/* EmbChips UI polish — scroll progress, mobile nav, a11y, cards */

/* Scroll progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    z-index: 10001;
    background: linear-gradient(90deg, #2563eb, #8b5cf6, #06b6d4);
    box-shadow: 0 0 12px rgba(37, 99, 235, 0.6);
    transition: width 0.08s linear;
    pointer-events: none;
}

/* Mobile menu overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 8, 23, 0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

body.nav-open {
    overflow: hidden;
}

@media (max-width: 992px) {
    .navbar-nav.active {
        box-shadow: 0 24px 64px rgba(2, 8, 23, 0.55);
    }
}

/* Focus states */
:focus-visible {
    outline: 2px solid #60a5fa;
    outline-offset: 3px;
}

.btn:focus-visible,
.nav-link:focus-visible,
a:focus-visible {
    outline: 2px solid #60a5fa;
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 10002;
    padding: 0.65rem 1.25rem;
    background: #2563eb;
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
}

/* Case study card — full card click */
.case-study-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
    border-radius: inherit;
}

.case-study-card-link .case-study-card {
    height: 100%;
    cursor: pointer;
}

.case-study-card-link .btn-primary {
    pointer-events: none;
}

.case-study-card-link:hover .case-study-card {
    transform: translateY(-10px);
}

/* Industry cards — subtle lift */
.industry-card {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
}

.industry-card:hover {
    transform: translateY(-6px);
}

.industry-card img {
    transition: transform 0.5s ease;
}

.industry-card:hover img {
    transform: scale(1.06);
}

/* Service card learn-more */
.service-card .card-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #60a5fa;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.25s ease, transform 0.25s ease, gap 0.2s ease;
}

.service-card:hover .card-cta {
    opacity: 1;
    transform: translateY(0);
}

.service-card .card-cta i {
    transition: transform 0.2s ease;
}

.service-card:hover .card-cta i {
    transform: translateX(4px);
}

/* Light theme navbar */
[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.92) !important;
    border-bottom-color: rgba(0, 0, 0, 0.06) !important;
}

[data-theme="light"] .nav-link {
    color: #374151 !important;
}

[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active {
    color: #2563eb !important;
    background: rgba(37, 99, 235, 0.08) !important;
}

[data-theme="light"] .navbar-toggler span {
    background: #374151 !important;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .scroll-progress {
        display: none;
    }

    .hero::after,
    .whatsapp-chat,
    .floating-card {
        animation: none !important;
    }
}