/**
 * فوتر الموقع — هوية تركواز / مرجاني
 */
.sf {
    --sf-teal: #0d9488;
    --sf-teal-deep: #0a5c56;
    --sf-ink: #042f2e;
    --sf-coral: #f97316;
    --sf-sand: #fde68a;
    --sf-mist: rgba(255, 255, 255, 0.78);
    position: relative;
    margin-top: 4rem;
    color: #ecfdf5;
    font-family: 'Tajawal', 'Fredoka', sans-serif;
    overflow: hidden;
    isolation: isolate;
}

.sf__wave {
    display: block;
    width: 100%;
    height: clamp(48px, 8vw, 88px);
    margin-bottom: -1px;
    color: var(--sf-ink);
}

.sf__body {
    position: relative;
    background:
        radial-gradient(900px 420px at 12% 0%, rgba(249, 115, 22, 0.22), transparent 55%),
        radial-gradient(700px 380px at 92% 30%, rgba(13, 148, 136, 0.45), transparent 50%),
        linear-gradient(165deg, #064e4a 0%, #0a5c56 38%, #042f2e 100%);
    padding: 1.5rem 0 0;
}

.sf__glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 80%, rgba(253, 230, 138, 0.08), transparent 35%),
        radial-gradient(circle at 80% 70%, rgba(45, 212, 191, 0.12), transparent 40%);
    animation: sfDrift 14s ease-in-out infinite alternate;
}

@keyframes sfDrift {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to { transform: translate3d(-2%, 1.5%, 0) scale(1.04); }
}

.sf__inner {
    position: relative;
    z-index: 1;
    width: min(1180px, calc(100% - 2.5rem));
    margin: 0 auto;
    padding: 0 0 1.75rem;
}

.sf__top {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 1.25rem;
    align-items: stretch;
    margin-bottom: 2rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.sf__brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sf__logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sf__logo img {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    object-fit: cover;
    border: 2px solid rgba(253, 230, 138, 0.45);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
    background: #fff;
}

.sf__logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.sf__logo-text strong {
    font-family: 'Fredoka', 'Tajawal', sans-serif;
    font-size: clamp(1.35rem, 2.5vw, 1.85rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(120deg, #fff 10%, #fde68a 55%, #fdba74 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.sf__logo-text span {
    color: rgba(236, 253, 245, 0.72);
    font-weight: 700;
    font-size: 0.95rem;
}

.sf__tagline {
    margin: 0;
    max-width: 42ch;
    line-height: 1.85;
    font-weight: 600;
    color: var(--sf-mist);
    font-size: 1rem;
}

.sf__patent {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.65rem;
    padding: 1.25rem 1.35rem;
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(253, 230, 138, 0.35);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.sf__patent-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    width: fit-content;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--sf-coral), #ea580c);
    color: #fff;
    font-weight: 800;
    font-size: 0.82rem;
    box-shadow: 0 10px 22px rgba(249, 115, 22, 0.35);
}

.sf__patent p {
    margin: 0;
    font-weight: 700;
    line-height: 1.7;
    color: #fff;
    font-size: 0.98rem;
}

.sf__patent small {
    display: block;
    margin-top: 0.35rem;
    color: rgba(253, 230, 138, 0.9);
    font-weight: 700;
    font-size: 0.88rem;
    line-height: 1.6;
}

.sf__grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1fr 1.15fr;
    gap: 1.75rem 1.5rem;
    margin-bottom: 2rem;
}

.sf__col h4 {
    margin: 0 0 1rem;
    font-size: 1.05rem;
    font-weight: 800;
    color: #fde68a;
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.sf__col h4 i {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: rgba(13, 148, 136, 0.35);
    color: #5eead4;
    font-size: 0.85rem;
}

.sf__links {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.sf__links a {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0;
    color: rgba(236, 253, 245, 0.78);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease, transform 0.2s ease;
}

.sf__links a i {
    color: #2dd4bf;
    font-size: 0.75rem;
    transition: transform 0.2s ease, color 0.2s ease;
}

.sf__links a:hover {
    color: #fff;
    transform: translateX(-6px);
}

.sf__links a:hover i {
    color: var(--sf-coral);
    transform: scale(1.15);
}

.sf__contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sf__contact a,
.sf__contact span {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(236, 253, 245, 0.85);
    text-decoration: none;
    font-weight: 700;
    line-height: 1.55;
}

.sf__contact a:hover { color: #fde68a; }

.sf__contact i {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.55), rgba(249, 115, 22, 0.35));
    color: #fff;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}

.sf__social {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 0.35rem;
}

.sf__social a {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    transition: transform 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.sf__social a:hover {
    transform: translateY(-5px) scale(1.05);
    background: linear-gradient(135deg, var(--sf-coral), #ea580c);
    border-color: transparent;
    box-shadow: 0 12px 24px rgba(249, 115, 22, 0.35);
}

.sf__cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.75rem;
    padding: 1.15rem 1.35rem;
    border-radius: 20px;
    background: linear-gradient(120deg, rgba(249, 115, 22, 0.22), rgba(13, 148, 136, 0.28));
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.sf__cta p {
    margin: 0;
    font-weight: 800;
    font-size: 1.05rem;
    color: #fff;
}

.sf__cta span {
    display: block;
    margin-top: 0.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: rgba(236, 253, 245, 0.75);
}

.sf__cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.sf__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.15rem;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sf__btn:hover { transform: translateY(-2px); }

.sf__btn--primary {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    box-shadow: 0 12px 24px rgba(249, 115, 22, 0.32);
}

.sf__btn--ghost {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.sf__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 0 0.35rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.sf__copy {
    margin: 0;
    font-weight: 700;
    color: rgba(236, 253, 245, 0.65);
    font-size: 0.92rem;
    line-height: 1.7;
}

.sf__copy .heart {
    display: inline-block;
    color: #fb7185;
    animation: sfHeart 1.4s ease-in-out infinite;
}

@keyframes sfHeart {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.18); }
}

.sf__bottom-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.sf__bottom-links a {
    color: rgba(236, 253, 245, 0.65);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.92rem;
    transition: color 0.2s ease;
}

.sf__bottom-links a:hover { color: #fde68a; }

@media (max-width: 980px) {
    .sf__top { grid-template-columns: 1fr; }
    .sf__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .sf { margin-top: 2.5rem; }
    .sf__grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .sf__cta { text-align: center; justify-content: center; }
    .sf__cta-actions { justify-content: center; width: 100%; }
    .sf__btn { flex: 1; justify-content: center; }
    .sf__bottom { flex-direction: column; text-align: center; }
    .sf__bottom-links { justify-content: center; }
    .sf__social { justify-content: flex-start; }
    .sf__logo { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
    .sf__glow,
    .sf__copy .heart { animation: none; }
}