html {
    scroll-behavior: smooth;
}
.gradient-bg {
    background: linear-gradient(135deg, #0066FF 0%, #004499 50%, #FF6B35 100%);
}
nav {
    isolation: isolate;
}
.nav-logo {
    height: 4rem;
    display: flex;
    align-items: center;
}
.nav-logo img {
    height: 3.95rem;
    width: auto;
    max-width: 18rem;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}
.footer-logo img {
    height: 5rem;
    width: auto;
    max-width: 20rem;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}
.hero-slider {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
    filter: grayscale(10%) brightness(0.85);
}
.hero-slide.active {
    opacity: 1;
}
.below-fold {
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}
.nav-tab-ai {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.12) 0%, rgba(229, 57, 53, 0.12) 100%);
    border: 1px solid rgba(255, 107, 53, 0.35);
}
.nav-tab-ai-active {
    background: linear-gradient(135deg, #0066FF 0%, #E53935 100%);
    color: #fff;
    border-color: transparent;
}
.ai-hero {
    background-size: cover;
    background-position: center;
}
.ai-card-featured {
    background: linear-gradient(145deg, rgba(0, 102, 255, 0.06) 0%, rgba(229, 57, 53, 0.04) 100%);
}
.ai-card-featured .brand-img {
    height: 14rem;
}
.ai-pillar {
    position: relative;
    overflow: hidden;
    min-height: 22rem;
    border-radius: 1rem;
}
.ai-pillar img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.ai-pillar:hover img {
    transform: scale(1.06);
}
.ai-pillar-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 20, 60, 0.92) 0%, rgba(0, 40, 120, 0.45) 55%, rgba(0, 0, 0, 0.15) 100%);
}
.ai-flagship {
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 102, 255, 0.18);
}
.ai-flagship-img {
    height: 20rem;
    object-fit: cover;
}
@media (min-width: 1024px) {
    .ai-flagship-img {
        height: 100%;
        min-height: 22rem;
    }
}
.ai-flagship:hover {
    box-shadow: 0 30px 60px -15px rgba(255, 107, 53, 0.25);
}
.ai-hpc-dark {
    background: linear-gradient(135deg, #0a1628 0%, #1a1a2e 50%, #0d2137 100%);
}
.product-badge {
    background: linear-gradient(135deg, #0066FF 0%, #E53935 100%);
}
.nav-tab-fkm {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15) 0%, rgba(0, 102, 255, 0.12) 100%);
    border: 1px solid rgba(255, 107, 53, 0.4);
    color: #0066FF;
}
.nav-tab-fkm-active {
    background: linear-gradient(135deg, #FF6B35 0%, #0066FF 100%);
    color: #fff;
    border-color: transparent;
}
.nav-dropdown-menu {
    z-index: 60;
}
.page-hero {
    background-size: cover;
    background-position: center;
    min-height: 55vh;
}
.product-card {
    border-radius: 1.25rem;
    overflow: hidden;
    background: #fff;
    border: 1px solid #f3f4f6;
    box-shadow: 0 10px 40px -12px rgba(0, 102, 255, 0.12);
    transition: box-shadow 0.3s, transform 0.3s;
}
.product-card:hover {
    box-shadow: 0 25px 50px -12px rgba(255, 107, 53, 0.2);
    transform: translateY(-4px);
}
.product-card-img {
    height: 14rem;
    object-fit: contain;
    background: linear-gradient(145deg, #f8fafc 0%, #eef2ff 100%);
    padding: 1.5rem;
    width: 100%;
}
.product-card-featured {
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 102, 255, 0.15);
}
.product-card-featured .product-card-img-lg {
    height: 18rem;
    object-fit: contain;
    background: linear-gradient(145deg, #0a1628 0%, #1e3a5f 100%);
    padding: 2rem;
    width: 100%;
}
.fkm-stat {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 1rem;
}
.brand-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

/* Ana sayfa hero — Yapay Zeka & FKM geçiş butonları */
.hero-feature-btns {
    margin-top: 1.5rem;
}

.hero-cta-ai,
.hero-cta-fkm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    min-width: 11.5rem;
    padding: 0.9375rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 1.0625rem;
    letter-spacing: 0.025em;
    color: #fff;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 140, 60, 0.75);
    background: linear-gradient(135deg, #FF7518 0%, #E5660F 100%);
    box-shadow:
        0 10px 36px rgba(255, 117, 24, 0.45),
        0 4px 12px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.28);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.35s ease,
                background 0.35s ease;
}

.hero-cta-fkm {
    min-width: 13rem;
}

.hero-cta-ai::after,
.hero-cta-fkm::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.08));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.hero-cta-ai::before,
.hero-cta-fkm::before {
    content: '';
    position: absolute;
    top: 0;
    left: -120%;
    width: 70%;
    height: 100%;
    background: linear-gradient(105deg, transparent 20%, rgba(255, 255, 255, 0.28) 50%, transparent 80%);
    transition: left 0.65s ease;
    z-index: 0;
}

.hero-cta-ai:hover,
.hero-cta-fkm:hover {
    transform: translateY(-4px) scale(1.03);
    border-color: rgba(255, 160, 80, 0.9);
    color: #fff;
    background: linear-gradient(135deg, #FF8533 0%, #FF7518 100%);
    box-shadow:
        0 16px 48px rgba(255, 117, 24, 0.55),
        0 0 28px rgba(255, 117, 24, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.hero-cta-ai:hover::before,
.hero-cta-fkm:hover::before {
    left: 130%;
}

.hero-cta-ai .hero-cta-icon,
.hero-cta-fkm .hero-cta-icon {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    opacity: 0.95;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.hero-cta-ai .hero-cta-label,
.hero-cta-fkm .hero-cta-label {
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
}

.hero-cta-fkm .hero-cta-label {
    font-size: 0.9375rem;
    line-height: 1.35;
    text-align: center;
}

.hero-cta-ai .hero-cta-arrow,
.hero-cta-fkm .hero-cta-arrow {
    position: relative;
    z-index: 1;
    width: 1rem;
    height: 1rem;
    opacity: 0.85;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hero-cta-ai:hover .hero-cta-arrow,
.hero-cta-fkm:hover .hero-cta-arrow {
    transform: translateX(3px);
    opacity: 1;
}

@media (min-width: 640px) {
    .hero-cta-ai,
    .hero-cta-fkm {
        min-width: 13rem;
        padding: 1rem 2.25rem;
    }
    .hero-cta-fkm {
        min-width: 20rem;
    }
    .hero-cta-fkm .hero-cta-label {
        font-size: 1.0625rem;
    }
}