:root {
    --c-ink: #0a0a0a;
    --c-paper: #faf9f7;
    --c-mute: #6a6a68;
    --c-line: #d9d7d1;
    --c-accent: #ff3b00;
    --c-accent-ink: #c72d00;
    --radius: 5px;

    --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
    --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
    --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;

    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 3rem;
    --space-6: 4.5rem;
    --space-7: 6rem;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--c-ink);
    background: var(--c-paper);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3 {
    font-family: var(--font-display);
}

a {
    color: inherit;
}

::selection {
    background: var(--c-accent);
    color: var(--c-paper);
}

.site-shell {
    width: min(1280px, calc(100% - 2rem));
    margin: 0 auto;
    padding: var(--space-5) 0 var(--space-7);
}

.page-main {
    display: grid;
    gap: var(--space-2);
}

/* Shared spacing */
.stack-tight {
    display: grid;
    gap: var(--space-2);
}

.stack-large {
    display: grid;
    gap: var(--space-3);
}

/* Block primitives */
.panel {
    border: 2px solid var(--c-ink);
    background: var(--c-paper);
    border-radius: var(--radius);
}

.panel-ink {
    background: var(--c-ink);
    color: var(--c-paper);
}

.panel-ink a {
    color: var(--c-paper);
}

/* Header / footer */
.site-header,
.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
}

.site-brand {
    min-width: 0;
}

.site-name {
    display: inline-block;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    text-decoration: none;
    text-transform: uppercase;
}

.site-domain,
.site-footer p {
    margin: 0;
    line-height: 1.5;
    color: var(--c-mute);
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.site-nav a {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border: 2px solid transparent;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--c-ink);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: border-color 80ms ease-out, color 80ms ease-out;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    border-color: var(--c-ink);
}

.eyebrow {
    margin: 0;
    color: var(--c-accent);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

/* Buttons: chunky, high-contrast */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.2rem;
    padding: 0 1.6rem;
    border: 2px solid var(--c-ink);
    border-radius: var(--radius);
    background: var(--c-ink);
    color: var(--c-paper);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 80ms ease-out, color 80ms ease-out;
}

.button:hover,
.button:focus-visible {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: var(--c-paper);
}

.button-secondary {
    background: transparent;
    color: var(--c-ink);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    background: var(--c-ink);
    color: var(--c-paper);
}

/* Forms */
form {
    display: grid;
    gap: var(--space-3);
}

label {
    display: grid;
    gap: var(--space-1);
    font-weight: 600;
}

input,
textarea,
select {
    width: 100%;
    padding: 0.85rem 0.9rem;
    border: 2px solid var(--c-ink);
    border-radius: var(--radius);
    background: var(--c-paper);
    color: var(--c-ink);
    font: inherit;
}

input:focus,
textarea:focus,
select:focus {
    outline: 3px solid var(--c-accent);
    outline-offset: 1px;
}

textarea {
    resize: vertical;
    min-height: 10rem;
}

code {
    padding: 0.1em 0.4em;
    border: 1px solid var(--c-line);
    background: #efeee9;
    font-family: var(--font-mono);
    font-size: 0.9em;
}

@media (max-width: 720px) {
    .site-header,
    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}