*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --white: #FFFFFF;
    --black: #000000;
    --grey-900: #111827;
    --grey-700: #374151;
    --grey-500: #6B7280;
    --grey-400: #6B7280;
    --grey-300: #D1D5DB;
    --grey-200: #E5E7EB;
    --grey-100: #F3F4F6;
    --grey-50: #F9FAFB;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--grey-500);
    background: var(--white);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a {
    text-underline-offset: 3px;
}

main {
    padding-top: 60px;
}

.seo-breadcrumb {
    display: flex;
    gap: 8px;
    width: min(1200px, calc(100% - 96px));
    margin: 0 auto;
    padding-top: 30px;
    color: var(--grey-400);
    font-size: 12px;
}

.seo-breadcrumb a {
    color: var(--brand-blue);
    font-weight: 600;
    text-decoration: none;
}

.seo-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: 72px 48px 88px;
    text-align: center;
    border-bottom: 1px solid var(--grey-200);
}

.seo-hero::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 0;
    opacity: 0.72;
    background:
        radial-gradient(circle at 14% 20%, var(--brand-green-light) 0, transparent 26%),
        radial-gradient(circle at 86% 24%, var(--brand-blue-light) 0, transparent 28%),
        radial-gradient(circle at 50% 100%, var(--brand-yellow-light) 0, transparent 33%);
}

.seo-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    min-height: 28px;
    margin-bottom: 22px;
    padding: 4px 13px;
    color: var(--grey-700);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--brand-green);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.1em;
    text-align: center;
    text-transform: uppercase;
    white-space: normal;
}

h1 {
    max-width: 940px;
    margin: 0 auto;
    color: var(--black);
    font-size: clamp(38px, 5vw, 58px);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.seo-lead {
    max-width: 770px;
    margin: 24px auto 0;
    color: var(--grey-700);
    font-size: clamp(16px, 2vw, 19px);
    line-height: 1.7;
}

.seo-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.seo-primary,
.seo-secondary,
.seo-register,
.seo-product-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 7px 18px;
    color: var(--grey-900);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--brand-blue);
    border-radius: 20px;
    box-shadow: 0 1px 0 0 #94A3B8;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.35;
    text-align: center;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.seo-primary {
    border-color: var(--brand-yellow);
}

.seo-primary:hover {
    background: var(--brand-yellow-light);
}

.seo-secondary:hover {
    background: var(--brand-blue-light);
}

.seo-register {
    border-color: var(--brand-green);
}

.seo-register:hover {
    background: var(--brand-green-light);
}

.seo-primary:hover,
.seo-secondary:hover,
.seo-register:hover,
.seo-product-cta:hover {
    transform: translateY(-1px);
}

.seo-primary:focus-visible,
.seo-secondary:focus-visible,
.seo-register:focus-visible,
.seo-product-cta:focus-visible,
.seo-breadcrumb a:focus-visible,
.seo-footer a:focus-visible {
    outline: 3px solid var(--brand-blue-light);
    outline-offset: 3px;
}

.seo-free {
    margin-top: 17px;
    color: var(--grey-700);
    font-size: 14px;
}

.seo-free strong {
    color: var(--black);
}

.seo-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: min(680px, 100%);
    margin: 24px auto 0;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--brand-border);
    border-radius: 12px;
    backdrop-filter: blur(8px);
}

.seo-proof div {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    text-align: left;
}

.seo-proof div + div {
    border-left: 1px solid var(--brand-border);
}

.seo-proof strong {
    color: var(--black);
    flex: 0 0 auto;
    font-size: 22px;
    line-height: 1.1;
}

.seo-proof span {
    color: var(--grey-500);
    font-size: 12px;
    line-height: 1.3;
}

.seo-section {
    width: min(1200px, calc(100% - 96px));
    margin: 0 auto;
    padding: 88px 0;
}

.seo-section + .seo-section {
    border-top: 1px solid var(--grey-200);
}

.seo-section > p {
    max-width: 760px;
}

.seo-eyebrow {
    margin-bottom: 10px;
    color: var(--brand-blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

h2 {
    margin-bottom: 16px;
    color: var(--black);
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

h3 {
    margin-bottom: 9px;
    color: var(--grey-900);
    font-size: 18px;
    font-weight: 800;
    line-height: 1.3;
}

p {
    color: var(--grey-500);
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 30px;
}

.seo-grid article,
.seo-products article {
    min-width: 0;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--brand-border);
    border-radius: 8px;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.seo-grid article:hover,
.seo-products article:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.seo-grid article:nth-child(4n + 1) {
    border-color: var(--brand-yellow);
}

.seo-grid article:nth-child(4n + 2) {
    border-color: var(--brand-green);
}

.seo-grid article:nth-child(4n + 3) {
    border-color: var(--brand-blue);
}

.seo-grid article:nth-child(4n + 4) {
    border-color: var(--brand-violet);
}

.seo-grid h3 {
    color: var(--grey-900);
}

.seo-module-number {
    display: block;
    margin-bottom: 12px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1;
}

.seo-grid article:nth-child(4n + 1) .seo-module-number {
    color: var(--brand-yellow);
}

.seo-grid article:nth-child(4n + 2) .seo-module-number {
    color: var(--brand-green);
}

.seo-grid article:nth-child(4n + 3) .seo-module-number {
    color: var(--brand-blue);
}

.seo-grid article:nth-child(4n + 4) .seo-module-number {
    color: var(--brand-violet);
}

.seo-grid p,
.seo-products p {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
}

.seo-process {
    text-align: center;
}

.seo-process > p {
    margin-right: auto;
    margin-left: auto;
}

.seo-process-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 32px;
    text-align: left;
}

.seo-process-grid article {
    padding: 28px;
    background: var(--white);
    border: 1px solid var(--brand-border);
    border-radius: 10px;
}

.seo-process-grid article:nth-child(1) {
    background: var(--brand-yellow-light);
    border-color: var(--brand-yellow);
}

.seo-process-grid article:nth-child(2) {
    background: var(--brand-green-light);
    border-color: var(--brand-green);
}

.seo-process-grid article:nth-child(3) {
    background: var(--brand-blue-light);
    border-color: var(--brand-blue);
}

.seo-step {
    display: block;
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1;
}

.seo-process-grid article:nth-child(1) .seo-step {
    color: var(--brand-yellow);
}

.seo-process-grid article:nth-child(2) .seo-step {
    color: var(--brand-green);
}

.seo-process-grid article:nth-child(3) .seo-step {
    color: var(--brand-blue);
}

.seo-process-grid p {
    font-size: 14px;
}

.seo-sources {
    width: min(1280px, calc(100% - 96px));
}

.seo-source-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 32px;
}

.seo-source-list article {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 14px;
    min-width: 0;
    padding: 17px 20px;
    background: var(--white);
    border: 1px solid var(--brand-border);
    border-radius: 8px;
}

.seo-source-list article:nth-child(4n + 1) {
    border-left-color: var(--brand-yellow);
}

.seo-source-list article:nth-child(4n + 2) {
    border-left-color: var(--brand-green);
}

.seo-source-list article:nth-child(4n + 3) {
    border-left-color: var(--brand-blue);
}

.seo-source-list article:nth-child(4n + 4) {
    border-left-color: var(--brand-violet);
}

.seo-source-list article > span {
    padding-top: 2px;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1;
}

.seo-source-list article:nth-child(4n + 1) > span {
    color: var(--brand-yellow);
}

.seo-source-list article:nth-child(4n + 2) > span {
    color: var(--brand-green);
}

.seo-source-list article:nth-child(4n + 3) > span {
    color: var(--brand-blue);
}

.seo-source-list article:nth-child(4n + 4) > span {
    color: var(--brand-violet);
}

.seo-source-list h3 {
    margin-bottom: 3px;
    font-size: 15px;
}

.seo-source-list p {
    font-size: 13px;
    line-height: 1.55;
}

.seo-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.seo-split > div {
    padding: 30px;
    border: 1px solid var(--brand-border);
    border-radius: 10px;
}

.seo-split > div:first-child {
    background: var(--brand-green-light);
    border-color: var(--brand-green);
}

.seo-split > div:last-child {
    background: var(--brand-violet-light);
    border-color: var(--brand-violet);
}

.seo-split h2 {
    font-size: clamp(24px, 3vw, 32px);
}

.seo-products {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 28px;
}

.seo-products article {
    display: flex;
    flex-direction: column;
}

.seo-products p {
    flex: 1;
}

.seo-tier-label {
    flex: 0 0 auto !important;
    margin-bottom: 10px !important;
    color: var(--grey-400) !important;
    font-size: 11px !important;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.seo-products ul {
    display: grid;
    gap: 8px;
    margin: 20px 0 0;
    padding-left: 18px;
    color: var(--grey-500);
    font-size: 13px;
    line-height: 1.5;
}

.seo-product-preview {
    border-color: var(--brand-yellow) !important;
}

.seo-product-report {
    border-color: var(--brand-green) !important;
}

.seo-product-pro {
    border-color: var(--brand-blue) !important;
}

.seo-product-preview h3 {
    color: #7c692f;
}

.seo-product-report h3 {
    color: #496441;
}

.seo-product-pro h3 {
    color: #365f80;
}

.seo-product-cta {
    align-self: flex-start;
    margin-top: 20px;
    font-size: 13px;
}

.seo-product-preview .seo-product-cta {
    border-color: var(--brand-yellow);
}

.seo-product-preview .seo-product-cta:hover {
    background: var(--brand-yellow-light);
}

.seo-product-report .seo-product-cta {
    border-color: var(--brand-green);
}

.seo-product-report .seo-product-cta:hover {
    background: var(--brand-green-light);
}

.seo-product-pro .seo-product-cta {
    border-color: var(--brand-blue);
}

.seo-product-pro .seo-product-cta:hover {
    background: var(--brand-blue-light);
}

.seo-comparison {
    margin-top: 36px;
    overflow-x: auto;
    border: 1px solid var(--brand-border);
    border-radius: 10px;
}

.seo-comparison:focus-visible {
    outline: 3px solid var(--brand-blue-light);
    outline-offset: 3px;
}

.seo-comparison table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    background: var(--white);
    color: var(--grey-700);
    font-size: 13px;
    text-align: left;
}

.seo-comparison caption {
    padding: 18px 20px;
    color: var(--black);
    font-size: 16px;
    font-weight: 800;
    text-align: left;
}

.seo-comparison th,
.seo-comparison td {
    padding: 13px 18px;
    border-top: 1px solid var(--grey-200);
    vertical-align: top;
}

.seo-comparison thead th {
    color: var(--grey-900);
    background: var(--grey-50);
    font-size: 12px;
}

.seo-comparison tbody th {
    width: 34%;
    color: var(--grey-900);
    font-weight: 700;
}

.seo-comparison tbody tr:nth-child(even) {
    background: color-mix(in srgb, var(--brand-blue-light) 22%, var(--white));
}

.seo-availability {
    max-width: 940px !important;
    margin-top: 16px;
    color: var(--grey-500);
    font-size: 12px;
}

.seo-faq details {
    max-width: 920px;
    background: var(--white);
    border-bottom: 1px solid var(--grey-200);
}

.seo-faq details:first-of-type {
    margin-top: 24px;
    border-top: 1px solid var(--grey-200);
}

.seo-faq summary {
    padding: 19px 4px;
    color: var(--grey-900);
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
}

.seo-faq details[open] summary {
    color: var(--brand-blue);
}

.seo-faq details p {
    max-width: 780px;
    padding: 0 4px 20px;
}

.seo-final {
    width: min(1104px, calc(100% - 96px));
    margin: 12px auto 88px;
    padding: 48px;
    text-align: center;
    background:
        linear-gradient(135deg, var(--brand-blue-light), var(--white) 52%, var(--brand-yellow-light));
    border: 1px solid var(--brand-blue);
    border-radius: 12px;
}

.seo-final p {
    margin: 0 0 22px;
    color: var(--grey-700);
}

.seo-final-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.seo-final-account {
    max-width: 760px;
    margin: 24px auto 0 !important;
    padding-top: 22px;
    border-top: 1px solid var(--brand-border);
    font-size: 14px;
    line-height: 1.65;
}

.seo-final-account strong {
    color: var(--grey-900);
}

.seo-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
    max-width: 1296px;
    margin: 0 auto;
    padding: 32px 48px;
    color: var(--grey-400);
    border-top: 1px solid var(--grey-200);
    font-size: 13px;
}

.seo-footer a {
    color: var(--grey-400);
    text-decoration: none;
    transition: color 0.2s;
}

.seo-footer a:hover {
    color: var(--grey-700);
}

@media (max-width: 820px) {
    main {
        padding-top: 50px;
    }

    .seo-breadcrumb,
    .seo-section,
    .seo-final {
        width: min(100% - 48px, 720px);
    }

    .seo-hero {
        padding: 58px 24px 68px;
    }

    .seo-grid,
    .seo-products,
    .seo-split,
    .seo-process-grid {
        grid-template-columns: 1fr;
    }

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

    .seo-section {
        padding: 68px 0;
    }

    .seo-final {
        margin-bottom: 68px;
        padding: 38px 24px;
    }
}

@media (max-width: 520px) {
    .seo-breadcrumb,
    .seo-section,
    .seo-final {
        width: min(100% - 28px, 480px);
    }

    .seo-breadcrumb {
        padding-top: 22px;
    }

    .seo-hero {
        padding: 44px 14px 54px;
    }

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

    .seo-proof {
        grid-template-columns: 1fr;
    }

    .seo-proof div + div {
        border-top: 1px solid var(--brand-border);
        border-left: 0;
    }

    .seo-primary,
    .seo-secondary,
    .seo-register {
        width: 100%;
    }

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

    .seo-section {
        padding: 52px 0;
    }

    .seo-grid article,
    .seo-products article,
    .seo-split > div,
    .seo-process-grid article {
        padding: 21px;
    }

    .seo-source-list article {
        grid-template-columns: 30px 1fr;
        padding: 15px 16px;
    }

    .seo-final {
        margin-top: 0;
        padding: 32px 20px;
    }

    .seo-footer {
        flex-direction: column;
        align-items: center;
        gap: 8px;
        padding: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .seo-primary,
    .seo-secondary,
    .seo-product-cta,
    .seo-grid article,
    .seo-products article {
        transition: none;
    }
}