/* =========================================================
   SBI FOOTER
   ---------------------------------------------------------
   Footer premium :
   - logo + wordmark en lockup
   - colonnes mieux alignées
   - social card discrète
   - responsive intégré
   ========================================================= */

.sbi-footer {
    position: relative;
    overflow: hidden;
    padding-top: clamp(3.75rem, 6vw, 5rem);
    padding-bottom: 1.8rem;
    background:
        radial-gradient(circle at 12% 10%, rgba(0, 81, 255, 0.055), transparent 28%),
        linear-gradient(180deg, rgba(2, 3, 6, 0.98), rgba(2, 3, 6, 1));
}

.sbi-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.14) 18%,
        rgba(0, 81, 255, 0.34) 50%,
        rgba(255, 255, 255, 0.14) 82%,
        transparent 100%
    );
}

.sbi-footer::after {
    content: '';
    position: absolute;
    right: -8vw;
    bottom: -12vw;
    width: 34vw;
    height: 34vw;
    min-width: 320px;
    min-height: 320px;
    pointer-events: none;
    background: radial-gradient(circle, rgba(0, 81, 255, 0.075), transparent 62%);
    opacity: 0.72;
}

.sbi-footer .footer-shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(260px, 0.95fr) minmax(420px, 1.45fr) minmax(190px, 0.55fr);
    align-items: start;
    gap: clamp(2.5rem, 5vw, 5rem);
}

.sbi-footer .footer-brand-block {
    max-width: 360px;
}

.sbi-footer .footer-logo-lockup {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: inherit;
}

.sbi-footer .footer-logo-mark {
    width: 72px;
    height: 72px;
    object-fit: contain;
    flex: 0 0 auto;
    filter: drop-shadow(0 0 12px rgba(0, 81, 255, 0.16));
}

.sbi-footer .footer-logo-wordmark {
    height: 42px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    opacity: 0.96;
}

.sbi-footer .footer-brandline {
    margin-top: 1.65rem;
    color: var(--text-muted);
    font-size: 0.94rem;
}

.sbi-footer .footer-description {
    margin-top: 0.85rem;
    max-width: 310px;
    color: rgba(138, 147, 166, 0.82);
    font-size: 0.82rem;
    line-height: 1.65;
}

.sbi-footer .footer-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(130px, 1fr));
    gap: clamp(1.75rem, 3vw, 3.5rem);
    align-items: start;
}

.sbi-footer .footer-column {
    position: relative;
    min-width: 0;
}

.sbi-footer .footer-column h4,
.sbi-footer .footer-social-title {
    margin-bottom: 1.35rem;
    color: rgba(164, 176, 204, 0.9);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.105em;
    text-transform: uppercase;
}

.sbi-footer .footer-column h4::after,
.sbi-footer .footer-social-title::after {
    content: '';
    display: block;
    width: 28px;
    height: 1px;
    margin-top: 0.65rem;
    background: linear-gradient(90deg, var(--sbi-blue), transparent);
    opacity: 0.85;
}

.sbi-footer .footer-column a {
    position: relative;
    display: block;
    width: fit-content;
    margin-bottom: 0.78rem;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.88rem;
    font-weight: 700;
    transition:
        color 0.28s ease,
        transform 0.28s ease;
}

.sbi-footer .footer-column a::before {
    content: '';
    position: absolute;
    left: -0.85rem;
    top: 50%;
    width: 5px;
    height: 5px;
    background: var(--sbi-blue);
    opacity: 0;
    transform: translateY(-50%) rotate(45deg) scale(0.7);
    box-shadow: 0 0 10px rgba(0, 81, 255, 0.72);
    transition:
        opacity 0.28s ease,
        transform 0.28s ease;
}

.sbi-footer .footer-column a:hover {
    color: #ffffff;
    transform: translateX(0.35rem);
}

.sbi-footer .footer-column a:hover::before {
    opacity: 1;
    transform: translateY(-50%) rotate(45deg) scale(1);
}

.sbi-footer .footer-social-card {
    position: relative;
    min-height: 160px;
    padding: 1.3rem 1.35rem;
    border: 1px solid rgba(26, 34, 53, 0.95);
    background:
        linear-gradient(180deg, rgba(9, 14, 25, 0.72), rgba(5, 8, 14, 0.72));
    clip-path: polygon(
        0 0,
        100% 0,
        100% calc(100% - 24px),
        calc(100% - 24px) 100%,
        0 100%
    );
}

.sbi-footer .footer-social-card::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 0;
    height: 0;
    border-bottom: 24px solid var(--sbi-blue);
    border-left: 24px solid transparent;
    opacity: 0.92;
}

.sbi-footer .social-icons {
    display: flex;
    align-items: center;
    gap: 0.95rem;
}

.sbi-footer .social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    color: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(255, 255, 255, 0.055);
    background: rgba(255, 255, 255, 0.015);
    transition:
        color 0.28s ease,
        border-color 0.28s ease,
        background-color 0.28s ease,
        transform 0.28s ease;
}

.sbi-footer .social-icons a:hover {
    color: #ffffff;
    border-color: rgba(0, 81, 255, 0.55);
    background: rgba(0, 81, 255, 0.08);
    transform: translateY(-2px);
}

.sbi-footer .footer-contact-link {
    display: inline-block;
    margin-top: 1.25rem;
    color: rgba(138, 147, 166, 0.9);
    font-size: 0.82rem;
    transition: color 0.28s ease;
}

.sbi-footer .footer-contact-link:hover {
    color: #ffffff;
}

.sbi-footer .footer-bottom {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-top: clamp(2.75rem, 5vw, 4.25rem);
    padding-top: 1.35rem;
    border-top: 1px solid rgba(255, 255, 255, 0.065);
    color: rgba(138, 147, 166, 0.78);
    font-size: 0.78rem;
}


.sbi-footer .footer-powered {
    color: rgba(138, 147, 166, 0.82);
    font-weight: 700;
}

.sbi-footer .footer-powered a {
    color: rgba(255, 255, 255, 0.78);
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sbi-footer .footer-powered a:hover {
    color: #ffffff;
}

.sbi-footer .footer-bottom-signature {
    color: rgba(255, 255, 255, 0.72);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ---------------------------------------------------------
   RESPONSIVE
   --------------------------------------------------------- */
@media (max-width: 1180px) {
    .sbi-footer .footer-shell {
        grid-template-columns: 1fr;
    }

    .sbi-footer .footer-brand-block {
        max-width: none;
    }

    .sbi-footer .footer-nav {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .sbi-footer .footer-social-card {
        max-width: 360px;
    }
}

@media (max-width: 768px) {
    .sbi-footer {
        padding-top: 3rem;
    }

    .sbi-footer .footer-logo-lockup {
        align-items: center;
    }

    .sbi-footer .footer-logo-mark {
        width: 58px;
        height: 58px;
    }

    .sbi-footer .footer-logo-wordmark {
        height: 34px;
        max-width: 190px;
    }

    .sbi-footer .footer-nav {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .sbi-footer .footer-social-card {
        max-width: none;
    }

    .sbi-footer .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .sbi-footer .footer-logo-lockup {
        gap: 0.8rem;
    }

    .sbi-footer .footer-logo-wordmark {
        max-width: 160px;
    }

    .sbi-footer .social-icons {
        flex-wrap: wrap;
    }
}