:root {
    --color-text: #172235;
    --color-muted: #64748b;
    --color-primary: #0682b4;
    --color-primary-dark: #05698f;
    --color-secondary: #31b7e9;
    --color-border: #dbe5ed;
    --color-surface: #ffffff;
    --color-surface-soft: #f7fbfd;
    --color-background: #f5f9fc;
    --color-success: #16734a;
    --shadow-card: 0 24px 70px rgba(25, 73, 101, 0.12);
    --radius-large: 1.25rem;
    --radius-medium: 0.7rem;
}

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

html {
    font-size: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 1.5rem;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(circle at top right, rgba(49,183,233,.14), transparent 34rem),
        var(--color-background);
    color: var(--color-text);
    font-family: "Open Sans", Arial, sans-serif;
    line-height: 1.6;
}

a {
    color: var(--color-primary);
    text-decoration-thickness: .1em;
    text-underline-offset: .18em;
}

a:hover { color: var(--color-primary-dark); }

a:focus-visible {
    outline: 3px solid rgba(49,183,233,.6);
    outline-offset: 4px;
    border-radius: .25rem;
}

.container {
    width: min(100% - 2rem, 68rem);
    margin-inline: auto;
}

.site-header {
    padding-top: clamp(2rem, 7vw, 5rem);
    text-align: center;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-decoration: none;
    text-transform: uppercase;
}

.brand-mark {
    display: inline-grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border-radius: .55rem;
    background: linear-gradient(135deg,var(--color-primary),var(--color-secondary));
    color: #fff;
    font-size: .9rem;
}

.main { padding: 2rem 0 3rem; }

.hero-card {
    overflow: hidden;
    padding: clamp(2rem, 6vw, 4.5rem);
    border: 1px solid rgba(226,232,240,.9);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
    text-align: center;
}

.eyebrow {
    margin: 0 0 .8rem;
    color: var(--color-primary);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

h1 {
    max-width: 52rem;
    margin: 0 auto 1.25rem;
    font-size: clamp(2.15rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -.04em;
    line-height: 1.12;
}

.intro {
    max-width: 47rem;
    margin: 0 auto;
    color: var(--color-muted);
    font-size: clamp(1rem, 2vw, 1.2rem);
}

.quick-answer {
    max-width: 47rem;
    margin: 1.25rem auto 0;
    padding: .85rem 1.1rem;
    border: 1px solid rgba(6,130,180,.22);
    border-radius: var(--radius-medium);
    background: var(--color-surface-soft);
    color: var(--color-text);
    font-size: .95rem;
    text-align: left;
}

.quick-answer strong { color: var(--color-primary-dark); }

.proof {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: .75rem;
    max-width: 58rem;
    margin: 2rem auto 0;
}

.proof-item {
    padding: .9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: var(--color-surface-soft);
}

.proof-item strong {
    display: block;
    color: var(--color-text);
    font-size: 1rem;
}

.proof-item span {
    display: block;
    margin-top: .15rem;
    color: var(--color-muted);
    font-size: .82rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 1rem;
    margin: 2.75rem 0;
    text-align: left;
}

.feature {
    padding: 1.35rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: #fbfdff;
}

.feature-icon {
    display: grid;
    width: 2.25rem;
    height: 2.25rem;
    margin-bottom: .8rem;
    place-items: center;
    border-radius: 50%;
    background: rgba(49,183,233,.14);
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 700;
}

.feature h2 {
    margin: 0 0 .35rem;
    font-size: 1rem;
    line-height: 1.3;
}

.feature p {
    margin: 0;
    color: var(--color-muted);
    font-size: .9rem;
}

.section {
    max-width: 58rem;
    margin: 0 auto 2.75rem;
    text-align: left;
}

.section h2 {
    margin: 0 0 .75rem;
    font-size: clamp(1.45rem,3vw,2rem);
    letter-spacing: -.025em;
}

.section-intro {
    margin: 0 0 1.25rem;
    color: var(--color-muted);
}

.how-it-works {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 1rem;
}

.step {
    padding: 1.25rem;
    border-left: 3px solid var(--color-secondary);
    background: var(--color-surface-soft);
}

.step-number {
    color: var(--color-primary);
    font-weight: 700;
    font-size: .8rem;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.step h3 {
    margin: .25rem 0 .35rem;
    font-size: 1rem;
}

.step p {
    margin: 0;
    color: var(--color-muted);
    font-size: .9rem;
}

.pricing-box {
    padding: 1.5rem;
    border: 1px solid rgba(6,130,180,.22);
    border-radius: var(--radius-medium);
    background: linear-gradient(135deg,rgba(49,183,233,.08),rgba(6,130,180,.03));
}

.pricing-box strong {
    color: var(--color-text);
}

.pricing-points {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: .7rem 1.5rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.pricing-points li::before {
    content: "✓";
    margin-right: .5rem;
    color: var(--color-success);
    font-weight: 700;
}

.domain-sample-card {
    padding: 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: var(--color-surface-soft);
    text-align: center;
}

.domain-sample-card img {
    max-width: 100%;
    height: auto;
    border-radius: .4rem;
}

.domain-sample-note {
    margin: .9rem 0 0;
    color: var(--color-muted);
    font-size: .85rem;
}

.disclaimer {
    max-width: 58rem;
    margin: 0 auto 2rem;
    padding: 1rem 1.15rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: #fff;
    color: var(--color-muted);
    font-size: .85rem;
    text-align: left;
}

.disclaimer strong { color: var(--color-text); }

.faq details {
    border-top: 1px solid var(--color-border);
    padding: 1rem 0;
}

.faq details:last-child {
    border-bottom: 1px solid var(--color-border);
}

.faq summary {
    cursor: pointer;
    font-weight: 700;
}

.faq p {
    max-width: 52rem;
    margin: .6rem 0 0;
    color: var(--color-muted);
    font-size: .92rem;
}

.cta-wrap { text-align: center; }

.cta {
    display: inline-flex;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    padding: .75rem 1.5rem;
    border-radius: 999px;
    background: var(--color-primary);
    color: #fff;
    font-size: .95rem;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 160ms ease,transform 160ms ease,box-shadow 160ms ease;
}

.cta:hover {
    background: var(--color-primary-dark);
    color: #fff;
    box-shadow: 0 .5rem 1.25rem rgba(6,130,180,.24);
    transform: translateY(-1px);
}

.contact-note {
    margin: 1rem 0 0;
    color: var(--color-muted);
    font-size: .85rem;
}

.contact-note a { font-weight: 700; }

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 0 2rem;
    color: #788695;
    font-size: .8rem;
}

.powered-by {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.powered-by p, .site-footer > p { margin: 0; }

.ontiscal-logo {
    display: block;
    width: clamp(7rem,18vw,9rem);
    height: auto;
}

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

@media (max-width: 760px) {
    .features, .how-it-works, .proof {
        grid-template-columns: 1fr;
    }

    .feature { text-align: center; }
    .feature-icon { margin-inline: auto; }
    .pricing-points { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .container { width: min(100% - 1.25rem,68rem); }
    .main { padding-top: 1.25rem; }
    .hero-card { padding: 1.5rem 1.1rem; }
    .site-footer { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .cta { transition: none; }
}