/* Shared marketing footer — Optiq Studio */
.site-footer {
    --sf-ease: cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 10;
    overflow: hidden;
    padding: 0;
    isolation: isolate;
    background:
        radial-gradient(ellipse 90% 80% at 0% 100%, rgba(230, 32, 32, 0.1) 0%, transparent 55%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 40%),
        var(--bg-color);
    border-top: 1px solid var(--border-color);
    color: var(--text-color);
}

.site-footer .sf-glow {
    position: absolute;
    right: -8%;
    bottom: -40%;
    width: min(480px, 65vw);
    height: min(480px, 65vw);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(230, 32, 32, 0.16) 0%, transparent 70%);
    pointer-events: none;
    filter: blur(4px);
    animation: sfGlowDrift 18s ease-in-out infinite alternate;
}

.site-footer .sf-watermark {
    position: absolute;
    left: 0;
    bottom: -0.18em;
    font-family: var(--font-head);
    font-weight: 900;
    font-size: clamp(5rem, 16vw, 12rem);
    line-height: 0.8;
    letter-spacing: -0.06em;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.06);
    text-transform: uppercase;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    z-index: 0;
}

html[data-theme="light"] .site-footer .sf-watermark {
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.05);
}

.site-footer .sf-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: clamp(36px, 5vw, 72px);
    padding: clamp(72px, 10vw, 120px) 10% 56px;
    align-items: start;
}

.site-footer .sf-live {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 20px;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--brand-red);
}

.site-footer .sf-pulse {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brand-red);
    box-shadow: 0 0 0 0 rgba(230, 32, 32, 0.4);
    animation: sfPulse 2.4s ease-out infinite;
}

.site-footer .foot-brand {
    font-family: var(--font-head);
    font-size: clamp(2.4rem, 4.8vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    margin: 0 0 18px;
    line-height: 0.95;
    text-transform: uppercase;
}

.site-footer .foot-brand span {
    color: var(--brand-red);
}

.site-footer .foot-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 32ch;
    line-height: 1.7;
    margin: 0 0 28px;
}

.site-footer .sf-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 13px 20px;
    border: 1px solid rgba(230, 32, 32, 0.4);
    background: transparent;
    color: var(--text-color);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: transform 0.35s var(--sf-ease), border-color 0.3s, background 0.3s, color 0.3s;
}

.site-footer .sf-cta:hover {
    transform: translateY(-2px);
    border-color: var(--brand-red);
    background: var(--brand-red);
    color: #fff;
}

.site-footer .sf-cta-arrow {
    transition: transform 0.35s var(--sf-ease);
}

.site-footer .sf-cta:hover .sf-cta-arrow {
    transform: translate(3px, -3px);
}

.site-footer .foot-title {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    margin: 6px 0 24px;
    color: var(--text-muted);
}

.site-footer .foot-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.site-footer .foot-links a {
    position: relative;
    width: fit-content;
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s, transform 0.35s var(--sf-ease);
}

.site-footer .foot-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background: var(--brand-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--sf-ease);
}

.site-footer .foot-links a:hover {
    color: var(--brand-red);
    transform: translateX(4px);
}

.site-footer .foot-links a:hover::after {
    transform: scaleX(1);
}

.site-footer .sf-socials {
    display: flex;
    gap: 10px;
}

.site-footer .sf-social {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    text-decoration: none;
    transition: transform 0.35s var(--sf-ease), border-color 0.3s, color 0.3s, background 0.3s;
}

.site-footer .sf-social svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.site-footer .sf-social:hover {
    transform: translateY(-3px);
    border-color: var(--brand-red);
    color: var(--brand-red);
    background: rgba(230, 32, 32, 0.06);
}

.site-footer .sf-ticker {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border-color);
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.site-footer .sf-ticker-track {
    display: flex;
    width: max-content;
    padding: 18px 0;
    animation: sfTicker 42s linear infinite;
}

.site-footer .sf-ticker-track span {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
    padding: 0 1.2rem;
}

.site-footer .sf-ticker-track .sf-dot {
    color: var(--brand-red);
    letter-spacing: 0;
    padding: 0 0.25rem;
    opacity: 0.7;
}

.site-footer .foot-bottom {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 26px 10% 34px;
    border-top: 1px solid var(--border-color);
}

.site-footer .foot-copy {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.site-footer .sf-status {
    color: var(--brand-red);
}

html[data-theme="light"] .site-footer {
    background:
        radial-gradient(ellipse 90% 80% at 0% 100%, rgba(230, 32, 32, 0.07) 0%, transparent 55%),
        linear-gradient(180deg, #ffffff 0%, var(--bg-color) 100%);
    border-top-color: rgba(0, 0, 0, 0.08);
}

html[data-theme="light"] .site-footer .sf-social:hover {
    background: rgba(230, 32, 32, 0.05);
}

@keyframes sfPulse {
    0% { box-shadow: 0 0 0 0 rgba(230, 32, 32, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(230, 32, 32, 0); }
    100% { box-shadow: 0 0 0 0 rgba(230, 32, 32, 0); }
}

@keyframes sfTicker {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@keyframes sfGlowDrift {
    from { transform: translate(0, 0); opacity: 0.7; }
    to { transform: translate(-6%, -4%); opacity: 1; }
}

@media (max-width: 1000px) {
    .site-footer .sf-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 56px 5vw 36px;
    }

    .site-footer .sf-watermark {
        font-size: clamp(4.2rem, 26vw, 7.5rem);
        opacity: 0.9;
    }

    .site-footer .foot-bottom {
        flex-direction: column;
        text-align: center;
        padding: 22px 5vw calc(26px + env(safe-area-inset-bottom, 0px));
    }

    .site-footer .sf-status {
        order: -1;
    }

    .site-footer .foot-brand {
        font-size: 2.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-footer .sf-pulse,
    .site-footer .sf-ticker-track,
    .site-footer .sf-glow {
        animation: none;
    }
}