:root {
    --brand: #2f43c6;
    --brand-dark: #1f2f9d;
    --brand-light: #e9edff;
    --ink: #12172a;
    --muted: #62697c;
    --line: #dfe3ef;
    --surface: #ffffff;
    --shadow: 0 24px 60px rgba(27, 37, 94, 0.12);
    --radius-lg: 28px;
    --radius-md: 18px;
    --max-width: 1180px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background:
        radial-gradient(circle at 78% 4%, rgba(47, 67, 198, 0.16), transparent 30rem),
        linear-gradient(180deg, #f8f9ff 0%, #ffffff 48%, #f7f8fc 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
}

.landing {
    width: min(calc(100% - 32px), var(--max-width));
    margin: 32px auto 0;
}

.hero-shell {
    overflow: hidden;
    padding: 26px;
    border: 1px solid rgba(47, 67, 198, 0.13);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, rgba(255,255,255,0.98), rgba(247,248,255,0.95));
    box-shadow: var(--shadow);
}

.brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 26px;
    border-bottom: 1px solid var(--line);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    font-weight: 750;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.brand-mark {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 6px rgba(47, 67, 198, 0.10);
}

.eyebrow,
.kicker,
.section-kicker {
    color: var(--brand);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
    gap: clamp(34px, 6vw, 76px);
    align-items: center;
    padding: clamp(42px, 5vw, 68px) clamp(10px, 2vw, 28px) 42px;
}

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

.kicker {
    margin: 0 0 16px;
}

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

h1 {
    margin-bottom: 24px;
    font-size: clamp(2.7rem, 5vw, 4.65rem);
    line-height: 0.98;
    letter-spacing: -0.052em;
    font-weight: 800;
}

h1 span {
    display: block;
    color: var(--brand);
}

.hero-intro {
    max-width: 720px;
    margin-bottom: 30px;
    color: var(--muted);
    font-size: clamp(1.03rem, 1.55vw, 1.2rem);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px 22px;
}

.button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 14px 21px;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 750;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button-primary {
    color: #ffffff;
    background: var(--brand);
    box-shadow: 0 12px 28px rgba(47, 67, 198, 0.24);
}

.button-primary:hover {
    transform: translateY(-2px);
    background: var(--brand-dark);
    box-shadow: 0 15px 34px rgba(47, 67, 198, 0.29);
}

.button-primary:focus-visible {
    outline: 3px solid rgba(47, 67, 198, 0.30);
    outline-offset: 4px;
}

.microcopy {
    margin: 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.diagnostic-card {
    position: relative;
    padding: 28px;
    border: 1px solid rgba(47, 67, 198, 0.14);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, #ffffff 0%, #f9faff 100%);
    box-shadow: 0 18px 46px rgba(32, 45, 118, 0.10);
}

.card-number {
    position: absolute;
    top: 22px;
    right: 24px;
    color: rgba(47, 67, 198, 0.20);
    font-size: 2.7rem;
    font-weight: 850;
    letter-spacing: -0.06em;
}

.card-label {
    margin: 0 0 24px;
    padding-right: 60px;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.benefit-list {
    display: grid;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.benefit-list li {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    padding: 16px 0;
    border-top: 1px solid var(--line);
}

.benefit-icon {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 10px;
    color: var(--brand);
    background: var(--brand-light);
    font-size: 0.84rem;
    font-weight: 850;
}

.benefit-list strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.98rem;
    letter-spacing: -0.015em;
}

.benefit-list div span {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.48;
}

.method-note {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
}

.method-note > div {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 26px clamp(10px, 2vw, 28px) 8px;
}

.method-note > div + div {
    border-left: 1px solid var(--line);
}

.method-number {
    color: var(--brand);
    font-size: clamp(1.8rem, 3vw, 2.55rem);
    font-weight: 850;
    letter-spacing: -0.05em;
}

.method-text {
    color: var(--muted);
    font-size: 0.88rem;
}

.scope-section {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(40px, 7vw, 90px);
    padding: clamp(72px, 9vw, 120px) clamp(8px, 2vw, 26px);
}

.section-kicker {
    margin-bottom: 14px;
}

.scope-section h2 {
    max-width: 560px;
    margin-bottom: 0;
    font-size: clamp(2rem, 4.4vw, 3.55rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
}

.scope-copy {
    align-self: end;
}

.scope-copy p {
    color: var(--muted);
    font-size: 1.03rem;
    line-height: 1.74;
}

.scope-copy p:last-child {
    margin-bottom: 0;
}

.site-footer {
    display: flex;
    width: min(calc(100% - 32px), var(--max-width));
    justify-content: space-between;
    gap: 20px;
    margin: 0 auto;
    padding: 24px 0 34px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.82rem;
}

@media (max-width: 900px) {
    .hero-grid,
    .scope-section {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        padding-top: 52px;
    }

    .diagnostic-card {
        max-width: 680px;
    }

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

@media (max-width: 640px) {
    .landing {
        width: min(calc(100% - 20px), var(--max-width));
        margin-top: 10px;
    }

    .hero-shell {
        padding: 18px;
        border-radius: 20px;
    }

    .brand-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .hero-grid {
        gap: 38px;
        padding: 42px 0 28px;
    }

    h1 {
        font-size: clamp(2.55rem, 13vw, 4rem);
    }

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

    .button {
        width: 100%;
    }

    .diagnostic-card {
        padding: 22px 20px;
    }

    .method-note {
        grid-template-columns: 1fr;
    }

    .method-note > div {
        padding: 18px 0;
    }

    .method-note > div + div {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .scope-section {
        padding: 68px 2px;
    }

    .site-footer {
        width: min(calc(100% - 20px), var(--max-width));
        flex-direction: column;
        gap: 7px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo {
    display: block;
    width: 58px;
    height: auto;
    max-width: none;
    object-fit: contain;
}