/* ============================================
   V2Bot Landing - Animations (Light Theme)
   Version: 2.0
   ============================================ */

/* ============================================
   FADE ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
}

.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
}

.fade-in-left.is-visible {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
}

.fade-in-right.is-visible {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Stagger Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ============================================
   HERO ANIMATIONS
   ============================================ */
.hero-animate .hero__title {
    animation: heroFadeIn 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-animate .hero__subtitle {
    animation: heroFadeIn 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero-animate .hero__cta {
    animation: heroFadeIn 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

.hero-animate .hero__micro {
    animation: heroFadeIn 0.8s ease forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

.hero-animate .demo-messenger {
    animation: heroSlideIn 1s ease forwards;
    animation-delay: 0.5s;
    opacity: 0;
    transform: translateX(50px);
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroSlideIn {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   DEMO MESSENGER ANIMATIONS
   ============================================ */
.demo-message-enter {
    animation: messageEnter 0.4s ease forwards;
}

@keyframes messageEnter {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Typing Dots Animation */
.typing-dots {
    display: inline-flex;
    gap: 4px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--cyan-primary);
    border-radius: 50%;
    animation: typingBounce 1.2s ease-in-out infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-4px);
    }
}

/* Slide Transition */
.slide-enter {
    animation: slideEnter 0.4s ease forwards;
}

.slide-exit {
    animation: slideExit 0.4s ease forwards;
}

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

@keyframes slideExit {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-30px);
    }
}

/* ============================================
   ENERGY VEINS ANIMATIONS
   ============================================ */
@keyframes veinFlow {
    0% {
        stroke-dashoffset: 1000;
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    50% {
        stroke-dashoffset: 0;
        opacity: 0.5;
    }
    90% {
        opacity: 0;
    }
    100% {
        stroke-dashoffset: -1000;
        opacity: 0;
    }
}

@keyframes nodePulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.5);
        opacity: 1;
    }
}

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

/* ============================================
   CARD ANIMATIONS
   ============================================ */
.card-hover {
    transition: all var(--transition-slow);
}

.card-hover:hover {
    transform: translateY(-6px);
}

/* Card Flip (for expanded dialog) */
.card-flip {
    perspective: 1000px;
}

.card-flip__inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-flip.is-flipped .card-flip__inner {
    transform: rotateY(180deg);
}

.card-flip__front,
.card-flip__back {
    backface-visibility: hidden;
}

.card-flip__back {
    transform: rotateY(180deg);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

/* ============================================
   ACCORDION ANIMATIONS
   ============================================ */
.accordion-expand {
    animation: accordionOpen 0.3s ease forwards;
}

.accordion-collapse {
    animation: accordionClose 0.3s ease forwards;
}

@keyframes accordionOpen {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

@keyframes accordionClose {
    from {
        opacity: 1;
        max-height: 500px;
    }
    to {
        opacity: 0;
        max-height: 0;
    }
}

/* ============================================
   BUTTON ANIMATIONS
   ============================================ */
.btn-shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    30%, 100% {
        left: 100%;
    }
}

/* Button Press */
.btn-press:active {
    transform: scale(0.98);
}

/* ============================================
   TIMELINE ANIMATION (How It Works)
   ============================================ */
.timeline-line {
    background: linear-gradient(90deg,
        transparent 0%,
        var(--gold-primary) 10%,
        var(--cyan-primary) 90%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: timelineFlow 3s ease-in-out infinite;
}

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

/* Step Number Pulse */
.step-number-pulse {
    animation: stepPulse 2s ease-in-out infinite;
}

@keyframes stepPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(212, 168, 83, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(212, 168, 83, 0);
    }
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

[data-reveal="left"] {
    transform: translateX(-30px);
}

[data-reveal="left"].revealed {
    transform: translateX(0);
}

[data-reveal="right"] {
    transform: translateX(30px);
}

[data-reveal="right"].revealed {
    transform: translateX(0);
}

[data-reveal="scale"] {
    transform: scale(0.9);
}

[data-reveal="scale"].revealed {
    transform: scale(1);
}

/* ============================================
   LOADING ANIMATIONS
   ============================================ */
.skeleton {
    background: linear-gradient(90deg,
        var(--bg-tertiary) 25%,
        var(--bg-secondary) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: skeleton 1.5s ease-in-out infinite;
}

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

    .fade-in,
    .fade-in-up,
    .fade-in-left,
    .fade-in-right,
    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}