/* ==========================================================================
   maexbert.de – Animations
   Scroll-triggered reveals, parallax, transitions
   ========================================================================== */

/* --- Fade In (Intersection Observer) --- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-32px);
    transition:
        opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(32px);
    transition:
        opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition:
        opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* --- Typewriter Cursor --- */
.cursor {
    display: inline-block;
    color: var(--accent-primary);
    animation: blink 1s step-end infinite;
    font-weight: 100;
    margin-left: 2px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* --- Scroll Indicator --- */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    animation: float 3s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.5; }
    50% { transform: rotate(45deg) translate(4px, 4px); opacity: 1; }
}

/* --- Glow Pulse --- */
@keyframes glowPulse {
    0%, 100% { box-shadow: var(--shadow-glow); }
    50% { box-shadow: var(--shadow-glow-strong); }
}

.glow-pulse {
    animation: glowPulse 3s ease-in-out infinite;
}

/* --- Gradient Shift --- */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gradient-animate {
    background-size: 200% 200%;
    animation: gradientShift 6s ease infinite;
}

/* --- Hero Wave Emoji --- */
.hero-wave {
    display: inline-block;
    animation: wave 2.5s ease-in-out infinite;
    transform-origin: 70% 70%;
    font-size: 1em;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    30% { transform: rotate(14deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60%, 100% { transform: rotate(0deg); }
}

/* --- Staggered Children --- */
.stagger > *:nth-child(1) { transition-delay: 0.05s; }
.stagger > *:nth-child(2) { transition-delay: 0.10s; }
.stagger > *:nth-child(3) { transition-delay: 0.15s; }
.stagger > *:nth-child(4) { transition-delay: 0.20s; }
.stagger > *:nth-child(5) { transition-delay: 0.25s; }
.stagger > *:nth-child(6) { transition-delay: 0.30s; }
.stagger > *:nth-child(7) { transition-delay: 0.35s; }
.stagger > *:nth-child(8) { transition-delay: 0.40s; }

/* --- Nav Scroll Transition --- */
.navbar-transparent {
    background: transparent !important;
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar-scrolled {
    background: var(--bg-nav-scrolled) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
}

/* --- Parallax Container --- */
.parallax-section {
    overflow: hidden;
    position: relative;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .fade-in-left,
    .fade-in-right,
    .scale-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .cursor { animation: none; opacity: 1; }
    .scroll-indicator { animation: none; }
    .scroll-arrow { animation: none; }
    .hero-wave { animation: none; }
    .glow-pulse { animation: none; }
    .gradient-animate { animation: none; }
}