/**
 * ══════════════════════════════════════════════════════════════
 * AISHAN TECHNOLOGIES — INDEX PAGE STYLES (UNIFIED)
 * File: assets/css/pages/index.css
 * Combined home page layout, components, and carousel crossfade rules.
 * ══════════════════════════════════════════════════════════════ */

/* ─── 1. HERO CAROUSEL WRAPPER ──────────────────────────────── */
.hero-carousel-wrapper {
    position: relative;
    background-color: var(--a-bg);
    overflow: hidden;
}

.hero-carousel-wrapper .hero {
    padding: 5rem 0 4.5rem;
    position: relative;
    overflow: hidden;
    background: var(--a-bg);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(120deg, rgba(13, 17, 23, 0.92) 0%, rgba(13, 17, 23, 0.75) 50%, rgba(153, 27, 27, 0.35) 100%),
        url('https://picsum.photos/seed/aishan-bg/1920/1080');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(220, 38, 38, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(220, 38, 38, 0.07) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at 70% 40%, black, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 70% 40%, black, transparent 70%);
}

.hero-inner { position: relative; z-index: 1; }

/* Carousel Headline & Typography */
.hero-carousel-wrapper .hero-headline {
    font-size: clamp(1.6rem, 2.8vw, 2.35rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 0.75rem;
}

.hero-carousel-wrapper .hero-subhead {
    font-size: 1.05rem;
    color: var(--a-red-hov);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.hero-carousel-wrapper .hero-body {
    font-size: 0.98rem;
    color: var(--a-text-muted);
    margin-bottom: 1.25rem;
    max-width: 38rem;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.hero-trust {
    font-size: 0.85rem;
    color: var(--a-text-dim);
    letter-spacing: 0.03em;
    margin: 0;
    padding-top: 1rem;
    border-top: 1px solid var(--a-border);
    display: inline-block;
}

.hero-visual img {
    border: 1px solid var(--a-border-2);
    filter: saturate(0.9);
}

 /* ─── 2. CAROUSEL CONTROLS & INDICATORS ────────────────────── */
.hero-carousel-wrapper .carousel-indicators {
    bottom: 1.5rem;
    margin-bottom: 0;
    gap: 0.5rem;
    z-index: 10;
}

.hero-carousel-wrapper .carousel-indicators button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--a-border-2);
    border: none;
    opacity: 0.6;
    transition: all var(--a-transition);
}

.hero-carousel-wrapper .carousel-indicators button.active {
    background-color: var(--a-red);
    opacity: 1;
    transform: scale(1.2);
}

.hero-carousel-wrapper .carousel-control-prev,
.hero-carousel-wrapper .carousel-control-next {
    width: 5%;
    opacity: 0;
    transition: opacity var(--a-transition);
    z-index: 10;
}

.hero-carousel-wrapper:hover .carousel-control-prev,
.hero-carousel-wrapper:hover .carousel-control-next {
    opacity: 1;
}

.hero-carousel-wrapper .carousel-control-prev-icon,
.hero-carousel-wrapper .carousel-control-next-icon {
    background-color: rgba(13, 17, 23, 0.75);
    background-size: 50%, 50%;
    border-radius: 50%;
    padding: 1.5rem;
    border: 1px solid var(--a-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* ─── 3. ROCK-SOLID CAROUSEL FADE (NO FLICKER) ──────────────── */
.hero-carousel-wrapper .carousel-inner {
    display: grid;
    grid-template-areas: "slide";
    overflow: hidden;
}

.hero-carousel-wrapper .carousel-item {
    grid-area: slide;
    opacity: 0;
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    visibility: hidden;
    pointer-events: none;
    display: block !important;
    float: none !important;
    margin-right: 0 !important;
}

.hero-carousel-wrapper .carousel-item.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 2;
}

/* Clear default Bootstrap slide transforms that cause horizontal jump/flicker */
.carousel-fade .carousel-item-next.carousel-item-start,
.carousel-fade .carousel-item-prev.carousel-item-end,
.carousel-fade .active.carousel-item-start,
.carousel-fade .active.carousel-item-end {
    transform: none !important;
}

/* ─── 4. TRUST STRIP ────────────────────────────────────────── */
.trust-strip {
    padding: 1.75rem 0;
    border-top: 1px solid var(--a-border);
    border-bottom: 1px solid var(--a-border);
    background: var(--a-bg-elevated);
}
.trust-label {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--a-red-hov);
}
.trust-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    align-items: center;
    justify-content: space-between;
}
.trust-logo {
    font-weight: 700;
    color: var(--a-text-muted);
    font-size: 1rem;
    letter-spacing: 0.03em;
    opacity: 0.75;
    transition: all var(--a-transition);
}
.trust-logo:hover { opacity: 1; color: var(--a-red-hov); }

/* ─── 5. SERVICE CARDS ──────────────────────────────────────── */
.service-card {
    position: relative;
    background: var(--a-bg-elevated);
    border: 1px solid var(--a-border);
    border-radius: var(--a-radius);
    padding: 2rem 1.75rem;
    height: 100%;
    transition: all var(--a-transition);
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--a-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--a-transition);
}
.service-card:hover {
    background: var(--a-bg-2);
    border-color: var(--a-red);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(220, 38, 38, 0.15);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--a-radius-sm);
    background: var(--a-red-soft);
    color: var(--a-red-hov);
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
    transition: all var(--a-transition);
}
.service-card:hover .service-icon {
    background: var(--a-red);
    color: #fff;
}
.service-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
}
.service-desc {
    color: var(--a-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}
.service-more {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--a-red-hov);
    letter-spacing: 0.02em;
}
.service-more i { transition: transform var(--a-transition); }
.service-card:hover .service-more i { transform: translateX(4px); }

/* ─── 6. PROCESS CARDS ──────────────────────────────────────── */
.process-card {
    position: relative;
    background: var(--a-bg-elevated);
    border: 1px solid var(--a-border);
    border-radius: var(--a-radius);
    padding: 2rem 1.5rem 1.75rem;
    height: 100%;
    transition: all var(--a-transition);
}
.process-card:hover {
    border-color: var(--a-red);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(220, 38, 38, 0.15);
}
.process-num {
    position: absolute;
    top: 1rem; right: 1.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--a-red-hov);
    letter-spacing: 0.05em;
}
.process-icon {
    font-size: 1.75rem;
    color: var(--a-red-hov);
    margin-bottom: 1rem;
}
.process-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.process-desc {
    color: var(--a-text-muted);
    font-size: 0.92rem;
    margin: 0;
}

/* ─── 7. TESTIMONIAL ────────────────────────────────────────── */
.testimonial-section { background: var(--a-bg); }
.testimonial {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    padding: 3rem 2rem;
    background: var(--a-bg-elevated);
    border: 1px solid var(--a-border);
    border-radius: var(--a-radius-lg);
    border-left: 4px solid var(--a-red);
}
.testimonial-quote-icon {
    font-size: 2rem;
    color: var(--a-red);
    opacity: 0.5;
    margin-bottom: 1.25rem;
}
.testimonial-text {
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    font-weight: 500;
    line-height: 1.55;
    color: var(--a-text);
    margin-bottom: 1.5rem;
}
.testimonial-author strong {
    display: block;
    font-weight: 700;
    color: var(--a-text);
    font-size: 1rem;
}
.testimonial-author span {
    color: var(--a-text-muted);
    font-size: 0.9rem;
}

/* ─── 8. RESPONSIVE BREAKPOINTS ─────────────────────────────── */
@media (max-width: 991.98px) {
    .hero-carousel-wrapper .hero { padding: 3.5rem 0 3rem; }
    .hero-carousel-wrapper .hero-headline { font-size: 1.5rem; }
    .hero-carousel-wrapper .carousel-control-prev,
    .hero-carousel-wrapper .carousel-control-next { display: none; }
    .trust-logos { justify-content: flex-start; }
    .testimonial { padding: 2rem 1.25rem; }
}

@media (max-width: 575.98px) {
    .hero-ctas { flex-direction: column; align-items: stretch; }
    .hero-ctas .btn { width: 100%; }
}