/* ============================================================
   ANIMATIONS — Scroll triggers, transitions, keyframes
   ============================================================ */

/* ============================================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================================ */

/* Elements start hidden, animate in when visible */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 560ms; }

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

/* Slide from left */
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Slide from right */
.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Scale in */
.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* ============================================================
   HERO ENTRANCE ANIMATIONS
   ============================================================ */
.hero-content .badge {
    animation: fadeInUp 0.8s var(--ease-out) both;
}

.hero-content h1 {
    animation: fadeInUp 0.8s var(--ease-out) 0.1s both;
}

.hero-content .tagline {
    animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.hero-content .hero-actions {
    animation: fadeInUp 0.8s var(--ease-out) 0.3s both;
}

.hero-content .hero-stats {
    animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

.hero-content .hero-sub {
    animation: fadeInUp 0.8s var(--ease-out) 0.5s both;
}

/* Counter animation on hero stats */
.hero-stat-num {
    animation: countFadeIn 0.6s var(--ease-out) 0.6s both;
}

@keyframes countFadeIn {
    from { opacity: 0; transform: translateY(10px) scale(0.9); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.scroll-indicator {
    animation: fadeInUp 0.8s var(--ease-out) 0.8s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   PARALLAX TILT EFFECT (via JS)
   ============================================================ */
.tilt-card {
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* ============================================================
   GLOW BORDER ANIMATION ON HOVER
   ============================================================ */
@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(37, 99, 235, 0.06); }
    50% { box-shadow: 0 4px 24px rgba(37, 99, 235, 0.12); }
}

/* ============================================================
   PIPELINE STEP ANIMATION
   ============================================================ */
.pipeline-step {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.pipeline.visible .pipeline-step:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.pipeline.visible .pipeline-step:nth-child(2) { transition-delay: 150ms; opacity: 1; transform: translateY(0); }
.pipeline.visible .pipeline-step:nth-child(3) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.pipeline.visible .pipeline-step:nth-child(4) { transition-delay: 450ms; opacity: 1; transform: translateY(0); }
.pipeline.visible .pipeline-step:nth-child(5) { transition-delay: 600ms; opacity: 1; transform: translateY(0); }

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .reveal-stagger > *,
    .pipeline-step {
        opacity: 1;
        transform: none;
    }
}