/* =========================================================
   SITE FOOTER — Architectural Foundation / Brand Signature
   Namespace: .site-footer
   ========================================================= */

.site-footer {
    --sf-olive: #24372F;
    --sf-olive-deep: #1A2822;
    --sf-ivory: #F5F1E8;
    --sf-sand: #E8E0D2;
    --sf-ink: #171A18;
    --sf-gray: #5f645c;
    --sf-gray-light: #737869;
    --sf-terracotta: #B85C38;
    --sf-terracotta-dark: #9A4B2C;
    --sf-lime: #D9E84A;
    --sf-lime-soft: rgba(217, 232, 74, 0.12);
    --sf-white: #FFFFFF;
    --sf-border: rgba(245, 241, 232, 0.1);
    --sf-border-light: rgba(245, 241, 232, 0.05);

    --sf-font: 'Vazirmatn', system-ui, -apple-system, Tahoma, sans-serif;
    --sf-mono: 'Vazirmatn', Tahoma, sans-serif;

    --sf-container-max: 1320px;
    --sf-container-pad: 32px;

    --sf-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --sf-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --sf-t-fast: 200ms;
    --sf-t-base: 350ms;
    --sf-t-slow: 600ms;

    --sf-radius-xs: 3px;
    --sf-radius-sm: 6px;

    position: relative;
    font-family: var(--sf-font);
    background: var(--sf-olive);
    padding: 96px 0 0;
    overflow: hidden;
    color: var(--sf-ivory);
    direction: rtl;
}

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

.site-footer a {
    text-decoration: none;
    color: inherit;
}

.site-footer button {
    font-family: inherit;
    border: none;
    background: transparent;
    cursor: pointer;
    color: inherit;
}

.site-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* =========================================================
   BLUEPRINT BACKGROUND
   ========================================================= */
.site-footer__blueprint {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.site-footer__blueprint-grid {
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 79px, var(--sf-border-light) 79px, var(--sf-border-light) 80px),
        repeating-linear-gradient(90deg, transparent, transparent 79px, var(--sf-border-light) 79px, var(--sf-border-light) 80px);
    opacity: 0.4;
}

.site-footer__blueprint-line {
    position: absolute;
    background: var(--sf-border);
}

.site-footer__blueprint-line--h1 {
    top: 25%;
    right: 0;
    left: 0;
    height: 1px;
    opacity: 0.3;
}

.site-footer__blueprint-line--h2 {
    top: 60%;
    right: 0;
    left: 0;
    height: 1px;
    opacity: 0.2;
}

.site-footer__blueprint-line--v1 {
    top: 0;
    bottom: 0;
    right: 20%;
    width: 1px;
    opacity: 0.2;
}

.site-footer__blueprint-line--v2 {
    top: 0;
    bottom: 0;
    left: 20%;
    width: 1px;
    opacity: 0.2;
}

.site-footer__blueprint-coord {
    position: absolute;
    font-family: var(--sf-mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    color: var(--sf-gray-light);
    opacity: 0.4;
    text-transform: uppercase;
}

.site-footer__blueprint-coord--tl {
    top: 24px;
    right: 32px;
}

.site-footer__blueprint-coord--br {
    bottom: 24px;
    left: 32px;
}

/* =========================================================
   CONTAINER
   ========================================================= */
.site-footer__container {
    position: relative;
    max-width: var(--sf-container-max);
    margin: 0 auto;
    padding: 0 var(--sf-container-pad);
    width: 100%;
}

/* =========================================================
   TOP SECTION: Brand + Project + Newsletter
   ========================================================= */
.site-footer__top {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 64px;
    padding-bottom: 64px;
}

/* Brand */
.site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.site-footer__logo {
    display: inline-flex;
    align-items: center;
    gap: 14px;
}

.site-footer__logo-mark {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: block;
}

.site-footer__logo-mark svg {
    width: 100%;
    height: 100%;
    color: var(--sf-ivory);
}

.site-footer__logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.site-footer__logo-name {
    font-size: 26px;
    font-weight: 900;
    color: var(--sf-white);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.site-footer__logo-sub {
    font-size: 12px;
    color: var(--sf-gray-light);
    font-weight: 500;
}

.site-footer__brand-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--sf-gray-light);
    margin: 0;
    max-width: 360px;
}

.site-footer__brand-metric {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--sf-border);
}

.site-footer__brand-metric-item {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.site-footer__brand-metric-value {
    font-family: var(--sf-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--sf-lime);
}

.site-footer__brand-metric-label {
    font-size: 12px;
    color: var(--sf-gray-light);
}

.site-footer__brand-metric-divider {
    width: 4px;
    height: 4px;
    background: var(--sf-border);
    border-radius: 50%;
}

/* Project CTA */
.site-footer__project {
    display: flex;
    flex-direction: column;
}

.site-footer__project-inner {
    background: var(--sf-olive-deep);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.site-footer__project-inner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 3px;
    height: 100%;
    background: var(--sf-lime);
}

.site-footer__project-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--sf-lime);
    letter-spacing: 0.05em;
}

.site-footer__project-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--sf-white);
    margin: 0;
    line-height: 1.4;
}

.site-footer__project-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--sf-gray-light);
    margin: 0;
}

.site-footer__project-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--sf-terracotta);
    color: var(--sf-white);
    border-radius: var(--sf-radius-xs);
    font-size: 14px;
    font-weight: 700;
    transition: all var(--sf-t-base) var(--sf-ease);
    margin-top: auto;
    width: fit-content;
}

.site-footer__project-btn:hover {
    background: var(--sf-terracotta-dark);
    transform: translateY(-2px);
}

.site-footer__project-btn:focus-visible {
    outline: 2px solid var(--sf-lime);
    outline-offset: 3px;
}

.site-footer__project-btn-arrow {
    width: 16px;
    height: 16px;
    display: inline-flex;
    transition: transform var(--sf-t-base) var(--sf-ease);
}

.site-footer__project-btn-arrow svg {
    width: 100%;
    height: 100%;
}

.site-footer__project-btn:hover .site-footer__project-btn-arrow {
    transform: translateX(-4px);
}

/* Newsletter */
.site-footer__newsletter {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.site-footer__newsletter-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--sf-lime);
    letter-spacing: 0.05em;
}

.site-footer__newsletter-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--sf-gray-light);
    margin: 0;
}

.site-footer__newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.site-footer__newsletter-label-input {
    font-size: 12px;
    font-weight: 600;
    color: var(--sf-ivory);
}

.site-footer__newsletter-input-wrap {
    display: flex;
    align-items: center;
    background: var(--sf-olive-deep);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-xs);
    overflow: hidden;
    transition: border-color var(--sf-t-base) var(--sf-ease);
}

.site-footer__newsletter-input-wrap:focus-within {
    border-color: var(--sf-terracotta);
}

.site-footer__newsletter-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 14px 16px;
    font-size: 14px;
    font-family: inherit;
    color: var(--sf-white);
    min-width: 0;
}

.site-footer__newsletter-input::placeholder {
    color: var(--sf-gray);
}

.site-footer__newsletter-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sf-terracotta);
    color: var(--sf-white);
    transition: background var(--sf-t-base) var(--sf-ease);
    flex-shrink: 0;
}

.site-footer__newsletter-btn:hover {
    background: var(--sf-terracotta-dark);
}

.site-footer__newsletter-status {
    font-size: 12px;
    color: var(--sf-gray-light);
    min-height: 18px;
}

/* =========================================================
   DIVIDER
   ========================================================= */
.site-footer__divider {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 0;
}

.site-footer__divider-line {
    flex: 1;
    height: 1px;
    background: var(--sf-border);
}

.site-footer__divider-marker {
    width: 8px;
    height: 8px;
    background: var(--sf-lime);
    transform: rotate(45deg);
    flex-shrink: 0;
}

/* =========================================================
   MIDDLE SECTION: Navigation Index
   ========================================================= */
.site-footer__middle {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 48px;
    padding: 56px 0;
}

.site-footer__nav-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--sf-gray-light);
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.site-footer__nav-index {
    font-family: var(--sf-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--sf-lime);
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--sf-olive-deep);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-xs);
}

.site-footer__nav-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-footer__nav-link {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    color: var(--sf-sand);
    transition: all var(--sf-t-base) var(--sf-ease);
    position: relative;
    padding-right: 0;
}

.site-footer__nav-link::before {
    content: '';
    position: absolute;
    right: -14px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--sf-terracotta);
    border-radius: 50%;
    opacity: 0;
    transition: all var(--sf-t-base) var(--sf-ease);
}

.site-footer__nav-link:hover {
    color: var(--sf-white);
    padding-right: 20px;
}

.site-footer__nav-link:hover::before {
    opacity: 1;
    right: 0;
}

.site-footer__nav-link:focus-visible {
    outline: 2px solid var(--sf-lime);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Contact */
.site-footer__contact {
    display: flex;
    flex-direction: column;
}

.site-footer__contact-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.site-footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--sf-sand);
    transition: color var(--sf-t-base) var(--sf-ease);
}

.site-footer__contact-item i {
    color: var(--sf-lime);
    font-size: 15px;
    margin-top: 3px;
    flex-shrink: 0;
}

.site-footer__contact-item--static {
    color: var(--sf-gray-light);
}

a.site-footer__contact-item:hover {
    color: var(--sf-white);
}

/* Social */
.site-footer__social {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.site-footer__social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sf-olive-deep);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-xs);
    color: var(--sf-gray-light);
    font-size: 17px;
    transition: all var(--sf-t-base) var(--sf-ease);
}

.site-footer__social-link:hover {
    background: var(--sf-terracotta);
    border-color: var(--sf-terracotta);
    color: var(--sf-white);
    transform: translateY(-3px);
}

.site-footer__social-link:focus-visible {
    outline: 2px solid var(--sf-lime);
    outline-offset: 3px;
}

/* =========================================================
   BOTTOM SECTION: Trust + Copyright
   ========================================================= */
.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 0;
    border-top: 1px solid var(--sf-border);
    flex-wrap: wrap;
}

.site-footer__trust {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12.5px;
    color: var(--sf-gray-light);
}

.site-footer__trust-divider {
    width: 4px;
    height: 4px;
    background: var(--sf-border);
    border-radius: 50%;
}

.site-footer__copyright {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 12.5px;
    color: var(--sf-gray);
}

.site-footer__copyright-heart {
    color: var(--sf-terracotta);
    font-size: 12px;
}

/* =========================================================
   RESPONSIVE — TABLET
   ========================================================= */
@media (max-width: 1199.98px) {
    .site-footer {
        padding: 80px 0 0;
    }

    .site-footer__top {
        gap: 48px;
    }

    .site-footer__middle {
        gap: 36px;
    }
}

@media (max-width: 991.98px) {
    .site-footer {
        padding: 72px 0 0;
    }

    .site-footer__top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .site-footer__brand {
        grid-column: 1 / -1;
    }

    .site-footer__brand-desc {
        max-width: 520px;
    }

    .site-footer__middle {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 48px 0;
    }

    .site-footer__contact {
        grid-column: 1 / -1;
    }

    .site-footer__contact-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px 32px;
    }

    .site-footer__social {
        margin-top: 24px;
    }

    .site-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

@media (max-width: 819.98px) {
    .site-footer__container {
        padding: 0 24px;
    }

    .site-footer__top {
        gap: 32px;
    }

    .site-footer__middle {
        gap: 32px;
    }
}

/* =========================================================
   RESPONSIVE — MOBILE
   ========================================================= */
@media (max-width: 767.98px) {
    .site-footer {
        padding: 64px 0 0;
    }

    .site-footer__container {
        padding: 0 20px;
    }

    .site-footer__top {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 48px;
    }

    .site-footer__brand-desc {
        max-width: 100%;
    }

    .site-footer__brand-metric {
        flex-wrap: wrap;
        gap: 12px 16px;
    }

    .site-footer__project-inner {
        padding: 24px;
    }

    .site-footer__project-btn {
        width: 100%;
        justify-content: center;
    }

    .site-footer__middle {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 0;
    }

    .site-footer__contact-list {
        flex-direction: column;
        gap: 14px;
    }

    .site-footer__social-link {
        width: 48px;
        height: 48px;
    }

    .site-footer__bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
        padding: 24px 0;
    }

    .site-footer__trust {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .site-footer__copyright {
        flex-direction: column;
        gap: 6px;
    }

    .site-footer__blueprint-coord {
        display: none;
    }
}

@media (max-width: 479.98px) {
    .site-footer {
        padding: 56px 0 0;
    }

    .site-footer__container {
        padding: 0 16px;
    }

    .site-footer__logo-name {
        font-size: 22px;
    }

    .site-footer__logo-sub {
        font-size: 12px;
    }

    .site-footer__logo-mark {
        width: 40px;
        height: 40px;
    }

    .site-footer__brand-desc {
        font-size: 13px;
    }

    .site-footer__project-title {
        font-size: 16px;
    }

    .site-footer__project-desc {
        font-size: 12.5px;
    }

    .site-footer__nav-title {
        font-size: 12px;
    }

    .site-footer__nav-link {
        font-size: 13.5px;
    }

    .site-footer__contact-item {
        font-size: 13px;
    }

    .site-footer__trust {
        font-size: 12px;
    }

    .site-footer__copyright-text {
        font-size: 12px;
    }
}

@media (max-width: 379.98px) {
    .site-footer__logo-name {
        font-size: 20px;
    }

    .site-footer__brand-metric-value {
        font-size: 16px;
    }

    .site-footer__newsletter-input {
        padding: 12px 14px;
    }

    .site-footer__newsletter-btn {
        width: 44px;
        height: 44px;
    }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {

    .site-footer *,
    .site-footer *::before,
    .site-footer *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* =========================================================
   ACCESSIBILITY
   ========================================================= */
.site-footer :focus-visible {
    outline: 2px solid var(--sf-lime);
    outline-offset: 3px;
}

.site-footer :focus:not(:focus-visible) {
    outline: none;
}

/* =========================================================
   PRINT
   ========================================================= */
@media print {
    .site-footer {
        background: white !important;
        color: black !important;
        padding: 30px 0;
    }

    .site-footer__blueprint {
        display: none;
    }

    .site-footer__project-inner {
        border: 1px solid #ccc;
        background: #f9f9f9;
    }

    .site-footer__nav-link,
    .site-footer__contact-item {
        color: black !important;
    }
}