/* ═══════════════════════════════════════════════════════════════
   سازه گستر سهند — فوتر
   dashtseo.ir
   ═══════════════════════════════════════════════════════════════ */

.sgs-footer {
    background: var(--color-charcoal);
    color: var(--color-cream);
    padding: var(--space-20) 0 0;
    position: relative;
    overflow: hidden;
}

.sgs-footer::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-brick) 0%, var(--color-earth) 50%, var(--color-brick) 100%);
}

.sgs-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
}

/* ── ستون درباره ما ── */
.sgs-footer__col--about {
    max-width: 360px;
}

.sgs-footer__logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-cream);
    margin-bottom: var(--space-5);
}

.sgs-footer__logo .sgs-logo__mark {
    background: var(--color-brick);
    color: var(--color-cream);
}

.sgs-footer__logo .sgs-logo__title { color: var(--color-cream); }
.sgs-footer__logo .sgs-logo__subtitle { color: var(--color-mist); }

.sgs-footer__about {
    font-size: var(--text-sm);
    line-height: 1.85;
    color: var(--color-mist);
    margin-bottom: var(--space-5);
}

.sgs-footer__socials {
    display: flex;
    gap: var(--space-2);
}

.sgs-footer__socials a {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-mist);
    transition: all var(--duration-base) var(--ease-out);
}

.sgs-footer__socials a:hover {
    background: var(--color-brick);
    border-color: var(--color-brick);
    color: var(--color-cream);
    transform: translateY(-2px);
}

.sgs-footer__socials svg {
    width: 18px;
    height: 18px;
}

/* ── عناوین ستون‌ها ── */
.sgs-footer__title {
    font-size: var(--text-base);
    font-weight: 800;
    color: var(--color-cream);
    margin: 0 0 var(--space-5);
    padding-bottom: var(--space-3);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sgs-footer__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 2px;
    background: var(--color-brick);
    border-radius: var(--radius-full);
}

/* ── منو ── */
.sgs-footer__menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sgs-footer__menu li {
    margin-bottom: var(--space-2);
}

.sgs-footer__menu a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-mist);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: all var(--duration-base) var(--ease-out);
    padding: var(--space-1) 0;
}

.sgs-footer__menu a::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--color-brick);
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
}

.sgs-footer__menu a:hover {
    color: var(--color-brick-light);
    padding-right: var(--space-3);
}

.sgs-footer__menu a:hover::before {
    opacity: 1;
}

/* ── اطلاعات تماس ── */
.sgs-footer__contact {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.sgs-footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.sgs-footer__contact-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background: rgba(168, 65, 43, 0.15);
    border-radius: var(--radius-md);
    color: var(--color-brick-light);
}

.sgs-footer__contact-icon svg {
    width: 18px;
    height: 18px;
}

.sgs-footer__contact-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-mist);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sgs-footer__contact-value {
    display: block;
    color: var(--color-cream);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--duration-base) var(--ease-out);
}

a.sgs-footer__contact-value:hover {
    color: var(--color-brick-light);
}

/* ── نوار پایین ── */
.sgs-footer__bottom {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--space-5) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.sgs-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    flex-wrap: wrap;
}

.sgs-footer__copyright {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-mist);
    font-size: var(--text-xs);
    flex-wrap: wrap;
}

.sgs-footer__sep {
    color: var(--color-stone);
    opacity: 0.5;
}

.sgs-footer__legal-menu {
    display: flex;
    gap: var(--space-5);
    list-style: none;
    margin: 0;
    padding: 0;
}

.sgs-footer__legal-menu a {
    color: var(--color-mist);
    font-size: var(--text-xs);
    text-decoration: none;
    transition: color var(--duration-base) var(--ease-out);
}

.sgs-footer__legal-menu a:hover {
    color: var(--color-brick-light);
}

.sgs-footer__credit {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-mist);
    font-size: var(--text-xs);
}

.sgs-footer__credit a {
    color: var(--color-brick-light);
    font-weight: 700;
    text-decoration: none;
    transition: color var(--duration-base) var(--ease-out);
}

.sgs-footer__credit a:hover {
    color: var(--color-cream);
}

/* ── ریسپانسیو ── */
@media (max-width: 1024px) {
    .sgs-footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .sgs-footer__col--about {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .sgs-footer { padding-top: var(--space-12); }

    .sgs-footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .sgs-footer__bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }

    .sgs-footer__copyright {
        justify-content: center;
    }

    .sgs-footer__legal-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ═══════════════════════════════════════════════════════════════
   دکمه بازگشت به بالا (پایین راست)
   ═══════════════════════════════════════════════════════════════ */

.sgs-scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: var(--color-charcoal);
    color: var(--color-cream);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(26, 24, 20, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.25s;
    z-index: 500;
}

.sgs-scroll-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sgs-scroll-top:hover {
    background: var(--color-brick);
    transform: translateY(-4px);
}

.sgs-scroll-top svg {
    width: 18px;
    height: 18px;
}

/* ═══════════════════════════════════════════════════════════════
   دکمه شناور (پایین چپ - اصلاح شده)
   ═══════════════════════════════════════════════════════════════ */

.sgs-float {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 500;
    direction: ltr;
}

.sgs-float__menu {
    position: absolute;
    bottom: 70px;
    left: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s;
    pointer-events: none;
}

.sgs-float.is-open .sgs-float__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.sgs-float__item {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--color-cream);
    transition: transform 0.25s;
}

.sgs-float__item:hover {
    transform: translateX(4px);
}

.sgs-float__label {
    background: var(--color-charcoal);
    color: var(--color-cream);
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 4px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    direction: rtl;
}

.sgs-float__icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    color: var(--color-cream);
    transition: transform 0.25s;
    flex-shrink: 0;
}

.sgs-float__item:hover .sgs-float__icon {
    transform: scale(1.1);
}

.sgs-float__icon svg {
    width: 20px;
    height: 20px;
}

.sgs-float__icon--phone { background: var(--color-brick); }
.sgs-float__icon--whatsapp { background: #25D366; }
.sgs-float__icon--telegram { background: #0088cc; }
.sgs-float__icon--sms { background: var(--color-earth); }
.sgs-float__icon--instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }

.sgs-float__btn {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    background: var(--color-brick);
    color: var(--color-cream);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(168, 65, 43, 0.4);
    transition: all 0.25s;
    position: relative;
}

.sgs-float__btn:hover {
    background: var(--color-brick-dark);
    transform: scale(1.05);
}

.sgs-float__btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--color-brick);
    opacity: 0.3;
    z-index: -1;
    animation: sgs-pulse 2s ease-in-out infinite;
}

.sgs-float__btn-icon,
.sgs-float__btn-close {
    position: absolute;
    transition: all 0.3s;
}

.sgs-float__btn-icon svg,
.sgs-float__btn-close svg {
    width: 24px;
    height: 24px;
}

.sgs-float__btn-close {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

.sgs-float.is-open .sgs-float__btn-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

.sgs-float.is-open .sgs-float__btn-close {
    opacity: 1;
    transform: rotate(0) scale(1);
}

@media (max-width: 640px) {
    .sgs-float { bottom: 80px; left: 16px; }
    .sgs-float__btn { width: 50px; height: 50px; }
    .sgs-float__icon { width: 40px; height: 40px; }
    .sgs-float__label { display: none; }
    .sgs-scroll-top { width: 38px; height: 38px; bottom: 85px; right: 16px; }
}

/* Hotfix v3.0.3 — حذف دکمه شناور تماس در موبایل چون CTA داخل هدر قرار گرفت */
@media (max-width: 768px) {
    .sgs-float {
        display: none !important;
    }
}

/* ═══════════════════════════════════════════════════════════════
   Hotfix v3.0.4 — آیلند تماس پایین موبایل
   ═══════════════════════════════════════════════════════════════ */
.sgs-mobile-contact-island {
    display: none;
}

@media (max-width: 768px) {
    body {
        padding-bottom: calc(86px + env(safe-area-inset-bottom)) !important;
    }

    .sgs-mobile-contact-island {
        position: fixed;
        right: 12px;
        left: 12px;
        bottom: calc(10px + env(safe-area-inset-bottom));
        z-index: 1200;
        display: flex;
        align-items: center;
        justify-content: space-around;
        gap: 6px;
        min-height: 66px;
        padding: 8px 10px;
        background: rgba(250, 248, 244, 0.96);
        border: 1px solid var(--color-cream-dark);
        border-radius: 22px;
        box-shadow: 0 18px 50px rgba(26, 24, 20, 0.20);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }

    .sgs-mobile-contact-island__item {
        flex: 1 1 0;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        min-width: 0;
        min-height: 50px;
        color: var(--color-charcoal);
        font-size: 10.5px;
        font-weight: 900;
        line-height: 1.1;
        text-align: center;
        text-decoration: none;
        border-radius: 16px;
        transition: transform .2s ease, background-color .2s ease;
    }

    .sgs-mobile-contact-island__item:active {
        transform: scale(.96);
        background: var(--color-brick-50);
    }

    .sgs-mobile-contact-island__icon {
        width: 34px;
        height: 34px;
        display: grid;
        place-items: center;
        border-radius: 13px;
        color: #fff;
        box-shadow: 0 8px 18px rgba(0,0,0,.14);
    }

    .sgs-mobile-contact-island__icon svg {
        width: 18px;
        height: 18px;
    }

    .sgs-mobile-contact-island__item--call .sgs-mobile-contact-island__icon {
        background: var(--color-brick);
    }

    .sgs-mobile-contact-island__item--whatsapp .sgs-mobile-contact-island__icon {
        background: #25D366;
    }

    .sgs-mobile-contact-island__item--instagram .sgs-mobile-contact-island__icon {
        background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    }

    .sgs-mobile-contact-island__item--telegram .sgs-mobile-contact-island__icon {
        background: #229ED9;
    }

    .sgs-scroll-top {
        bottom: calc(92px + env(safe-area-inset-bottom));
    }
}

/* Hotfix v3.0.7 — آیلند پایین زیر منوی موبایل و بدون ایجاد گپ */
@media (max-width: 768px) {
    .sgs-mobile-contact-island {
        z-index: 1190 !important;
        min-height: 64px;
        bottom: calc(8px + env(safe-area-inset-bottom));
    }

    .sgs-mobile-contact-island__item {
        min-height: 48px;
        font-size: 10px;
    }

    .sgs-mobile-contact-island__icon {
        width: 32px;
        height: 32px;
    }
}

/* v3.0.8 — حذف فضای سفید بعد از فوتر در موبایل */
@media (max-width: 768px) {
    body {
        padding-bottom: 0 !important;
    }

    .sgs-footer {
        padding-bottom: 0 !important;
        margin-bottom: 0 !important;
    }

    .sgs-footer__bottom {
        padding-bottom: calc(88px + env(safe-area-inset-bottom)) !important;
    }
}