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

@keyframes pulse-defect {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

@keyframes scan-line {
    0% { top: 0; }
    100% { top: 100%; }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes grid-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.35s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* Scanner visual animation helpers */
.scanner-frame {
    position: relative;
    overflow: hidden;
}

.scanner-frame::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    animation: scan-line 3s ease-in-out infinite;
}

/* Process step connector glow */
.process-step__number::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid var(--color-primary);
    opacity: 0;
    animation: pulse-ring 3s ease-in-out infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.3); opacity: 0; }
    100% { transform: scale(1); opacity: 0; }
}

/* Hero title gradient text effect */
.hero__title {
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text) 60%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Button micro-interactions */
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s;
}

.btn {
    position: relative;
    overflow: hidden;
}

.btn--primary::after {
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
}

.btn--primary:hover::after {
    opacity: 1;
}

/* Nav link underline animation */
.nav__links a:not(.nav__cta) {
    position: relative;
}

.nav__links a:not(.nav__cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.nav__links a:not(.nav__cta):hover::after {
    width: 100%;
}

/* Simulator result transition */
.sim-result__output {
    animation: fade-in-up 0.4s ease forwards;
}

/* Industry card hover glow */
.industry-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at 50% 0%, var(--color-primary-glow), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.industry-card:hover::before {
    opacity: 1;
}