.gf {
    --gf-bg: #0d0d0d;
    --gf-fg: #ffffff;
    --gf-muted: #a2a6a9;
    --gf-dim: #74797d;
    --gf-line: rgba(255, 255, 255, .12);
    --gf-accent: #4ade80;
    --gf-r: 6px;
    padding: 4rem 0 2rem;
    background: var(--gf-bg);
    color: var(--gf-muted);
    border-top: 1px solid var(--gf-line);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: .875rem;
    line-height: 1.6;
}
.gf-wrap { max-width: var(--container, 1180px); margin: 0 auto; padding: 0 24px; }
.gf-cols { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2.5rem; }
.gf-logo {
    display: inline-flex; align-items: center; gap: .5rem;
    font-family: 'Comfortaa', -apple-system, sans-serif; font-weight: 700;
    font-size: 1rem; color: var(--gf-fg); text-decoration: none;
}
.gf-logo svg { display: block; flex: none; }
.gf-logo span { transform: translateY(.08em); }
.gf-about { max-width: 34ch; margin: .75rem 0 0; color: var(--gf-dim); }
.gf-sub { margin-top: 1.5rem; max-width: 340px; }
.gf-title { display: block; margin-bottom: .5rem; font-size: .8125rem; font-weight: 600; color: var(--gf-fg); }
.gf-form { display: flex; gap: .5rem; align-items: stretch; }
.gf-form input {
    flex: 1; min-width: 0;
    padding: .5rem .75rem;
    font: inherit; font-size: .875rem;
    background: rgba(255, 255, 255, .04); color: var(--gf-fg);
    border: 1px solid var(--gf-line); border-radius: var(--gf-r);
    transition: border-color .15s ease, background .15s ease;
}
.gf-form input::placeholder { color: var(--gf-dim); }
.gf-form input:focus { outline: none; border-color: var(--gf-muted); background: rgba(255, 255, 255, .07); }
.gf-form button {
    flex: none; padding: .5rem .875rem;
    font: inherit; font-size: .875rem; font-weight: 500; white-space: nowrap;
    background: var(--gf-fg); color: #101010;
    border: 1px solid var(--gf-fg); border-radius: var(--gf-r);
    cursor: pointer; transition: opacity .15s ease;
}
.gf-form button:hover { opacity: .85; }
.gf-form.sending button { opacity: .5; pointer-events: none; }
.gf-msg { margin: .5rem 0 0; font-size: .8125rem; color: var(--gf-dim); }
.gf-msg:empty { display: none; }
.gf-msg.ok { color: var(--gf-accent); }
.gf-msg.bad { color: #f08a76; }
.gf-head { margin: 0 0 .75rem; font-size: .8125rem; font-weight: 600; color: var(--gf-fg); }
.gf-links { display: grid; gap: .5rem; }
.gf-links a { color: var(--gf-muted); text-decoration: none; transition: color .15s ease; }
.gf-links a:hover { color: var(--gf-fg); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .16em; }
.gf-bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
    margin-top: 3.5rem; padding-top: 1.25rem;
    border-top: 1px solid var(--gf-line);
    color: var(--gf-dim); font-size: .8125rem;
}
.gf :focus-visible { outline: 2px solid var(--gf-accent); outline-offset: 2px; border-radius: var(--gf-r); }
@media (max-width: 980px) {
    .gf-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.25rem 1.5rem; }
    .gf-brand {
        grid-column: 1 / -1;
        display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
        gap: 2rem; align-items: start;
    }
    .gf-brand .gf-logo, .gf-brand .gf-about { grid-column: 1; }
    .gf-brand .gf-sub { grid-column: 2; grid-row: 1 / span 2; margin-top: 0; }
}
@media (max-width: 640px) {
    .gf { padding: 3rem 0 2rem; }
    .gf-wrap { padding: 0 16px; }
    .gf-cols { grid-template-columns: 1fr 1fr; gap: 2.25rem 1.5rem; }
    .gf-brand { grid-column: 1 / -1; display: block; }
    .gf-sub { max-width: none; }
    .gf-cols > div:last-child { grid-column: 1 / -1; }
    .gf-cols > div:last-child .gf-links { display: flex; flex-wrap: wrap; gap: .45rem 1.25rem; }
    .gf-bottom { margin-top: 2.5rem; }
}
@media (prefers-reduced-motion: reduce) {
    .gf * { transition: none !important; }
}