:root {
    --blue-700: #0f4f93;
    --blue-600: #1565c0;
    --gold-500: #f9a825;
    --ink-900: #102a43;
    --ink-700: #35516b;
    --ink-500: #5a738c;
    --surface: #ffffff;
    --line: rgba(16, 42, 67, 0.11);
    --shadow-card: 0 10px 26px rgba(16, 42, 67, 0.06);
    --radius-xl: 22px;
    --radius-md: 14px;
    --container: min(1100px, calc(100vw - 32px));
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Tahoma, Geneva, sans-serif;
    color: var(--ink-900);
    background:
        radial-gradient(circle at top left, rgba(249, 168, 37, 0.16), transparent 20rem),
        radial-gradient(circle at top right, rgba(21, 101, 192, 0.14), transparent 24rem),
        linear-gradient(180deg, #eef5fc 0%, #f8fbff 28%, #ffffff 100%);
}

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

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

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hero-grid,
.content-section,
.site-footer {
    width: var(--container);
    margin: 0 auto;
}

.site-header {
    width: 100%;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    padding: 18px clamp(18px, 3vw, 36px);
    background: rgba(248, 252, 255, 0.92);
    border-bottom: 1px solid rgba(16, 42, 67, 0.08);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
}

.brand-mark img {
    width: 180px;
    height: auto;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
}

.site-nav a {
    color: var(--ink-700);
    font-size: 14px;
    font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--blue-700);
    outline: none;
}

.header-cta,
.button,
.focus-card-link {
    transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 16px;
    background: var(--ink-900);
    color: #fff;
    border-radius: 999px;
    font-weight: 700;
    font-size: 14px;
}

.header-cta:hover,
.header-cta:focus-visible,
.button:hover,
.button:focus-visible,
.focus-card-link:hover,
.focus-card-link:focus-visible {
    transform: translateY(-1px);
    outline: none;
}

.hero-section {
    position: relative;
    padding: 52px 0 72px;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 360px;
    background:
        radial-gradient(circle at 30% 40%, rgba(21, 101, 192, 0.08), transparent 19rem),
        radial-gradient(circle at 70% 20%, rgba(249, 168, 37, 0.1), transparent 18rem);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(380px, 440px);
    gap: 40px;
    align-items: center;
}

.hero-copy {
    padding-top: 0;
}

.hero-title,
.signup-card h2,
.section-heading h2 {
    margin: 0;
    line-height: 0.96;
    letter-spacing: -0.05em;
}

.hero-title {
    max-width: 8ch;
    font-size: clamp(3rem, 5.5vw, 5.4rem);
}

.hero-title span {
    color: var(--blue-600);
}

.hero-summary,
.hero-note,
.card-summary,
.section-heading p,
.focus-card p,
.faq-item p,
.site-footer p,
.form-meta {
    color: var(--ink-700);
    line-height: 1.7;
}

.hero-summary {
    max-width: 46ch;
    margin: 22px 0 0;
    font-size: 18px;
}

.hero-note {
    margin: 18px 0 0;
    color: var(--ink-500);
    font-size: 15px;
}

.signup-card,
.focus-card,
.faq-item,
.placeholder-card {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
}

.signup-card {
    padding: 28px;
}

.signup-card-featured {
    border-top: 5px solid var(--gold-500);
    background: rgba(249, 252, 255, 0.94);
}

.signup-trust {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.avatar-stack {
    display: flex;
    align-items: center;
    padding-left: 10px;
}

.avatar-stack img {
    width: 42px;
    height: 42px;
    margin-left: -10px;
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.94);
    object-fit: cover;
    box-shadow: 0 8px 16px rgba(16, 42, 67, 0.08);
}

.signup-trust-copy {
    margin: 0;
    color: var(--ink-700);
    font-size: 14px;
    line-height: 1.5;
    font-weight: 400;
}

.signup-card h2 {
    font-size: clamp(1.95rem, 4vw, 2.6rem);
}

.card-summary {
    margin: 14px 0 22px;
}

.signup-form {
    display: grid;
    gap: 18px;
}

.field-grid {
    display: grid;
    grid-template-columns: 1fr;
    row-gap: 12px;
}

.field-grid[hidden],
.form-actions[hidden] {
    display: none;
}

.field {
    display: grid;
    gap: 8px;
    min-width: 0;
}

.field-shell {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 58px;
    padding: 0 16px;
    border: 1px solid rgba(16, 42, 67, 0.14);
    border-radius: 999px;
    background: var(--surface);
    transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.field-shell:focus-within {
    border-color: rgba(21, 101, 192, 0.4);
    box-shadow: 0 0 0 3px rgba(249, 168, 37, 0.18);
}

.field-shell:has(input[aria-invalid="true"]),
.field-shell:has(select[aria-invalid="true"]) {
    border-color: #c64747;
    background: rgba(255, 244, 244, 0.9);
}

.field-shell-select {
    position: relative;
}

.country-trigger {
    width: 100%;
    min-height: 56px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--ink-900);
    text-align: left;
}

.country-trigger:disabled {
    cursor: wait;
}

.country-trigger-flag {
    font-size: 18px;
    line-height: 1;
}

.country-trigger-label {
    flex: 1;
    color: var(--ink-900);
}

.country-trigger[data-placeholder="true"] .country-trigger-label {
    color: var(--ink-500);
}

.field-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    fill: rgba(53, 81, 107, 0.78);
}

.field-chevron {
    color: var(--ink-500);
    font-size: 16px;
    pointer-events: none;
    transition: transform 180ms ease;
}

.field-shell-select[data-open="true"] .field-chevron {
    transform: rotate(180deg);
}

.country-menu {
    position: absolute;
    left: 14px;
    right: 14px;
    top: calc(100% + 8px);
    z-index: 30;
    max-height: 240px;
    overflow-y: auto;
    padding: 8px;
    border: 1px solid rgba(16, 42, 67, 0.12);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 18px 34px rgba(16, 42, 67, 0.12);
    backdrop-filter: blur(14px);
}

.country-menu[hidden] {
    display: none;
}

.country-option {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 0;
    border-radius: 14px;
    background: transparent;
    color: var(--ink-900);
    text-align: left;
}

.country-option:hover,
.country-option:focus-visible {
    background: rgba(21, 101, 192, 0.08);
    outline: none;
}

.country-option[data-selected="true"] {
    background: rgba(21, 101, 192, 0.1);
    color: var(--blue-700);
}

.country-option-flag {
    width: 20px;
    flex: 0 0 20px;
    text-align: center;
    font-size: 18px;
    line-height: 1;
}

.country-option-label {
    flex: 1;
}

.country-option-check {
    font-size: 14px;
    color: var(--blue-600);
    opacity: 0;
}

.country-option[data-selected="true"] .country-option-check {
    opacity: 1;
}

.field input,
.field select {
    flex: 1;
    width: 100%;
    min-height: 56px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--ink-900);
}

.field input::placeholder {
    color: var(--ink-500);
}

.field select {
    appearance: none;
    padding-right: 8px;
}

.field input:focus-visible,
.field select:focus-visible,
summary:focus-visible,
.focus-card-link:focus-visible {
    outline: none;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"] {
    background: transparent;
}

.field-error {
    margin: 0;
    color: #b93838;
    font-size: 13px;
}

.field-error:empty {
    display: none;
}

.field-error:not(:empty) {
    min-height: 18px;
}

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

.form-success {
    display: grid;
    justify-items: center;
    gap: 10px;
    padding: 10px 6px 2px;
    text-align: center;
}

.form-success[hidden] {
    display: none;
}

.success-icon {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: rgba(21, 101, 192, 0.08);
    color: var(--ink-900);
}

.success-icon svg {
    width: 30px;
    height: 30px;
    fill: currentColor;
}

.form-success-title {
    margin: 0;
    font-size: 28px;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.form-success-copy {
    max-width: 32ch;
    margin: 0;
    color: var(--ink-700);
    line-height: 1.7;
    font-size: 14px;
}

.form-meta,
.form-status {
    margin: 0;
    font-size: 14px;
}

.form-status {
    line-height: 1.5;
}

.form-status:empty {
    display: none;
}

.form-status:not(:empty) {
    min-height: 22px;
}

.form-status[data-state="pending"] {
    color: var(--blue-700);
}

.form-status[data-state="success"] {
    color: #146a3d;
}

.form-status[data-state="error"] {
    color: #9d2b2b;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 14px 22px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 700;
}

.button-primary {
    background: var(--blue-600);
    color: #fff;
    box-shadow: 0 16px 30px rgba(21, 101, 192, 0.2);
}

.button-submit[disabled] {
    cursor: wait;
    opacity: 0.78;
}

.content-section {
    padding: 0 0 72px;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 26px;
}

.section-heading h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.section-heading p {
    margin: 14px 0 0;
    font-size: 18px;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.focus-card {
    min-height: 220px;
    padding: 24px;
}

.focus-card-link {
    display: block;
}

.focus-card-link:hover,
.focus-card-link:focus-visible {
    border-color: rgba(21, 101, 192, 0.2);
    box-shadow: 0 14px 30px rgba(16, 42, 67, 0.08);
}

.focus-eyebrow {
    margin: 0 0 14px;
    color: var(--blue-700);
    font-family: "Century Gothic", CenturyGothic, AppleGothic, sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.focus-card h3 {
    margin: 0 0 12px;
    font-size: 25px;
    line-height: 1.14;
    letter-spacing: -0.03em;
}

.page-hero {
    padding: 44px 0 72px;
}

.page-hero .hero-grid {
    align-items: stretch;
}

.page-copy-stack {
    display: grid;
    gap: 24px;
    padding-top: 8px;
}

.article-page-copy {
    height: 100%;
    align-content: start;
}

.article-page-copy .section-heading,
.article-page-copy .article-highlight {
    max-width: 760px;
}

.page-title {
    margin: 0;
    line-height: 1.02;
    letter-spacing: -0.05em;
    font-size: clamp(2.2rem, 4vw, 3.5rem);
}

.page-subtitle {
    margin: 10px 0 0;
    color: var(--ink-700);
    font-size: clamp(1.05rem, 1.8vw, 1.4rem);
    line-height: 1.5;
    font-weight: 700;
    max-width: 34ch;
}

.article-highlight {
    display: grid;
    gap: 12px;
    margin-top: auto;
    background: rgba(247, 250, 253, 0.96);
}

.article-highlight p {
    margin: 0;
}

.placeholder-card {
    width: 100%;
    margin: 0;
    padding: 28px;
}

.placeholder-card p {
    margin: 0;
    color: var(--ink-700);
    line-height: 1.7;
}

.placeholder-card p + p {
    margin-top: 14px;
}

.article-shell {
    width: var(--container);
    margin: 0 auto;
}

.article-body {
    width: 90%;
    margin: 0 auto;
    display: grid;
    gap: 30px;
}

.article-intro,
.article-block {
    display: grid;
    gap: 16px;
}

.article-body h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3.2vw, 2.5rem);
    line-height: 1.06;
    letter-spacing: -0.04em;
}

.article-body p,
.article-body li {
    margin: 0;
    color: var(--ink-700);
    font-size: 17px;
    line-height: 1.8;
}

.article-body strong {
    color: var(--ink-900);
}

.article-body a {
    color: var(--blue-600);
    text-decoration: underline;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.16em;
}

.article-body a:hover,
.article-body a:focus-visible {
    color: var(--blue-700);
    outline: none;
}

.article-facts-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.article-fact-card,
.article-table-wrap {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
}

.article-fact-card {
    padding: 18px 20px;
}

.article-fact-label {
    margin: 0 0 8px;
    color: var(--ink-500);
    font-size: 13px;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.article-fact-value {
    margin: 0;
    color: var(--ink-900);
    font-size: 18px;
    line-height: 1.4;
    font-weight: 700;
}

.article-table-wrap {
    overflow-x: auto;
    padding: 8px;
}

.article-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.article-table th,
.article-table td {
    padding: 16px 18px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(16, 42, 67, 0.08);
}

.article-table th {
    color: var(--ink-900);
    font-size: 14px;
    line-height: 1.4;
    font-weight: 700;
}

.article-table td {
    color: var(--ink-700);
    font-size: 15px;
    line-height: 1.65;
}

.article-table tbody tr:last-child td {
    border-bottom: 0;
}

.article-list,
.article-source-list {
    margin: 0;
    padding-left: 1.25rem;
    display: grid;
    gap: 10px;
}

.article-source-list li::marker,
.article-list li::marker {
    color: var(--blue-600);
}

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

.faq-item {
    padding: 18px 22px;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 700;
}

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

.faq-item summary::after {
    content: "+";
    float: right;
    color: var(--blue-700);
    font-size: 24px;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    margin: 14px 0 0;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 0 0 40px;
    font-size: 14px;
}

.site-footer p {
    margin: 0;
}

.reveal {
    animation: rise-in 680ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1020px) {
    .hero-grid,
    .focus-grid {
        grid-template-columns: 1fr;
    }

    .article-facts-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-copy {
        padding-top: 12px;
    }

    .hero-title {
        max-width: 10ch;
    }
}

@media (max-width: 860px) {
    .site-header {
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }

    .site-nav {
        width: auto;
        justify-content: center;
        gap: 16px;
    }

    .signup-trust {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .article-body {
        max-width: none;
    }
}

@media (max-width: 640px) {
    .hero-grid,
    .content-section,
    .site-footer {
        width: min(100vw - 20px, 1100px);
    }

    .site-header {
        padding: 14px 16px;
    }

    .site-nav {
        gap: 12px;
    }

    .hero-section {
        padding: 34px 0 58px;
    }

    .hero-title {
        max-width: none;
        font-size: clamp(2.6rem, 12vw, 4rem);
    }

    .hero-summary,
    .section-heading p {
        font-size: 16px;
    }

    .signup-card,
    .focus-card,
    .faq-item,
    .placeholder-card,
    .article-fact-card,
    .article-table-wrap {
        padding: 18px;
        border-radius: 20px;
    }

    .article-facts-grid {
        grid-template-columns: 1fr;
    }

    .article-body p,
    .article-body li {
        font-size: 16px;
    }

    .article-table th,
    .article-table td {
        padding: 14px 12px;
    }

    .button,
    .button-submit {
        width: 100%;
    }

    .site-footer {
        flex-direction: column;
        padding-bottom: 28px;
    }
}