:root {
    --color-primary: #1f2937;
    --color-primary-hover: #111827;
    --color-secondary: #64748b;
    --color-background: #ffffff;
    --color-surface: #f8fafc;
    --color-heading: #0f172a;
    --color-text: #334155;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-focus: #2563eb;

    --font-heading: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    --font-size-body: 1rem;
    --line-height-body: 1.6;
    --line-height-heading: 1.15;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --space-9: 6rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --shape-radius: var(--radius-md);

    --shadow-card: 0 0.5rem 1.5rem rgb(15 23 42 / 0.08);
    --component-border-width: 1px;
    --button-background: var(--color-primary);
    --button-border: var(--color-primary);
    --button-color: #ffffff;
    --button-hover-background: var(--color-primary-hover);
    --button-hover-border: var(--color-primary-hover);
    --button-hover-color: #ffffff;

    --section-space: var(--space-8);
    --container-max-width: 82.5rem;
    --motion-duration: 180ms;
    --motion-easing: ease;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-heading);
    font-family: var(--font-heading);
    line-height: var(--line-height-heading);
    text-wrap: balance;
}

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

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

img {
    height: auto;
    max-width: 100%;
}

.container {
    max-width: var(--container-max-width);
}

:focus-visible {
    outline: 0.1875rem solid var(--color-focus);
    outline-offset: 0.1875rem;
}

.skip-link {
    background: var(--color-background);
    color: var(--color-heading);
    left: var(--space-4);
    padding: var(--space-3) var(--space-4);
    position: fixed;
    top: var(--space-4);
    transform: translateY(-200%);
    z-index: 10000;
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header,
.site-footer {
    border-color: var(--color-border);
}

.site-header {
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner,
.site-footer__inner {
    align-items: center;
    display: flex;
    gap: var(--space-5);
    justify-content: space-between;
    min-height: 5rem;
}

.site-nav__menu,
.site-footer__menu {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    list-style: none;
    margin: 0;
    padding: 0;
}

.one-section {
    padding-block: var(--section-space);
}

.one-surface {
    background: var(--color-surface);
}

.one-shape {
    border-radius: var(--shape-radius);
}

.one-card {
    background: var(--color-background);
    border: var(--component-border-width) solid var(--color-border);
    border-radius: var(--shape-radius);
    box-shadow: var(--shadow-card);
}

.button {
    align-items: center;
    border: 1px solid transparent;
    border-radius: var(--shape-radius);
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-weight: 600;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.65rem 1.1rem;
    text-decoration: none;
    transition:
        background-color var(--motion-duration) var(--motion-easing),
        border-color var(--motion-duration) var(--motion-easing),
        color var(--motion-duration) var(--motion-easing);
}

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

.button--primary:hover {
    background: var(--button-hover-background);
    border-color: var(--button-hover-border);
    color: var(--button-hover-color);
}

.one-radius-sharp {
    --radius-sm: 0;
    --radius-md: 0;
    --radius-lg: 0;
}

.one-radius-soft {
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

.one-radius-medium {
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
}

.one-radius-strong {
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 2rem;
}

.one-radius-extra {
    --radius-sm: 0.75rem;
    --radius-md: 1.5rem;
    --radius-lg: 3rem;
}

.one-corners-all {
    --shape-radius: var(--radius-md);
}

.one-corners-diagonal-a {
    --shape-radius: var(--radius-md) 0 var(--radius-md) 0;
}

.one-corners-diagonal-b {
    --shape-radius: 0 var(--radius-md) 0 var(--radius-md);
}

.one-corners-top {
    --shape-radius: var(--radius-md) var(--radius-md) 0 0;
}

.one-corners-bottom {
    --shape-radius: 0 0 var(--radius-md) var(--radius-md);
}


.one-container-compact {
    --container-max-width: 68rem;
}

.one-container-standard {
    --container-max-width: 82.5rem;
}

.one-container-wide {
    --container-max-width: 96rem;
}

.one-spacing-compact {
    --section-space: var(--space-6);
}

.one-spacing-standard {
    --section-space: var(--space-8);
}

.one-spacing-relaxed {
    --section-space: var(--space-9);
}

.one-shadow-none {
    --shadow-card: none;
}

.one-shadow-subtle {
    --shadow-card: 0 0.5rem 1.5rem rgb(15 23 42 / 0.08);
}

.one-shadow-standard {
    --shadow-card: 0 0.75rem 2rem rgb(15 23 42 / 0.14);
}

.one-shadow-strong {
    --shadow-card: 0 1rem 2.75rem rgb(15 23 42 / 0.2);
}


.one-border-none {
    --component-border-width: 0;
}

.one-border-subtle {
    --component-border-width: 1px;
}

.one-border-standard {
    --component-border-width: 2px;
}

.one-button-solid {
    --button-background: var(--color-primary);
    --button-border: var(--color-primary);
    --button-color: #ffffff;
    --button-hover-background: var(--color-primary-hover);
    --button-hover-border: var(--color-primary-hover);
    --button-hover-color: #ffffff;
}

.one-button-outline {
    --button-background: transparent;
    --button-border: var(--color-primary);
    --button-color: var(--color-primary);
    --button-hover-background: var(--color-primary);
    --button-hover-border: var(--color-primary);
    --button-hover-color: #ffffff;
}

.one-button-soft {
    --button-background: var(--color-surface);
    --button-border: var(--color-border);
    --button-color: var(--color-primary);
    --button-hover-background: var(--color-primary);
    --button-hover-border: var(--color-primary);
    --button-hover-color: #ffffff;
}

.one-header-centered .site-header__inner {
    flex-direction: column;
    justify-content: center;
    padding-block: var(--space-4);
}

.one-header-centered .site-nav__menu {
    justify-content: center;
}

.one-header-minimal .site-header__inner {
    min-height: 4rem;
}

.one-footer-centered .site-footer__inner {
    flex-direction: column;
    justify-content: center;
    padding-block: var(--space-6);
    text-align: center;
}

.one-footer-centered .site-footer__menu {
    justify-content: center;
}

.one-motion-off {
    --motion-duration: 0ms;
}

.one-motion-subtle {
    --motion-duration: 180ms;
}

.one-motion-standard {
    --motion-duration: 280ms;
}

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}