:root {
    --bg: #FFFFFF;
    --soft: #F2FAF6;
    --softer: #F8FDFB;
    --ink: #0D1A14;
    --ink-soft: #1C3028;
    --muted: #5A7A6A;
    --line: rgba(13,26,20,0.08);
    --line-strong: rgba(13,26,20,0.18);
    --terracotta: #2ECC82;
    --terracotta-deep: #1A9960;
    --terracotta-rgb: 46,204,130;
    --cream: #FFFFFF;

    --text-xs:   clamp(11px, 0.78vw, 13px);
    --text-sm:   clamp(13px, 0.9vw,  14px);
    --text-base: clamp(15px, 1.05vw, 17px);
    --text-lg:   clamp(18px, 1.4vw,  22px);
    --text-xl:   clamp(22px, 1.8vw,  28px);
    --text-2xl:  clamp(28px, 2.6vw,  40px);
    --h2:        clamp(30px, 3.4vw,  52px);
    --h1:        clamp(38px, 4.6vw,  68px);

    --rhythm:     clamp(72px, 8vw, 128px);
    --rhythm-sm:  clamp(48px, 5vw,  80px);
    --gap:        clamp(16px, 1.6vw, 24px);
    --radius:     18px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
    background: var(--bg);
    color: var(--ink);
    font-family: 'Onest', system-ui, sans-serif;
    font-size: var(--text-base);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
img, svg, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3 { text-wrap: balance; letter-spacing: -0.025em; line-height: 1.05; }
p { text-wrap: pretty; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.section { padding: var(--rhythm) 0; }
.section--tight { padding: var(--rhythm-sm) 0; }
#webinars .section__title { margin-bottom: 12px; }
#webinars .section__lead { margin: 0 0 20px; }
.section--soft { background: var(--soft); border-block: 1px solid var(--line); }
.section--ink { background: var(--ink); color: #fff; }
.section__title { font-size: var(--h2); font-weight: 700; margin-bottom: clamp(24px, 3vw, 48px); max-width: 22ch; }
.section__lead { font-size: var(--text-lg); color: var(--ink-soft); max-width: 60ch; margin: -12px 0 clamp(28px, 3vw, 44px); }
.eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: var(--text-xs); font-weight: 600;
    color: var(--muted); text-transform: uppercase; letter-spacing: 0.16em;
    margin-bottom: 20px;
}
.eyebrow::before { content: ''; width: 8px; height: 8px; background: var(--terracotta); border-radius: 50%; }
.section--ink .eyebrow { color: rgba(255,255,255,.55); }

/* buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 14px 22px; border-radius: 999px;
    font-size: var(--text-sm); font-weight: 700;
    transition: transform .15s, background .15s, color .15s, border-color .15s;
}
.btn--primary { background: var(--terracotta); color: var(--ink); }
.btn--primary:hover { background: var(--terracotta-deep); color: #fff; transform: translateY(-1px); }
.btn--ghost { border: 1.5px solid var(--line-strong); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-1px); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--terracotta); transform: translateY(-1px); }
.btn__arrow { transition: transform .2s; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* header */
.site-header {
    position: sticky; top: 0; z-index: 40;
    background: rgba(255,255,255,0.88);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; gap: 24px; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 36px; width: auto; }
.nav { display: flex; gap: clamp(16px, 2vw, 30px); align-items: center; margin-left: auto; }
.nav a { font-size: var(--text-sm); font-weight: 500; color: var(--ink-soft); transition: color .15s; }
.nav a:hover { color: var(--terracotta-deep); }
.header-cta { padding: 10px 18px; font-size: 13px; flex-shrink: 0; }
.burger {
    display: none; width: 42px; height: 42px; border-radius: 12px;
    border: 1px solid var(--line-strong);
    align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.site-header.is-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.is-open .burger span:nth-child(2) { opacity: 0; }
.site-header.is-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* 2. hero */
.hero { position: relative; overflow: hidden; padding: var(--rhythm-sm) 0 var(--rhythm); }
.hero__grid {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, 1fr);
    gap: clamp(32px, 5vw, 80px); align-items: center;
}
.hero__title { font-size: var(--h1); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 24px; text-wrap: pretty; }
.hero__title .highlight {
    background: var(--terracotta); padding: 0 0.18em; border-radius: 6px; font-size: 0.78em;
    box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.hero__title .highlight__text { font-size: 128.205%; }
.hero__sub { font-size: var(--text-lg); color: var(--ink-soft); max-width: 54ch; line-height: 1.5; }
.hero__routes { display: flex; flex-direction: column; gap: 14px; }
.route-btn {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: clamp(20px, 2vw, 28px) clamp(22px, 2.2vw, 30px);
    border-radius: var(--radius);
    font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.015em; line-height: 1.15;
    border: 1.5px solid var(--line-strong);
    background: var(--bg);
    transition: transform .2s cubic-bezier(.2,.8,.2,1), box-shadow .2s, background .15s, border-color .15s;
}
.route-btn small { display: block; margin-top: 6px; font-size: var(--text-sm); font-weight: 500; color: var(--muted); letter-spacing: 0; }
.route-btn__arrow {
    flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--soft); font-size: 20px; transition: transform .2s, background .15s;
}
.route-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(13,26,20,.10); border-color: var(--ink); }
.route-btn:hover .route-btn__arrow { transform: translateX(3px); background: var(--terracotta); }
.route-btn--primary { background: var(--terracotta); border-color: var(--terracotta); }
.route-btn--primary small { color: var(--ink-soft); }
.route-btn--primary .route-btn__arrow { background: rgba(255,255,255,.55); }
.route-btn--ink { background: var(--ink); border-color: var(--ink); color: #fff; }
.route-btn--ink small { color: rgba(255,255,255,.6); }
.route-btn--ink .route-btn__arrow { background: rgba(255,255,255,.12); }
.route-btn--ink:hover .route-btn__arrow { color: var(--ink); }

/* 4. audience */
.audience__grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--gap); }
.audience__card { padding: clamp(24px, 2.4vw, 36px); border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); }
.audience__card h3 { font-size: var(--text-xl); font-weight: 700; margin-bottom: 20px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.tags li { padding: 8px 14px; border-radius: 999px; background: var(--soft); font-size: var(--text-sm); font-weight: 500; }
.segments { list-style: none; display: flex; flex-direction: column; }
.segments li { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr); gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.segments li:first-child { border-top: 0; padding-top: 0; }
.segments strong { font-weight: 700; }
.segments span { color: var(--muted); font-size: var(--text-sm); }
.audience__note {
    margin-top: var(--gap); padding: clamp(20px, 2vw, 28px) clamp(24px, 2.4vw, 36px);
    border-radius: var(--radius); background: var(--ink); color: #fff;
    font-size: var(--text-lg); font-weight: 600; line-height: 1.4;
}
.audience__note mark { background: none; color: var(--terracotta); }

/* 5. problem */
.problem__grid {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas: "text chores" "claim chores";
    grid-template-rows: auto 1fr;
    column-gap: clamp(32px, 5vw, 80px); align-items: start;
}
.problem__text { grid-area: text; }
.problem__chores { grid-area: chores; }
.problem__text p { font-size: var(--text-lg); color: rgba(255,255,255,.72); margin-bottom: 20px; max-width: 48ch; }
.problem__text p:last-child { margin-bottom: 0; }
.chores { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.chores li {
    padding: 16px 18px; border-radius: 14px;
    border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.04);
    font-weight: 600; position: relative;
}
.chores li::after { content: '→ ИИ'; position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: 11px; color: var(--terracotta); font-weight: 700; letter-spacing: .04em; opacity: 0; transition: opacity .2s; }
.chores li:hover::after { opacity: 1; }
.problem__after { margin-top: 24px; font-size: var(--text-lg); color: rgba(255,255,255,.72); }
.problem__claim { grid-area: claim; margin-top: 12px; font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; max-width: 26ch; }
.problem__claim span { color: var(--terracotta); }

/* 6. robots video */
.robots__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 64px); align-items: center; }
.video-frame { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: var(--ink); box-shadow: 0 24px 60px rgba(13,26,20,.18); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.robots__text { font-size: var(--text-lg); color: var(--ink-soft); line-height: 1.5; }
.robots__text strong { color: var(--ink); }

/* 7. routes */
.routes__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.route {
    display: flex; flex-direction: column; gap: 18px;
    padding: clamp(28px, 3vw, 44px); border-radius: 22px; min-height: 440px;
    position: relative; overflow: hidden;
}
.route--self { background: var(--terracotta); }
.route--team { background: var(--ink); color: #fff; }
.route__label { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: .16em; opacity: .7; }
.route__title { font-size: var(--text-2xl); font-weight: 700; line-height: 1.1; }
.route__product { font-size: var(--text-lg); font-weight: 700; }
.route--team .route__product { color: var(--terracotta); }
.route__desc { font-size: var(--text-base); line-height: 1.55; }
.route--self .route__desc { color: var(--ink-soft); }
.route--team .route__desc { color: rgba(255,255,255,.72); }
.route__steps { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 4px; font-size: var(--text-sm); font-weight: 600; }
.route__steps li { display: inline-flex; align-items: center; gap: 4px; padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.10); }
.route__meta { font-size: var(--text-sm); font-weight: 600; opacity: .75; }
.route__foot { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.route--self .btn { background: var(--ink); color: #fff; }
.route--self .btn:hover { background: #fff; color: var(--ink); }
.route__mascot { position: absolute; right: -150px; bottom: -24px; width: 460px; max-width: none; pointer-events: none; }
.route--self .route__desc, .route--self .route__title { position: relative; z-index: 1; max-width: 30ch; }

/* 8. why */
.why__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); counter-reset: why; }
.why__item {
    display: flex; flex-direction: column; gap: 4px;
    padding: clamp(24px, 2.4vw, 36px); border-radius: var(--radius);
    background: var(--soft); border: 1px solid var(--line);
}
.why__icon {
    width: 64px; height: 64px; border-radius: 18px; margin-bottom: 20px;
    display: flex; align-items: center; justify-content: center;
    background: var(--terracotta); color: var(--ink);
}
.why__icon svg { width: 32px; height: 32px; }
.why__item:nth-child(2) .why__icon { background: var(--ink); color: var(--terracotta); }
.why__item h3 { font-size: var(--text-xl); font-weight: 700; margin-bottom: 12px; line-height: 1.15; }
.why__item p { color: var(--ink-soft); }

/* 10. webinars */
.webinars__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.webinar {
    display: flex; flex-direction: column; gap: 14px;
    padding: clamp(22px, 2.2vw, 32px);
    background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: 0 2px 6px rgba(13,26,20,.05);
}
.webinar__when {
    align-self: flex-start; display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 12px; background: rgba(var(--terracotta-rgb), .14); border-radius: 999px;
    font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.04em; font-variant-numeric: tabular-nums;
}
.webinar__when::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--terracotta-deep); }
.webinar__name { font-size: var(--text-xl); font-weight: 700; line-height: 1.15; letter-spacing: -0.015em; }
.webinar__desc { color: var(--ink-soft); flex: 1; }
.webinar .btn { align-self: flex-start; }

/* 11. faq */
.faq__grid { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: clamp(28px, 4vw, 64px); align-items: start; }
.faq__list { border-top: 1px solid var(--line-strong); }
.faq__item { border-bottom: 1px solid var(--line-strong); }
.faq__item summary {
    list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; align-items: center;
    padding: 22px 0; font-size: var(--text-lg); font-weight: 600; line-height: 1.3;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
    content: '+'; flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--soft); font-size: 20px; font-weight: 500; transition: transform .2s, background .15s;
}
.faq__item[open] summary::after { transform: rotate(45deg); background: var(--terracotta); }
.faq__item p { padding: 0 48px 24px 0; color: var(--ink-soft); }

/* 12. final cta */
.final { background: var(--terracotta); padding: var(--rhythm) 0; }
.final__title { font-size: var(--h1); font-weight: 700; letter-spacing: -0.03em; max-width: 18ch; margin-bottom: clamp(28px, 3vw, 44px); }
.final__actions { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 880px; margin-bottom: 28px; }
.final__actions .route-btn { border-color: var(--ink); }
.final__note { font-size: var(--text-lg); max-width: 60ch; color: var(--ink-soft); }
.final__note strong { color: var(--ink); }
.final__contact { margin-top: 16px; font-size: var(--text-lg); font-weight: 600; }
.final__contact a { text-decoration: underline; text-underline-offset: 3px; }
.final__contact a:hover { color: #fff; }

/* 13. footer */
.footer { background: var(--ink); color: rgba(255,255,255,0.6); padding: var(--rhythm-sm) 0 32px; }
.footer__inner { display: grid; grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr)); gap: clamp(28px, 4vw, 64px); margin-bottom: var(--rhythm-sm); }
.footer__brand img { height: 48px; width: auto; filter: invert(1); margin-bottom: 18px; }
.footer__tagline { font-size: var(--text-base); color: rgba(255,255,255,0.85); max-width: 32ch; }
.footer__col h4 { font-size: var(--text-xs); color: rgba(255,255,255,0.38); text-transform: uppercase; letter-spacing: 0.16em; margin-bottom: 16px; font-weight: 600; }
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col a { font-size: var(--text-sm); transition: color .15s; }
.footer__col a:hover { color: var(--terracotta); }
.footer__bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
    padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08);
    font-size: var(--text-xs); color: rgba(255,255,255,0.35); letter-spacing: 0.04em;
}
.footer__bottom a:hover { color: #fff; }

/* tablet / mobile */
@media (max-width: 1080px) {
    .nav { gap: 16px; }
    .nav a { font-size: 13px; }
}
@media (max-width: 920px) {
    .container { padding: 0 20px; }
    .burger { display: inline-flex; }
    .site-header__inner { gap: 12px; padding: 12px 0; }
    .header-cta { margin-left: auto; }
    .nav {
        position: absolute; left: 0; right: 0; top: 100%;
        flex-direction: column; align-items: stretch; gap: 0; margin: 0;
        padding: 8px 20px 20px; background: #fff; border-bottom: 1px solid var(--line);
        box-shadow: 0 20px 40px rgba(13,26,20,.10);
        display: none;
    }
    .site-header.is-open .nav { display: flex; }
    .nav a { font-size: var(--text-lg); font-weight: 600; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .nav a:last-child { border-bottom: 0; }
    .problem__grid { grid-template-areas: "text" "chores" "claim"; grid-template-rows: auto; row-gap: 28px; }
    .problem__claim { margin-top: 8px; }
    .hero__grid, .audience__grid, .problem__grid, .robots__grid, .routes__grid, .faq__grid, .webinars__grid, .final__actions { grid-template-columns: 1fr; }
    .why__grid { grid-template-columns: 1fr; }
    .chores { grid-template-columns: 1fr 1fr; }
    .footer__inner { grid-template-columns: 1fr 1fr; }
    .footer__inner > div:first-child { grid-column: 1 / -1; }
    .route { min-height: 0; }
}
@media (max-width: 560px) {
    .brand img { height: 30px; }
    .header-cta { padding: 9px 14px; font-size: 12px; }
    .segments li { grid-template-columns: 1fr; gap: 4px; }
    .route__mascot { display: none; }
    .webinar .btn { align-self: stretch; }
    .faq__item p { padding-right: 0; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
}