/* ===== AOS Scroll Animations ===== */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ===== Premium Hero Particles ===== */
@keyframes float-particle {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.4; }
    50% { transform: translateY(-100px) rotate(180deg); }
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    opacity: 0;
    animation: float-particle 8s ease-in-out infinite;
    pointer-events: none;
}

/* ===== Stats Counter Section ===== */
.stats {
    background: linear-gradient(135deg, var(--secondary), #1e293b);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(37,99,235,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(6,182,212,0.08) 0%, transparent 50%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-label {
    color: #94a3b8;
    font-size: 1rem;
    font-weight: 500;
}

/* ===== 3D Card Tilt ===== */
.service-card, .about-card, .product-card, .why-item {
    perspective: 1000px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover, .about-card:hover {
    transform: translateY(-8px) rotateX(2deg);
}

/* ===== Navbar Refined ===== */
.navbar {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(24px) saturate(1.5);
    -webkit-backdrop-filter: blur(24px) saturate(1.5);
}

/* ===== Smooth Gradient Border ===== */
.gradient-border {
    position: relative;
}

.gradient-border::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--primary), var(--accent), var(--primary-light));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gradient-border:hover::after {
    opacity: 1;
}

/* ===== Glow Effects ===== */
.glow {
    transition: box-shadow 0.3s ease;
}

.glow:hover {
    box-shadow: 0 0 30px rgba(37,99,235,0.15), 0 8px 24px rgba(37,99,235,0.1);
}

/* ===== Shimmer Text ===== */
.shimmer {
    background: linear-gradient(90deg, 
        rgba(255,255,255,0) 0%, 
        rgba(255,255,255,0.4) 50%, 
        rgba(255,255,255,0) 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 16px rgba(37,99,235,0.3);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(37,99,235,0.4);
}

/* ===== Progress Bar ===== */
.reading-progress {
    position: fixed;
    top: 70px;
    left: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    z-index: 999;
    width: 0;
    transition: width 0.1s linear;
}

/* ===== Section Divider ===== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37,99,235,0.2), transparent);
    margin: 0;
}

/* ===== Contact Form Enhancements ===== */
.contact-form {
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent), var(--primary));
    background-size: 200% 100%;
    animation: gradientSlide 3s ease infinite;
}

@keyframes gradientSlide {
    0%, 100% { background-position: 0% 0; }
    50% { background-position: 100% 0; }
}

/* ===== Footer Enhancements ===== */
.footer {
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37,99,235,0.3), var(--accent), rgba(37,99,235,0.3), transparent);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .stat-number { font-size: 2.2rem; }
    .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 1rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}