:root {
    --bg: #f7f7f4;
    --surface: #ffffff;
    --text: #101318;
    --muted: #5f6878;
    --line: #e4e7ec;
    --accent: #0f172a;
    --accent-soft: #eef2ff;
    --radius: 24px;
    --max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Red Hat Display", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(247, 247, 244, 0.88);
    backdrop-filter: blur(14px);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 900;
    letter-spacing: -0.05em;
    font-size: 24px;
    line-height: 1;
}

.logo img {
    width: 1em;
    height: 1em;
    flex: 0 0 auto;
}

.nav {
    display: flex;
    gap: 24px;
    color: #3f4857;
    font-size: 14px;
    font-weight: 600;
}

.nav a:hover {
    color: var(--text);
}

.hero {
    width: min(var(--max), calc(100% - 40px));
    margin: 40px auto 95px;
    display: grid;
    grid-template-columns: 0.85fr 1.35fr;
    gap: 52px;
    align-items: center;
}

.hero-text {
    padding: 24px 0;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 12px;
    font-weight: 900;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 22px;
    font-size: clamp(44px, 6vw, 78px);
    line-height: 0.92;
    letter-spacing: -0.08em;
}

h2 {
    font-size: clamp(32px, 4vw, 54px);
    line-height: 1;
    letter-spacing: -0.065em;
    margin-bottom: 24px;
}

h3 {
    font-size: 22px;
    letter-spacing: -0.04em;
    margin-bottom: 10px;
}

.lead {
    max-width: 560px;
    font-size: 20px;
    line-height: 1.45;
    color: var(--muted);
}

.lead-small {
    max-width: 520px;
    font-size: 16px;
    line-height: 1.55;
    color: var(--muted);
}

.hero-subtitle {
    margin: -6px 0 28px;
    font-size: 24px;
    line-height: 1.2;
    letter-spacing: -0.04em;
    color: var(--text);
    font-weight: 700;
}

.hero-bullets {
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
    color: var(--text);
    font-size: 15px;
    font-weight: 700;
}

.hero-bullets li {
    position: relative;
    padding-left: 22px;
}

.hero-bullets li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.price-strip {
    width: fit-content;
    margin-top: 26px;
    padding: 12px 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
    display: flex;
    align-items: baseline;
    gap: 12px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.06);
}

.price-strip span,
.price-card span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.price-strip strong {
    font-size: 24px;
    line-height: 1;
}

.price-note {
    margin: 12px 0 0;
    max-width: 460px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.45;
    font-weight: 700;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 14px;
}

.button.primary {
    background: var(--accent);
    color: white;
}

.button.secondary {
    background: var(--surface);
    border: 1px solid var(--line);
}

.brochure-button {
    gap: 8px;
    background: #eef2f7;
    border: 1px solid #d8dee8;
}

.brochure-button:hover {
    background: #e6ebf3;
}

.brochure-button img {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
}

.hero-image {
    background: var(--surface);
    border-radius: 32px;
    padding: 26px;
    border: 1px solid var(--line);
    box-shadow: 0 34px 90px rgba(15, 23, 42, 0.08);
}

.section {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto 95px;
    scroll-margin-top: 110px;
}

.section-header {
    max-width: 760px;
    margin-bottom: 32px;
}

.compact-section {
    padding-top: 10px;
    padding-bottom: 10px;
}

.pill-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.pill-grid span {
    padding: 12px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text);
    font-weight: 800;
}

.grid.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
}

.card p,
.detail p,
.faq-item p,
.contact p {
    color: var(--muted);
    line-height: 1.55;
}

.price-card {
    background: var(--accent);
    color: white;
}

.price-card span,
.price-card p {
    color: rgba(255, 255, 255, 0.76);
}

.price-card strong {
    display: block;
    margin: 12px 0 16px;
    font-size: clamp(34px, 4vw, 48px);
    line-height: 0.96;
    letter-spacing: -0.06em;
}

.price-card .lead-small {
    color: rgba(255, 255, 255, 0.76);
}

.price-card .price-strip {
    width: fit-content;
    margin-top: 22px;
    background: white;
    color: var(--text);
    box-shadow: none;
}

.price-card .price-strip span {
    color: var(--muted);
}

.price-card .price-strip strong {
    margin: 0;
    color: var(--text);
    font-size: 24px;
    letter-spacing: -0.04em;
}

.inline-link {
    display: inline-flex;
    margin-top: 18px;
    color: white;
    font-size: 14px;
    font-weight: 900;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.split {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 60px;
    align-items: start;
}

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

.detail {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 18px 20px;
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 18px;
    align-items: center;
}

.detail span {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--accent-soft);
    display: grid;
    place-items: center;
    font-weight: 900;
    color: var(--accent);
}

.detail p {
    margin: 0;
}

.feature-section {
    align-items: center;
}

.feature-image img {
    width: 100%;
    display: block;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

.layout-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin: 28px 0 40px;
}

.gallery-item {
    margin: 0;
}

.gallery-item img {
    width: 100%;
    display: block;
    border: 1px solid var(--line);
    border-radius: 0;
}

.gallery-item figcaption {
    padding: 12px 4px 0;
    font-size: 14px;
    font-weight: 800;
    color: var(--muted);
}

.spec-list {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.spec-list div {
    display: grid;
    grid-template-columns: 220px 1fr;
    border-bottom: 1px solid var(--line);
}

.spec-list div:last-child {
    border-bottom: 0;
}

dt,
dd {
    margin: 0;
    padding: 20px 24px;
}

dt {
    color: var(--muted);
}

dd {
    font-weight: 900;
}

.faq-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
}

.faq-item p {
    margin-bottom: 0;
}

.mini-feature-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.mini-feature-grid div {
    min-height: 96px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--accent-soft);
    display: flex;
    align-items: center;
    color: var(--text);
    font-weight: 900;
    line-height: 1.25;
}

.demo-section {
    overflow: hidden;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.demo-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    cursor: pointer;
    transition: 0.2s ease;
}

.demo-card:hover,
.demo-card:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(15, 23, 42, 0.2);
}

.demo-card:focus-visible {
    outline: 3px solid rgba(15, 23, 42, 0.18);
    outline-offset: 4px;
}

.demo-video {
    position: relative;
    overflow: hidden;
    background: #ffffff;
    aspect-ratio: 16 / 9;
}

.demo-video video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    background: #ffffff;
}

.demo-content {
    padding: 22px;
}

.demo-content span {
    display: block;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.demo-content h3 {
    margin-bottom: 10px;
}

.demo-content p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.video-modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: grid;
    place-items: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}

.video-modal.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.video-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.72);
    backdrop-filter: blur(10px);
}

.video-modal-panel {
    position: relative;
    z-index: 1;
    width: min(1100px, calc(100vw - 48px));
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    background: var(--surface);
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.32);
    overflow: hidden;
}

.video-modal-panel video {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
    background: #ffffff;
}

.video-modal-panel h3 {
    margin: 0;
    padding: 16px 20px;
}

.video-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.76);
    color: white;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

body.modal-open {
    overflow: hidden;
}

.articles-section {
    margin-top: 20px;
}

.article-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

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

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

.article-group + .article-group {
    margin-top: 36px;
}

.article-group-header {
    max-width: 760px;
    margin-bottom: 18px;
}

.article-group-header h3 {
    margin-bottom: 8px;
    font-size: 24px;
}

.article-group-header p {
    color: var(--muted);
    line-height: 1.6;
}

.article-card a {
    min-height: 100%;
    display: block;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    transition: 0.2s ease;
}

.article-card a:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 23, 42, 0.18);
}

.article-card span {
    display: block;
    margin-bottom: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 11px;
    font-weight: 900;
}

.article-card h3 {
    margin-bottom: 12px;
}

.article-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.transparency-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.transparency-item {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.transparency-item h3 {
    margin-bottom: 10px;
}

.transparency-item p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.contact {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 32px;
    padding: 42px;
}

.contact-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
    align-items: center;
}

.contact-copy {
    max-width: 720px;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
}

.contact-actions .button {
    width: 100%;
    margin-top: 0;
    justify-content: center;
    white-space: nowrap;
}

.email {
    display: inline-block;
    margin-top: 12px;
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.04em;
}

.contact .button {
    margin-top: 22px;
}

.site-footer {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    padding: 40px 0;
    border-top: 1px solid var(--line);
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 14px;
}

@media (max-width: 1000px) {
    .hero,
    .split {
        grid-template-columns: 1fr;
    }

    .hero {
        gap: 30px;
    }

    .hero-image {
        padding: 18px;
    }

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

    .layout-gallery {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .faq-list {
        grid-template-columns: 1fr;
    }

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

    .article-card-grid,
    .article-card-grid-2,
    .article-card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .demo-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item img {
        width: 100%;
    }
}

.article-hero {
    margin-bottom: 70px;
}

.article-content {
    width: min(760px, calc(100% - 40px));
    margin: 0 auto 90px;
}

.article-content h2 {
    margin-top: 64px;
    margin-bottom: 20px;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.06;
    letter-spacing: -0.045em;
    scroll-margin-top: 120px;
}

.article-content a {
    color: var(--accent);
    font-weight: 800;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.article-content p,
.article-content li {
    color: var(--text);
    font-size: 18px;
    line-height: 1.75;
}

.article-content ul {
    padding-left: 24px;
}

.article-toc {
    margin: 0 0 56px;
    padding: 24px 28px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
}

.article-toc p {
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 900;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.article-toc ol {
    margin: 0;
    padding-left: 22px;
    display: grid;
    gap: 8px;
}

.article-toc li {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.45;
}

.article-toc a {
    color: var(--text);
    font-weight: 800;
    text-decoration: none;
}

.payout-box {
    margin: 42px 0;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
}

.payout-box h3 {
    margin-bottom: 20px;
}

.payout-box dl {
    margin: 0;
    border-top: 1px solid var(--line);
}

.payout-box div {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 18px;
    border-bottom: 1px solid var(--line);
}

.payout-box dt,
.payout-box dd {
    padding: 14px 0;
}

.payout-box dt {
    font-weight: 900;
}

.payout-box dd {
    color: var(--muted);
    font-weight: 800;
}

.payout-box p {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.55;
}

.comparison-box {
    margin: 42px 0;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
}

.comparison-box.compact {
    padding: 28px;
}

.comparison-box h3 {
    margin-bottom: 18px;
}

.comparison-box table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-box th,
.comparison-box td {
    padding: 18px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    font-size: 15px;
    line-height: 1.45;
}

.comparison-box th {
    color: var(--text);
    font-weight: 900;
    background: #fbfbf9;
}

.comparison-box td {
    color: var(--muted);
    font-weight: 700;
}

.comparison-box tr:last-child td {
    border-bottom: 0;
}

.comparison-box ul,
.check-list {
    margin: 0;
    padding-left: 22px;
}

.comparison-box li,
.check-list li {
    margin-bottom: 8px;
}

.comparison-box li:last-child,
.check-list li:last-child {
    margin-bottom: 0;
}

.check-list {
    margin: 28px 0 0;
    display: grid;
    gap: 8px;
}

.article-note {
    margin: 32px 0;
    padding: 24px 28px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
}

.article-note p:last-child {
    margin-bottom: 0;
}

.small-note {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
}

.review-block {
    margin-top: 76px;
}

.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin: 28px 0 0;
}

.pros-cons > div {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
}

.pros-cons h3 {
    margin-bottom: 14px;
}

.pros-cons ul {
    margin: 0;
    padding-left: 22px;
}

.pros-cons li {
    margin-bottom: 8px;
}

.pros-cons li:last-child {
    margin-bottom: 0;
}

.source-list {
    margin: 28px 0;
    padding-left: 22px;
}

.source-list li {
    margin-bottom: 10px;
}

.article-layout-gallery {
    margin-top: 34px;
    margin-bottom: 16px;
}

.article-layout-gallery .gallery-item img {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.article-caption {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
}

.article-faq {
    margin-top: 76px;
    scroll-margin-top: 120px;
}

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

.article-faq .faq-item {
    border-radius: 18px;
    padding: 24px;
}

.article-faq .faq-item p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.6;
}

.article-product {
    margin-top: 100px;
}

.article-product .price-card .lead-small {
    color: rgba(255, 255, 255, 0.76);
}

.article-product .price-card .price-strip {
    background: #ffffff;
    color: var(--text);
}

.article-product .price-card .price-strip span {
    color: var(--muted);
}

.article-product .price-card .price-strip strong {
    color: var(--text);
}

.article-content .article-product .button {
    color: inherit;
    text-decoration: none;
}

.article-content .article-product .button.primary {
    color: #ffffff;
}

.article-content .article-product .button.secondary {
    color: var(--text);
}

.article-header {
    justify-content: space-between;
}

.back-link {
    font-size: 14px;
    font-weight: 700;
    color: var(--muted);
    transition: .2s ease;
}

.back-link:hover {
    color: var(--text);
}

.article-image {
    margin: 56px 0;
}

.article-image img {
    width: 100%;
    display: block;
    border-radius: 0;
}

@media (max-width: 760px) {
    .site-header {
        width: min(var(--max), calc(100% - 28px));
        padding: 18px 0;
    }

    .nav {
        display: none;
    }

    .logo {
        font-size: 22px;
    }

    .hero,
    .section,
    .site-footer {
        width: min(var(--max), calc(100% - 28px));
    }

    .hero {
        margin: 28px auto 72px;
    }

    h1 {
        font-size: clamp(42px, 14vw, 64px);
    }

    .article-hero h1 {
        font-size: clamp(40px, 12vw, 58px);
    }

    h2 {
        font-size: clamp(32px, 11vw, 46px);
    }

    .lead {
        font-size: 18px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .button {
        text-align: center;
    }

    .price-strip {
        width: 100%;
        justify-content: space-between;
    }

    .grid.cards {
        grid-template-columns: 1fr;
    }

    .mini-feature-grid,
    .transparency-grid {
        grid-template-columns: 1fr;
    }

    .article-card-grid,
    .article-card-grid-2,
    .article-card-grid-4 {
        grid-template-columns: 1fr;
    }

    .pros-cons {
        grid-template-columns: 1fr;
    }

    .detail {
        grid-template-columns: 44px 1fr;
        gap: 14px;
        padding: 16px;
    }

    .detail span {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }

    .spec-list div {
        grid-template-columns: 1fr;
    }

    dt {
        padding: 18px 20px 4px;
    }

    dd {
        padding: 4px 20px 18px;
    }

    .payout-box div {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 14px 0;
    }

    .payout-box dt,
    .payout-box dd {
        padding: 0;
    }

    .comparison-box {
        overflow: visible;
    }

    .comparison-box table {
        min-width: 0;
        display: block;
    }

    .comparison-box thead {
        display: none;
    }

    .comparison-box tbody,
    .comparison-box tr,
    .comparison-box td {
        display: block;
    }

    .comparison-box tr {
        padding: 18px;
        border-bottom: 1px solid var(--line);
    }

    .comparison-box tr:last-child {
        border-bottom: 0;
    }

    .comparison-box td {
        padding: 8px 0;
        border-bottom: 0;
        display: grid;
        grid-template-columns: 110px 1fr;
        gap: 12px;
    }

    .comparison-box td::before {
        content: attr(data-label);
        color: var(--text);
        font-weight: 900;
    }

    .comparison-box.compact {
        overflow-x: visible;
    }

    .comparison-box.compact ul {
        min-width: 0;
    }

    .contact {
        padding: 28px;
    }

    .contact-card {
        grid-template-columns: 1fr;
    }

    .contact-actions {
        width: 100%;
    }

    .contact-actions .button {
        width: 100%;
    }

    .email {
        font-size: 20px;
        word-break: break-word;
    }

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