color: var(--line); background: rgba(255,255,255,.025); color: #fff; }
.btn-secondary:hover, .btn-plan:hover { border-color: rgba(101,233,241,.38); background: rgba(101,233,241,.07); }
.hero-trust { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); }
.hero-trust div { display: flex; flex-direction: column; }
.hero-trust strong { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 18px; }
.hero-trust span { color: var(--muted); font-size: 12px; }
.hero-visual { position: relative; z-index: 1; }
.hero-visual::before { content: ''; position: absolute; inset: 16% 8%; background: rgba(101,233,241,.13); filter: blur(50px); border-radius: 50%; z-index: -1; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(30px); pointer-events: none; }
.hero-glow-one { width: 400px; height: 400px; background: rgba(34,200,211,.06); left: -220px; top: 12%; }
.hero-glow-two { width: 520px; height: 520px; background: rgba(127,109,242,.06); right: -260px; bottom: -70px; }

.mini-proof { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.012); }
.proof-grid { min-height: 110px; display: grid; grid-template-columns: repeat(4,1fr); }
.proof-grid > div { display: flex; align-items: center; gap: 14px; padding: 20px 24px; border-right: 1px solid var(--line); }
.proof-grid > div:first-child { padding-left: 0; }
.proof-grid > div:last-child { border-right: 0; }
.proof-icon { display: grid; place-items: center; min-width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; color: var(--cyan); font-family: 'Plus Jakarta Sans', sans-serif; font-size: 11px; font-weight: 800; }
.proof-grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.proof-grid strong { display: block; color: #fff; font-size: 13px; }

.section-heading { max-width: 780px; margin-bottom: 46px; }
.section-heading h2, .content-sticky h2, .seo-panel h2, .cta-box h2 { font-size: clamp(36px, 4.8vw, 60px); }
.section-heading p, .lead, .seo-copy p, .cta-box p { color: var(--muted); }
.section-heading.left { margin-bottom: 0; }
.plans-section { background: linear-gradient(180deg, transparent, rgba(255,255,255,.012), transparent); }
.plans-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.plan-card { position: relative; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgba(17,26,42,.94), rgba(12,18,29,.94)); box-shadow: var(--shadow); overflow: hidden; }
.plan-card.featured { border-color: rgba(101,233,241,.35); transform: translateY(-10px); }
.plan-card.featured::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent); }
.plan-topline { min-height: 26px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.plan-badge, .popular { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.plan-badge { color: #95a7bf; }
.popular { color: #071018; background: var(--cyan); padding: 5px 9px; border-radius: 8px; }
.plan-card h3 { margin: 20px 0 6px; font: 700 28px/1.15 'Plus Jakarta Sans', sans-serif; }
.plan-desc { min-height: 70px; margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.price { padding: 21px 0 23px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font: 700 35px/1 'Plus Jakarta Sans', sans-serif; letter-spacing: -.04em; }
.price > span { color: var(--cyan); font-size: 19px; vertical-align: 8px; margin-right: 3px; }
.price small { display: inline-block; margin-left: 4px; color: #9aabc0; font: 600 11px/1.3 'Open Sans', sans-serif; letter-spacing: 0; }
.feature-list { list-style: none; padding: 23px 0; margin: 0; display: grid; gap: 10px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; color: #d4ddeb; font-size: 13px; }
.feature-list li span { color: var(--cyan); font-weight: 800; }
.plan-card .btn { width: 100%; }
.link-note { margin: 10px 0 0; text-align: center; color: #6f8098; font-size: 10px; }

.content-section { border-top: 1px solid var(--line); }
.content-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: start; }
.content-sticky { position: sticky; top: calc(var(--header-h) + 28px); }
.content-sticky h2 { margin-bottom: 20px; }
.lead { font-size: 17px; }
.text-link { display: inline-flex; gap: 10px; margin-top: 18px; color: var(--cyan); font-weight: 700; font-size: 13px; }
.article-stack { display: grid; gap: 18px; }
.article-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.018); }
.article-card h3 { margin: 0 0 14px; font: 700 22px/1.35 'Plus Jakarta Sans', sans-serif; }
.article-card p { color: #a9b6c9; margin: 0 0 14px; font-size: 14px; }
.article-card p:last-child { margin-bottom: 0; }

.advantages-section { background: radial-gradient(circle at 50% 45%, rgba(101,233,241,.055), transparent 42rem); }
.adv-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.adv-card { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(17,26,42,.65); }
.adv-card > span { color: var(--cyan); font: 800 11px/1 'Plus Jakarta Sans', sans-serif; letter-spacing: .14em; }
.adv-card h3 { margin: 50px 0 10px; font: 700 20px/1.3 'Plus Jakarta Sans', sans-serif; }
.adv-card p { margin: 0; color: var(--muted); font-size: 13px; }

.seo-panel { display: grid; grid-template-columns: .95fr 1.05fr; gap: 70px; padding: 48px; border: 1px solid rgba(101,233,241,.17); border-radius: var(--radius); background: linear-gradient(135deg, rgba(101,233,241,.055), rgba(127,109,242,.055)); }
.seo-panel h2 { margin-bottom: 0; }
.seo-copy p { margin-top: 0; font-size: 14px; }
.seo-copy p + p { margin-top: 18px; }
.seo-copy strong { color: var(--cyan); }

.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.018); padding: 0 20px; }
.faq-item summary { cursor: pointer; list-style: none; padding: 20px 28px 20px 0; position: relative; font: 700 14px/1.4 'Plus Jakarta Sans', sans-serif; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 0; top: 15px; width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 8px; color: var(--cyan); font-size: 18px; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin: -2px 0 20px; color: var(--muted); font-size: 13px; }
.faq-item code { color: var(--cyan); }

.final-cta { padding-top: 50px; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding: 52px; border-radius: var(--radius); background: linear-gradient(135deg, #53e2ea, #6beedc 45%, #8f7df6); color: #061018; box-shadow: 0 30px 80px rgba(68,217,226,.18); }
.cta-box .eyebrow { color: rgba(6,16,24,.68); }
.cta-box .eyebrow > span { background: rgba(6,16,24,.7); }
.cta-box h2 { max-width: 820px; margin-bottom: 12px; }
.cta-box p { margin: 0; color: rgba(6,16,24,.69); }
.btn-light { min-width: 160px; background: #071018; color: #fff; }

.site-footer { padding: 60px 0 24px; border-top: 1px solid var(--line); background: #080b12; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .7fr; gap: 70px; }
.footer-grid > div:first-child p { max-width: 500px; color: var(--muted); font-size: 13px; margin-top: 18px; }
.footer-grid h3 { margin: 5px 0 16px; font: 700 13px/1.2 'Plus Jakarta Sans', sans-serif; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-grid > div:not(:first-child) a { color: var(--muted); font-size: 12px; }
.footer-grid > div:not(:first-child) a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 42px; padding-top: 22px; border-top: 1px solid var(--line); color: #687891; font-size: 11px; }
.footer-bottom p { margin: 0; }

.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 900; width: 44px; height: 44px; border-radius: 12px; border: 1px solid rgba(101,233,241,.25); background: rgba(15,21,34,.88); backdrop-filter: blur(12px); color: var(--cyan); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease, background .2s ease; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: rgba(101,233,241,.1); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
    .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1024px) {
    :root { --header-h: 74px; }
    .menu-toggle { display: block; }
    .main-nav {
        position: fixed;
        left: 20px;
        right: 20px;
        top: calc(var(--header-h) + 10px);
        display: grid;
        gap: 0;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 14px;
        background: rgba(12,18,29,.98);
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
    }
    .main-nav.open { opacity: 1; visibility: visible; transform: none; }
    .main-nav a { padding: 13px 12px; border-bottom: 1px solid var(--line); }
    .main-nav a:last-child { border-bottom: 0; }
    .main-nav .nav-cta { margin-top: 8px; text-align: center; }
    .hero-grid, .content-grid, .seo-panel, .faq-grid { grid-template-columns: 1fr; }
    .hero-grid { gap: 24px; }
    .hero-copy { text-align: center; }
    .hero-copy > p { margin-inline: auto; }
    .hero-actions { justify-content: center; }
    .hero-trust { max-width: 620px; margin-inline: auto; }
    .hero-visual { max-width: 690px; margin: 0 auto; }
    .proof-grid { grid-template-columns: repeat(2,1fr); }
    .proof-grid > div:nth-child(2) { border-right: 0; }
    .proof-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .proof-grid > div:first-child { padding-left: 24px; }
    .plans-grid { grid-template-columns: 1fr; max-width: 720px; margin-inline: auto; }
    .plan-card.featured { transform: none; }
    .content-sticky { position: static; }
    .content-grid, .faq-grid { gap: 42px; }
    .adv-grid { grid-template-columns: repeat(2,1fr); }
    .seo-panel { gap: 30px; }
}

@media (max-width: 700px) {
    .container { width: min(100% - 28px, 1180px); }
    .section { padding: 78px 0; }
    .site-header { height: 68px; }
    :root { --header-h: 68px; }
    .brand-mark { width: 38px; border-radius: 10px; }
    .brand-text { font-size: 16px; }
    .hero { min-height: auto; padding-top: 58px; }
    .hero h1 { font-size: clamp(42px, 14vw, 64px); }
    .hero-copy > p { font-size: 15px; }
    .hero-actions { display: grid; }
    .hero-actions .btn { width: 100%; }
    .hero-trust { gap: 8px; }
    .hero-trust strong { font-size: 15px; }
    .hero-trust span { font-size: 10px; }
    .hero-visual { margin-top: 18px; }
    .proof-grid { grid-template-columns: 1fr; }
    .proof-grid > div { border-right: 0; border-bottom: 1px solid var(--line); padding-inline: 0; }
    .proof-grid > div:first-child { padding-left: 0; }
    .proof-grid > div:last-child { border-bottom: 0; }
    .section-heading h2, .content-sticky h2, .seo-panel h2, .cta-box h2 { font-size: clamp(34px, 11vw, 48px); }
    .plan-card { padding: 24px 20px; }
    .price { font-size: 31px; }
    .adv-grid { grid-template-columns: 1fr; }
    .adv-card { min-height: 200px; }
    .adv-card h3 { margin-top: 38px; }
    .seo-panel { padding: 28px 22px; }
    .cta-box { display: grid; padding: 32px 22px; gap: 28px; }
    .cta-box .btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 34px; }
    .footer-bottom { flex-direction: column; }
}