/* ===== Variables / base ===== */
.ab-footer {
    --bg: #0e4a46;
    /* deep teal */
    --bg-2: #0b3f3c;
    --line: #1b5e59;
    /* subtle diagonal lines */
    --text: #cfe6e3;
    /* light text */
    --muted: #a9c4c1;
    --accent: #e49a2f;
    /* bottom bar (golden) */
    --white: #ffffff;
    color: var(--text);
    background: linear-gradient(180deg, var(--bg), var(--bg-2));
    position: relative;
    overflow: hidden;
}

.ab-footer__inner::before {
    /* faint diagonal geometry like the screenshot */
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(120deg, transparent 60%, var(--line) 60% 61%, transparent 61%) no-repeat,
        linear-gradient(205deg, transparent 35%, var(--line) 35% 36%, transparent 36%) no-repeat,
        linear-gradient(330deg, transparent 40%, var(--line) 40% 41%, transparent 41%) no-repeat;
    opacity: .35;
    pointer-events: none;
}

.ab-footer__inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    padding: 48px clamp(20px, 4vw, 56px) 40px;
    position: relative;
    z-index: 1;
}

/* ===== Brand column ===== */
.ab-footer__brand {}

.ab-footer__logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--white);
    letter-spacing: .08em;
    font-size: 20px;
    text-transform: uppercase;
    font-weight: 600;
}

.ab-footer__logo svg {
    width: 28px;
    height: 28px;
}

.ab-footer__mission {
    margin: 18px 0 22px;
    line-height: 1.6;
    max-width: 540px;
    color: var(--muted);
}

.ab-footer__social {
    display: flex;
    gap: 14px;
    padding: 0;
    margin: 0 0 26px;
    list-style: none;
}

.ab-footer__social a {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 10px;
    color: var(--white);
    text-decoration: none;
    transition: .2s ease;
}

.ab-footer__social a:hover {
    transform: translateY(-2px);
    border-color: var(--white);
}

.ab-footer__social svg {
    width: 18px;
    height: 18px;
}

.ab-footer__top {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 12px;
    padding: 10px 14px;
    text-decoration: none;
    color: var(--white);
    font-size: 14px;
}

.ab-footer__top:hover{
    color:#ffffff;
    text-decoration: none;
}

.ab-footer__top::before {
    content: "↑";
    display: inline-block;
    transform: translateY(-1px);
}

/* ===== Links columns ===== */
.ab-footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 42px;
}

.ab-footer__col h6 {
    margin: 2px 0 14px;
    font-size: 14px;
    color: #e8f4f2;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.ab-footer__col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ab-footer__col li {
    margin: 10px 0;
}

.ab-footer__col a {
    color: var(--text);
    text-decoration: none;
}

.ab-footer__col a:hover {
    color: var(--white);
    text-decoration: underline;
}

/* ===== Bottom bar ===== */
.ab-footer__bar {
    background: var(--accent);
    text-align: center;
    color: #1b1b1b;
    font-size: 12px;
    padding: 1px 10px;
}

/* ===== Responsive ===== */
/* base (≥1200px desktop) */
.ab-footer__inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    /* brand | links (2 cols) */
    gap: 56px;
    padding: 48px clamp(20px, 4vw, 56px) 40px;
}

.ab-footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    /* two link columns */
    gap: 42px;
}

.ab-footer__social a {
    width: 36px;
    height: 36px;
}

.ab-footer__top {
    font-size: 14px;
    padding: 10px 14px;
}

/* ≤1199px (large tablets / small laptops) */
@media (max-width: 1199px) {
    .ab-footer__inner {
        grid-template-columns: 1fr 1fr;
        /* two even cols */
        gap: 40px;
        padding: 40px 32px 32px;
    }

    .ab-footer__brand .ab-footer__mission {
        max-width: 620px;
    }

    .ab-footer__links {
        gap: 28px;
    }
}

/* ≤991px (tablet portrait) */
@media (max-width: 991px) {
    .ab-footer__inner {
        grid-template-columns: 1fr;
        /* stack brand over links */
        gap: 32px;
    }

    .ab-footer__links {
        grid-template-columns: 1fr 1fr 1fr;
        /* keep two small columns */
        gap: 24px;
    }

    .ab-footer__social a {
        width: 34px;
        height: 34px;
    }

    .ab-footer::before {
        opacity: 0.28;
    }

    /* lighten decorative lines */
}

/* ≤767px (large phones) */
@media (max-width: 767px) {
    .ab-footer__inner {
        padding: 32px 20px 24px;
    }

    .ab-footer__brand{
        display: flex;
        flex-direction: column;
    }

    .ab-footer__links {
        grid-template-columns: 1fr 1fr 1fr;
        /* one column list */
        gap: 18px;
    }

    .ab-footer__col h6 {
        font-size: 13px;
        margin: 0 0 10px;
    }

    .ab-footer__col li {
        margin: 8px 0;
    }

    .ab-footer__social {
        gap: 10px;
    }

    .ab-footer__social a {
        width: 32px;
        height: 32px;
        border-radius: 8px;
    }

    .ab-footer__top {
        font-size: 13px;
        padding: 8px 12px;
        width: 90px;
    }
}

/* ≤479px (small phones) */
@media (max-width: 479px) {
    .ab-footer__logo span {
        font-size: 18px;
    }

    .ab-footer__links {
        grid-template-columns: 1fr 1fr;
        /* one column list */
        gap: 18px;
    }

    .ab-footer__mission {
        font-size: 14px;
    }

    .ab-footer__social a {
        width: 30px;
        height: 30px;
    }

    .ab-footer__bar {
        font-size: 11px;
        padding: 5px 10px;
    }

    .ab-footer::before {
        display: none;
    }

    /* remove background motif for clarity/perf */
}
@media (max-width: 320px) {
    .ab-footer__links {
        grid-template-columns: 1fr;
        /* one column list */
        gap: 18px;
    }
}
/* high‑density screens: crisp svg */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {

    .ab-footer__social svg,
    .ab-footer__logo svg {
        shape-rendering: geometricPrecision;
    }
}

/* optional: respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .ab-footer * {
        transition: none !important;
    }
}