/* =========================
   REVEAL ON SCROLL
========================= */

.fade-in-hidden {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* =========================
   INTERACTIVE ELEMENTS
========================= */

.primary-btn,
.secondary-btn,
.inquiry-btn {
    transition: var(--transition);
    cursor: pointer;
}

.primary-btn:hover,
.secondary-btn:hover,
.inquiry-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.scale-hover {
    transition: var(--transition);
}

.scale-hover:hover {
    transform: scale(1.03);
}

/* =========================
   CARD HOVERS
========================= */

.product-card,
.usp-card,
.value-card,
.card {
    transition: var(--transition);
}

.product-card:hover,
.usp-card:hover,
.value-card:hover,
.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* =========================
   GLOBAL SMOOTH SCROLL
========================= */

html {
    scroll-behavior: smooth;
}

/* =========================
   CUSTOM ANIMATIONS
========================= */

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.float-anim {
    animation: float 4s ease-in-out infinite;
}