:root {
    --bg: #f3f6fb;
    --ink: #12182b;
    --muted: #5d6b82;
    --line: #e4eaf4;
    --card: #ffffff;
    --blue: #3d5afe;
    --blue-deep: #2f46d8;
    --violet: #6d4dff;
    --soft: #eef2ff;
    --shadow: 0 1px 2px rgba(18, 24, 43, 0.04), 0 16px 40px rgba(28, 52, 120, 0.08);
    --radius: 20px;
    --sans: "Plus Jakarta Sans", "Segoe UI", sans-serif;
    --wrap: 1120px;
    --nav: 72px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav) + 12px);
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(900px 420px at 100% -10%, rgba(109, 77, 255, 0.08), transparent 60%),
        radial-gradient(800px 380px at -10% 0%, rgba(61, 90, 254, 0.08), transparent 55%),
        var(--bg);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    color-scheme: light;
}

h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
a { color: inherit; }
button, summary { font: inherit; }
svg { display: block; }

:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
}

::selection {
    background: #d9e2ff;
}

.skip {
    position: absolute;
    left: 12px;
    top: 12px;
    z-index: 40;
    transform: translateY(-160%);
    padding: 8px 12px;
    border-radius: 8px;
    background: var(--ink);
    color: #fff;
    text-decoration: none;
}

.skip:focus { transform: none; }

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

.nav {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(14px);
}

.brand,
.actions,
.nav__bar,
.nav__actions,
.foot__base {
    display: flex;
    align-items: center;
}


.nav.is-stuck {
    background: rgba(255, 255, 255, 0.96);
    border-bottom-color: var(--line);
    box-shadow: 0 10px 30px rgba(18, 24, 43, 0.06);
}

.dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 6px;
    border-radius: 50%;
    background: #16a36a;
    box-shadow: 0 0 0 4px rgba(22, 163, 106, 0.15);
}

.nav__bar {
    gap: 20px;
    min-height: 72px;
}

.brand {
    gap: 10px;
    margin-right: auto;
    color: var(--ink);
    font-weight: 800;
    letter-spacing: -0.03em;
    text-decoration: none;
}

.brand__text {
    display: grid;
    line-height: 1.05;
}

.brand small {
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.brand:hover { color: var(--ink); }

.nav__links {
    display: flex;
    gap: 4px;
}

.nav__links a {
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
}

.nav__links a:hover,
.nav__links a.is-on {
    background: #fff;
    color: var(--ink);
    box-shadow: 0 1px 2px rgba(18, 24, 43, 0.06), inset 0 0 0 1px var(--line);
}

.nav__actions { gap: 8px; }

.menu { display: none; }

.menu summary {
    display: grid;
    gap: 5px;
    width: 44px;
    height: 44px;
    place-content: center;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    list-style: none;
    cursor: pointer;
}

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

.menu summary span {
    width: 16px;
    height: 1.5px;
    background: var(--ink);
}

.menu__panel {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: grid;
    gap: 12px;
    padding: 8px 20px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(18, 24, 43, 0.08);
}

.menu__panel nav { display: grid; }

.menu__panel a {
    padding: 12px 8px;
    border-radius: 10px;
    color: var(--ink);
    font-weight: 600;
    text-decoration: none;
}

.menu__panel nav a.is-on,
.menu__panel nav a:hover { background: var(--soft); color: var(--blue-deep); }

.menu__actions {
    display: grid;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 12px;
    background: linear-gradient(180deg, #5b78ff 0%, var(--blue) 45%, var(--blue-deep) 100%);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 8px 18px rgba(61, 90, 254, 0.28);
}

.btn:hover { color: #fff; filter: brightness(1.06); }

.btn--sm { min-height: 40px; padding: 0 14px; font-size: 0.9rem; }

.btn--ghost {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
    box-shadow: none;
}

.btn--ghost:hover { color: var(--blue-deep); border-color: #c9d4f5; background: #fff; }

.btn--block { width: 100%; margin-top: auto; }

.hero {
    width: 100%;
    padding: 48px 0 40px;
    background:
        radial-gradient(900px 420px at 88% 10%, rgba(109, 77, 255, 0.16), transparent 62%),
        radial-gradient(760px 380px at 8% 90%, rgba(61, 90, 254, 0.12), transparent 64%),
        linear-gradient(180deg, #ffffff 0%, #f3f6ff 100%);
    border-bottom: 1px solid var(--line);
}

.hero__frame {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 36px;
    align-items: center;
}

.eyebrow {
    margin-bottom: 12px;
    color: var(--blue-deep);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero h1,
.intro h2,
.contact h2 {
    letter-spacing: -0.045em;
    line-height: 1.08;
    text-wrap: balance;
}

.hero h1 {
    max-width: none;
    font-size: clamp(2.15rem, 3vw, 2.7rem);
    font-weight: 800;
}

.lede,
.intro p:last-child,
.cards p,
.steps p,
.plan__desc,
.plan__note,
.faq p,
.contact > div > p {
    color: var(--muted);
}

.lede {
    max-width: 46ch;
    margin-top: 16px;
    font-size: 1.05rem;
}

.actions {
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 26px;
}

.metrics {
    width: 100%;
    margin: 36px 0 0;
    padding-top: 22px;
    border-top: 1px solid var(--line);
}

.metrics__row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metrics__row > div { padding: 4px 8px; }

.metrics dt {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.metrics dd {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 600;
}

.kit {
    display: grid;
    gap: 12px;
}

.kit article {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: center;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 1px 2px rgba(18, 24, 43, 0.04);
}

.kit strong {
    display: block;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.kit p {
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.92rem;
}

.kit .ico { margin-bottom: 0; }

@media (min-width: 981px) {
    .hero {
        display: flex;
        flex-direction: column;
        justify-content: center;
        min-height: calc(100vh - var(--nav));
        padding: 64px 0 36px;
    }

    .hero__frame {
        gap: 72px;
    }

    .hero h1 {
        font-size: clamp(2.5rem, 2.8vw, 3.05rem);
    }

    .lede {
        margin-top: 22px;
        font-size: 1.15rem;
    }

    .actions { margin-top: 36px; }

    .metrics {
        margin-top: 56px;
        padding-top: 28px;
    }

    .metrics dt { font-size: 1.45rem; }

    .kit { gap: 16px; }

    .kit article {
        padding: 22px 22px;
        border-radius: 22px;
        box-shadow: 0 10px 30px rgba(28, 52, 120, 0.06);
    }
}

.section { padding: 84px 0; }
.section--soft { background: rgba(255, 255, 255, 0.55); }

.intro { max-width: 640px; margin-bottom: 28px; }

.intro h2,
.contact h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
}

.intro p:last-child { margin-top: 10px; }

.cards,
.steps,
.plans {
    display: grid;
    gap: 16px;
}

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

.cards article,
.plan,
.faq__list,
.contact dl {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: 0 1px 2px rgba(18, 24, 43, 0.03);
}

.cards article {
    padding: 22px;
}

.cards article:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.ico {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin-bottom: 16px;
    border-radius: 12px;
}

.ico svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ico--blue { background: #e7ecff; color: #3451e6; }
.ico--violet { background: #efe7ff; color: #6d4dff; }
.ico--cyan { background: #e5f6fb; color: #0e7f99; }
.ico--green { background: #e5f8ef; color: #12805c; }
.ico--amber { background: #fff3e4; color: #b86e00; }
.ico--rose { background: #fde8ef; color: #c23462; }

.cards h3,
.steps h3,
.plan h3 {
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.cards p,
.steps p { margin-top: 6px; }

.steps {
    grid-template-columns: repeat(4, 1fr);
    margin: 0;
    padding: 0;
    list-style: none;
}

.steps li {
    padding: 8px 8px 0 0;
}

.steps span {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    margin-bottom: 14px;
    border-radius: 50%;
    background: var(--soft);
    color: var(--blue-deep);
    font-weight: 800;
}

.plans {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    align-items: stretch;
}

.plan {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 26px 22px 22px;
}

.plan.is-on {
    background: linear-gradient(180deg, #4d6bff 0%, #3a46e4 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 18px 40px rgba(61, 90, 254, 0.28);
}

.plan.is-on .plan__desc,
.plan.is-on .plan__note,
.plan.is-on li { color: rgba(255, 255, 255, 0.86); }

.plan__badge {
    align-self: flex-start;
    margin-bottom: 4px;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    font-size: 0.75rem;
    font-weight: 800;
}

.price {
    margin-top: 6px;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.price small,
.plan__note { font-size: 0.88rem; font-weight: 600; }

.plan ul {
    margin: 8px 0 18px;
    padding: 0;
    list-style: none;
}

.plan li {
    position: relative;
    padding: 6px 0 6px 16px;
    font-size: 0.92rem;
}

.plan li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
}

.plan.is-on li::before { background: #fff; }

.plan.is-on .btn {
    background: #fff;
    color: var(--blue-deep);
    box-shadow: none;
}

.plan.is-on .btn:hover { color: var(--blue-deep); filter: none; background: #f4f6ff; }

.faq {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 40px;
    align-items: start;
}

.faq__list { padding: 8px 22px; }

.faq details + details { border-top: 1px solid var(--line); }

.faq summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 58px;
    cursor: pointer;
    font-weight: 700;
    list-style: none;
}

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

.faq summary::after {
    content: "+";
    color: var(--blue);
    font-size: 1.3rem;
    font-weight: 500;
}

.faq details[open] summary::after { content: "–"; }

.faq p { margin: 0 0 16px; }

.contact {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 28px;
    align-items: center;
    padding: 36px;
    border-radius: 28px;
    background:
        radial-gradient(400px 180px at 100% 0%, rgba(109, 77, 255, 0.16), transparent 70%),
        linear-gradient(180deg, #ffffff, #f4f6ff);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.contact .btn { margin-top: 20px; }

.contact dl {
    margin: 0;
    padding: 8px 22px;
}

.contact dl div { padding: 14px 0; }
.contact dl div + div { border-top: 1px solid var(--line); }

.contact dt {
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact dd {
    margin: 3px 0 0;
    font-weight: 700;
}

.contact a { text-decoration: none; }

.foot {
    width: 100%;
    margin-top: 24px;
    padding: 36px 0 22px;
    background:
        radial-gradient(520px 180px at 100% 0%, rgba(109, 77, 255, 0.1), transparent 70%),
        #fff;
    border-top: 1px solid var(--line);
}

.foot__cols {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1fr;
    gap: 40px;
    align-items: start;
}

.foot h2 {
    margin-bottom: 16px;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.foot__about p,
.foot__address p {
    max-width: 36ch;
    margin-top: 12px;
    color: var(--muted);
}

.foot__links,
.foot__address {
    display: grid;
    align-content: start;
    gap: 4px;
}

.foot__links a,
.foot__address a {
    padding: 6px 0;
    color: var(--ink);
    font-weight: 600;
    text-decoration: none;
}

.foot__links a:hover,
.foot__address a:hover { color: var(--blue-deep); }

.foot__base {
    justify-content: space-between;
    gap: 12px 20px;
    flex-wrap: wrap;
    margin-top: 32px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.9rem;
}

.foot__base p {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.foot__chip {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin-top: 16px;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef8f3;
    color: #0f7a4a;
    font-size: 0.78rem;
    font-weight: 700;
}

.foot__base a {
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
}

.foot__base a:hover { color: var(--blue-deep); }

.wa {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 30;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    box-shadow: 0 10px 24px rgba(18, 140, 70, 0.35);
}

.wa:hover { color: #fff; filter: brightness(1.06); }

@media (max-width: 980px) {
    .nav__links,
    .nav__actions { display: none; }
    .menu { display: block; }
    .foot__cols { grid-template-columns: 1fr 1fr; }
    .foot__about { grid-column: 1 / -1; }

    .hero__frame,
    .cards--3,
    .steps,
    .faq,
    .contact,
    .metrics__row {
        grid-template-columns: 1fr 1fr;
    }

    .hero__frame,
    .faq,
    .contact { grid-template-columns: 1fr; }

    .hero { padding: 32px 0 28px; }
    .hero h1 { max-width: none; }
    .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
    .wrap { width: min(var(--wrap), calc(100% - 28px)); }
    .section { padding: 60px 0; }
    .cards--3,
    .steps,
    .metrics__row,
    .plans { grid-template-columns: 1fr; }
    .contact,
    .faq__list { padding-left: 16px; padding-right: 16px; }
    .foot__cols { grid-template-columns: 1fr; gap: 28px; }
    .wa { right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .cards article:hover,
    .btn:hover { transform: none; filter: none; }
}