:root {
    color-scheme: light;
    --ink: #17202a;
    --muted: #52616b;
    --paper: #f8fafc;
    --surface: #ffffff;
    --line: #c9d4df;
    --primary: #005fcc;
    --primary-dark: #003f88;
    --accent: #b35c00;
    --success-bg: #e7f6ed;
    --success-ink: #185c32;
    --error-bg: #fff0f0;
    --error-ink: #8a1f1f;
    --focus: #111827;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 17px;
    line-height: 1.55;
}

a {
    color: var(--primary-dark);
    text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px clamp(18px, 5vw, 72px);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-weight: 800;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    background: var(--ink);
    color: #fff;
    border-radius: 8px;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-weight: 700;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    align-items: center;
    gap: clamp(28px, 6vw, 82px);
    min-height: calc(100svh - 72px);
    padding: clamp(42px, 8vw, 104px) clamp(18px, 5vw, 72px) clamp(32px, 6vw, 64px);
    background:
        linear-gradient(135deg, rgba(0, 95, 204, 0.1), transparent 48%),
        radial-gradient(circle at 80% 12%, rgba(179, 92, 0, 0.16), transparent 26%),
        var(--surface);
}

.hero-copy {
    max-width: 820px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--accent);
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2 {
    margin: 0;
    line-height: 1.08;
    letter-spacing: 0;
}

h1 {
    overflow-wrap: anywhere;
    font-size: clamp(2.4rem, 8vw, 6.4rem);
}

h2 {
    font-size: clamp(1.7rem, 4vw, 3rem);
}

.lead {
    max-width: 680px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1.22rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 20px;
    border: 2px solid var(--primary-dark);
    border-radius: 8px;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.button.primary {
    background: var(--primary);
    color: #fff;
}

.button.secondary {
    background: #fff;
    color: var(--primary-dark);
}

.domain-panel {
    display: grid;
    gap: 16px;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 20px 55px rgba(23, 32, 42, 0.12);
}

.domain-panel div {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.domain-panel div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.label {
    display: block;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.domain-panel strong {
    display: block;
    margin-top: 4px;
    color: var(--ink);
    font-size: 1.45rem;
    overflow-wrap: anywhere;
}

.value-band,
.offer-section,
.privacy-section {
    padding: clamp(38px, 7vw, 84px) clamp(18px, 5vw, 72px);
}

.value-band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--ink);
}

.value-band article {
    min-height: 190px;
    padding: 28px;
    background: var(--surface);
}

.value-band h2 {
    font-size: 1.35rem;
}

.value-band p,
.section-heading p,
.privacy-text p {
    color: var(--muted);
}

.offer-section {
    background: #eef4fa;
}

.section-heading {
    max-width: 850px;
    margin-bottom: 28px;
}

.notice {
    max-width: 980px;
    margin: 0 0 18px;
    padding: 16px 18px;
    border: 2px solid currentColor;
    border-radius: 8px;
    font-weight: 700;
}

.notice ul {
    margin: 8px 0 0;
}

.notice.success {
    background: var(--success-bg);
    color: var(--success-ink);
}

.notice.error {
    background: var(--error-bg);
    color: var(--error-ink);
}

form {
    max-width: 980px;
    padding: clamp(20px, 4vw, 34px);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
}

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

label,
fieldset {
    min-width: 0;
}

label span,
legend {
    display: block;
    margin-bottom: 7px;
    color: var(--ink);
    font-weight: 800;
}

input,
select,
textarea {
    width: 100%;
    min-height: 48px;
    padding: 11px 12px;
    border: 2px solid #8ea0ad;
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

textarea {
    resize: vertical;
}

fieldset {
    margin: 0;
    padding: 14px;
    border: 2px solid #8ea0ad;
    border-radius: 8px;
}

.choice,
.privacy-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.choice + .choice {
    margin-top: 8px;
}

.choice input,
.privacy-check input {
    width: 20px;
    min-width: 20px;
    height: 20px;
    min-height: 20px;
    margin-top: 4px;
}

.choice span,
.privacy-check span {
    margin: 0;
    font-weight: 700;
}

.wide {
    grid-column: 1 / -1;
}

.privacy-check {
    margin-top: 20px;
}

.submit {
    margin-top: 22px;
}

.hidden-field {
    position: absolute;
    left: -9999px;
}

.privacy-section {
    background: var(--surface);
}

.privacy-text {
    max-width: 980px;
    columns: 2 320px;
    column-gap: 48px;
}

.privacy-text p {
    break-inside: avoid;
    margin-top: 0;
}

footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 14px;
    padding: 26px clamp(18px, 5vw, 72px);
    background: var(--ink);
    color: #fff;
}

footer p {
    margin: 0;
}

footer a {
    color: #fff;
}

@media (max-width: 860px) {
    .site-header {
        position: static;
        align-items: flex-start;
        flex-direction: column;
    }

    .hero,
    .form-grid,
    .value-band {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }
}

@media (max-width: 520px) {
    body {
        font-size: 16px;
    }

    .hero-actions,
    .button {
        width: 100%;
    }

    .button {
        padding-inline: 14px;
    }
}
