/**
 * Ecopetróleo "Impulso Dominicano" - Animations
 * Keyframe animations, scroll effects, and transitions
 */

/* ========================================
   SCROLL REVEAL ANIMATIONS
   ======================================== */

/* Base state for animated elements */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-long) var(--ease-standard),
                transform var(--duration-long) var(--ease-standard);
}

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

/* Stagger delays for children */
.animate-stagger > *:nth-child(1) { transition-delay: 0ms; }
.animate-stagger > *:nth-child(2) { transition-delay: 100ms; }
.animate-stagger > *:nth-child(3) { transition-delay: 200ms; }
.animate-stagger > *:nth-child(4) { transition-delay: 300ms; }
.animate-stagger > *:nth-child(5) { transition-delay: 400ms; }
.animate-stagger > *:nth-child(6) { transition-delay: 500ms; }
.animate-stagger > *:nth-child(7) { transition-delay: 600ms; }
.animate-stagger > *:nth-child(8) { transition-delay: 700ms; }

/* Fade variations */
.animate-fade-up {
    opacity: 0;
    transform: translateY(40px);
}

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

.animate-fade-down {
    opacity: 0;
    transform: translateY(-40px);
}

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

.animate-fade-left {
    opacity: 0;
    transform: translateX(40px);
}

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

.animate-fade-right {
    opacity: 0;
    transform: translateX(-40px);
}

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

/* Scale animations */
.animate-scale {
    opacity: 0;
    transform: scale(0.9);
}

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

.animate-scale-up {
    opacity: 0;
    transform: scale(0.8) translateY(20px);
}

.animate-scale-up.is-visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* ========================================
   HERO ANIMATION SEQUENCE
   ======================================== */
.hero__background {
    animation: hero-bg-fade 1s var(--ease-standard) forwards;
}

.hero__logo {
    opacity: 0;
    transform: scale(0.8);
    animation: hero-logo-reveal 0.8s var(--ease-standard) 0.5s forwards;
}

.hero__title {
    opacity: 0;
    animation: hero-title-reveal 1s var(--ease-standard) 1s forwards;
}

.hero__tagline {
    opacity: 0;
    transform: translateY(20px);
    animation: hero-fade-up 0.8s var(--ease-standard) 1.5s forwards;
}

.hero__cta {
    opacity: 0;
    transform: translateY(20px);
    animation: hero-fade-up 0.8s var(--ease-standard) 2s forwards;
}

.hero__scroll-indicator {
    opacity: 0;
    animation: hero-fade-up 0.8s var(--ease-standard) 2.5s forwards;
}

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

@keyframes hero-logo-reveal {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes hero-title-reveal {
    0% {
        opacity: 0;
        clip-path: inset(0 100% 0 0);
    }
    100% {
        opacity: 1;
        clip-path: inset(0 0 0 0);
    }
}

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

/* ========================================
   COUNTER ANIMATIONS
   ======================================== */
[data-counter] {
    transition: none;
}

/* ========================================
   PARALLAX EFFECTS
   ======================================== */
.parallax {
    will-change: transform;
}

.parallax--slow {
    --parallax-speed: 0.1;
}

.parallax--medium {
    --parallax-speed: 0.2;
}

.parallax--fast {
    --parallax-speed: 0.3;
}

/* ========================================
   HOVER EFFECTS
   ======================================== */
.hover-lift {
    transition: transform var(--duration-short) var(--ease-standard),
                box-shadow var(--duration-short) var(--ease-standard);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.hover-glow {
    transition: box-shadow var(--duration-short) var(--ease-standard);
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow-gold);
}

.hover-scale {
    transition: transform var(--duration-short) var(--ease-standard);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Image zoom on hover */
.hover-zoom {
    overflow: hidden;
}

.hover-zoom img {
    transition: transform var(--duration-medium) var(--ease-standard);
}

.hover-zoom:hover img {
    transform: scale(1.1);
}

/* ========================================
   LOADING ANIMATIONS
   ======================================== */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(-25%);
        animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
    }
    50% {
        transform: translateY(0);
        animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
    }
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* ========================================
   PROGRESS BAR ANIMATION
   ======================================== */
@keyframes progress-fill {
    from {
        width: 0;
    }
}

.progress__fill.is-animated {
    animation: progress-fill var(--duration-slower) var(--ease-standard) forwards;
}

/* ========================================
   TEXT ANIMATIONS
   ======================================== */
@keyframes text-reveal {
    from {
        clip-path: inset(0 100% 0 0);
    }
    to {
        clip-path: inset(0 0 0 0);
    }
}

.animate-text-reveal {
    animation: text-reveal 1s var(--ease-standard) forwards;
}

/* Typewriter effect placeholder - handled by JS */
.typewriter {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--color-gold);
    animation: typewriter-cursor 0.7s step-end infinite;
}

@keyframes typewriter-cursor {
    from, to { border-color: transparent; }
    50% { border-color: var(--color-gold); }
}

/* ========================================
   MANIFESTO LINE ANIMATIONS
   ======================================== */
.manifesto__line {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(4px);
    transition: opacity var(--duration-long) var(--ease-standard),
                transform var(--duration-long) var(--ease-standard),
                filter var(--duration-long) var(--ease-standard),
                color var(--duration-short) var(--ease-standard);
}

.manifesto__line.is-visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* Staggered reveal for manifesto lines */
.manifesto__line:nth-child(1) { transition-delay: 0ms; }
.manifesto__line:nth-child(2) { transition-delay: 150ms; }
.manifesto__line:nth-child(3) { transition-delay: 300ms; }
.manifesto__line:nth-child(4) { transition-delay: 450ms; }
.manifesto__line:nth-child(5) { transition-delay: 600ms; }
.manifesto__line:nth-child(6) { transition-delay: 750ms; }
.manifesto__line:nth-child(7) { transition-delay: 900ms; }
.manifesto__line:nth-child(8) { transition-delay: 1050ms; }

/* ========================================
   PAGE TRANSITIONS
   ======================================== */
.page-enter {
    opacity: 0;
}

.page-enter-active {
    opacity: 1;
    transition: opacity var(--duration-medium) var(--ease-standard);
}

.page-exit {
    opacity: 1;
}

.page-exit-active {
    opacity: 0;
    transition: opacity var(--duration-medium) var(--ease-standard);
}

/* ========================================
   BACKGROUND ANIMATIONS
   ======================================== */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient-shift 15s ease infinite;
}

/* Floating particles effect placeholder */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(5deg); }
    66% { transform: translateY(5px) rotate(-5deg); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* ========================================
   NOTIFICATION / TOAST ANIMATIONS
   ======================================== */
@keyframes slide-in-right {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slide-out-right {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-enter {
    animation: slide-in-right var(--duration-short) var(--ease-standard) forwards;
}

.toast-exit {
    animation: slide-out-right var(--duration-short) var(--ease-standard) forwards;
}

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

    .animate-on-scroll,
    .animate-fade-up,
    .animate-fade-down,
    .animate-fade-left,
    .animate-fade-right,
    .animate-scale,
    .animate-scale-up,
    .manifesto__line {
        opacity: 1;
        transform: none;
        filter: none;
    }

    .hero__background,
    .hero__logo,
    .hero__title,
    .hero__tagline,
    .hero__cta,
    .hero__scroll-indicator {
        opacity: 1;
        transform: none;
        animation: none;
    }
}