/**
 * FOOTER NAV — sekmeli footer navigasyonu (bayigram-tarzı).
 * Sekme tıklayınca ilgili linkli grid açılır (client-side). Koyu zemin, beyaz metin.
 */
.fnav {
    --fnav-accent: var(--bs-primary, #2563eb);
    --fnav-line: rgba(255, 255, 255, 0.09);
    --fnav-text: rgba(255, 255, 255, 0.56);
    --fnav-head: #f2f5fb;
    margin-top: clamp(1.6rem, 3vw, 2.4rem);
}

/* ══ Sekmeler ══ */
.fnav__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.6rem;
    align-items: stretch;
    border-bottom: 1px solid var(--fnav-line);
}
.fnav__tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 0.15rem;
    margin: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    font: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--fnav-text);
    white-space: nowrap;
    transition: color 0.2s ease;
}
.fnav__tab i {
    font-size: 1.02rem;
    color: currentColor;
    opacity: 0.85;
}
.fnav__tab::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    border-radius: 2px 2px 0 0;
    background: var(--fnav-accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}
.fnav__tab:hover {
    color: rgba(255, 255, 255, 0.85);
}
.fnav__tab.is-active {
    color: var(--fnav-head);
}
.fnav__tab.is-active i {
    color: var(--fnav-accent);
    opacity: 1;
}
.fnav__tab.is-active::after {
    transform: scaleX(1);
}

/* ══ Paneller ══ */
.fnav__body {
    padding-top: clamp(1.3rem, 2.5vw, 2rem);
}
.fnav__panel {
    display: none;
}
.fnav__panel.is-active {
    display: block;
    animation: fnavReveal 0.32s ease both;
}
@keyframes fnavReveal {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ══ Link grid ══ */
.fnav__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.55rem 1.6rem;
}
.fnav__grid--corp {
    grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
}
.fnav__link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 0;
    padding: 0.3rem 0;
    font-size: 0.86rem;
    line-height: 1.35;
    color: var(--fnav-text);
    text-decoration: none;
    transition: color 0.16s ease, transform 0.16s ease;
}
.fnav__link i {
    flex: 0 0 auto;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.16s ease;
}
.fnav__link span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.fnav__link:hover {
    color: var(--fnav-head);
    transform: translateX(3px);
}
.fnav__link:hover i {
    color: var(--fnav-accent);
}

/* ══ Responsive ══ */
@media (max-width: 1199.98px) {
    .fnav__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 767.98px) {
    .fnav__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .fnav__tabs { gap: 0.2rem 1rem; }
    .fnav__tab { font-size: 0.72rem; padding: 0.7rem 0.1rem; }
}
@media (max-width: 479.98px) {
    .fnav__grid { grid-template-columns: 1fr; }
    .fnav__tab span { display: none; }
    .fnav__tab i { font-size: 1.2rem; }
    .fnav__tab { padding: 0.7rem 0.6rem; }
}

/* ══ Kurumsal panel: linkler (sol) + öne çıkan "Warum OrvaPro" kartı (sağ) ══ */
.fnav__corp {
    display: grid;
    grid-template-columns: 1fr minmax(0, 20rem);
    gap: clamp(1.4rem, 3vw, 3rem);
    align-items: start;
}
.fnav__feature {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.4rem;
    border-radius: 1rem;
    text-decoration: none;
    background: linear-gradient(150deg, color-mix(in srgb, var(--fnav-accent) 24%, #0e1420), #0b0e15);
    border: 1px solid color-mix(in srgb, var(--fnav-accent) 30%, transparent);
    box-shadow: 0 18px 42px -24px color-mix(in srgb, var(--fnav-accent) 60%, transparent);
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.fnav__feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 28px 52px -22px color-mix(in srgb, var(--fnav-accent) 72%, transparent);
}
.fnav__feature-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 0.75rem;
    background: var(--fnav-accent);
    color: #fff;
    font-size: 1.3rem;
    box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--fnav-accent) 80%, transparent);
}
.fnav__feature-title { font-size: 1.05rem; font-weight: 800; color: #fff; margin-top: 0.15rem; }
.fnav__feature-desc { font-size: 0.85rem; line-height: 1.55; color: rgba(255, 255, 255, 0.66); }
.fnav__feature-list { display: flex; flex-direction: column; gap: 0.32rem; margin-top: 0.25rem; }
.fnav__feature-list span { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.82rem; color: rgba(255, 255, 255, 0.82); }
.fnav__feature-list i { color: #22c55e; font-size: 0.98rem; }
.fnav__feature-cta { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 0.5rem; font-size: 0.85rem; font-weight: 700; color: #fff; }
.fnav__feature-cta i { transition: transform 0.2s ease; }
.fnav__feature:hover .fnav__feature-cta i { transform: translateX(3px); }
@media (max-width: 991.98px) {
    .fnav__corp { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .fnav__panel.is-active { animation: none; }
    .fnav__link, .fnav__tab, .fnav__tab::after, .fnav__feature, .fnav__feature-cta i { transition: none; }
}