/* =================================================================
   studio CLOTO - Animations & Effects
   ================================================================= */

/* ===== Text Glow Animation ===== */
.glowAnime span {
    opacity: 0;
}

.glowAnime.glow span {
    animation: glow_anime_on 1s ease-out forwards;
}

@keyframes glow_anime_on {
    0% { 
        opacity: 0; 
        text-shadow: 0 0 0 #fff, 0 0 0 #fff;
    }
    50% { 
        opacity: 1;
        text-shadow: 0 0 10px #fff, 0 0 15px #fff;
    }
    100% { 
        opacity: 1; 
        text-shadow: 0 0 0 #fff, 0 0 0 #fff;
    }
}

/* ===== Fade In Animation ===== */
.fadeInElement {
    opacity: 0;
    animation: fadeIn 1.2s ease-out forwards;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

/* ===== Hero Animations ===== */
/* note: hero-specific keyframes are referenced by hero.css (title-line/float) */
.hero__title-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 1s ease forwards;
    white-space: nowrap;
}

.hero__title-line:nth-child(1) { animation-delay: 0.2s; }
.hero__title-line:nth-child(2) { animation-delay: 0.4s; }
.hero__title-line:nth-child(3) { animation-delay: 0.6s; }

.hero__subtitle {
    opacity: 0;
    animation: fadeIn 1s ease 0.8s forwards;
}

.hero__description {
    opacity: 0;
    animation: fadeIn 1s ease 1s forwards;
}

.hero__cta {
    opacity: 0;
    animation: fadeIn 1s ease 1.2s forwards;
}

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Kanji Logo Float Animation ===== */
.hero__kanji-logo {
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(0, 0, 0, 0.3));
    transition: transform 0.1s ease-out, opacity 0.1s ease-out;
}

.hero__kanji-logo--scrolling {
    animation: none;
    filter: drop-shadow(0 0 30px rgba(246, 191, 0, 0.4)) drop-shadow(0 0 60px rgba(0, 0, 0, 0.5));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) scale(1);
    }
    50% {
        transform: translateY(-10px) scale(1.02);
    }
}

/* ===== Scroll Indicator Animations ===== */
.scroll-indicator {
    animation: scrollGlimmer 4s ease-in-out infinite;
}

.scroll-indicator__line {
    animation: scrollPulse 2s ease-in-out infinite, scrollLineGlimmer 4s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scaleY(1);
    }
    50% {
        opacity: 1;
        transform: scaleY(1.2);
    }
}

@keyframes scrollGlimmer {
    0%, 85%, 100% {
        color: var(--color-gray);
        text-shadow: none;
    }
    90%, 95% {
        color: var(--color-accent);
        text-shadow: 0 0 10px rgba(246, 191, 0, 0.6);
    }
}

@keyframes scrollLineGlimmer {
    0%, 85%, 100% {
        background: linear-gradient(to bottom, var(--color-gray), transparent);
        box-shadow: none;
    }
    90%, 95% {
        background: linear-gradient(to bottom, var(--color-accent), transparent);
        box-shadow: 0 0 8px rgba(246, 191, 0, 0.5);
    }
}

/* ===== Button Animations ===== */
.hero__cta .btn {
    position: relative;
    overflow: hidden;
    background-size: 200% 100%;
    transition: all 0.3s ease;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    min-width: 210px;
    text-align: center;
}

.hero__cta .btn--primary {
    background: linear-gradient(-45deg, #f6bf00, #ff8c00, #ff6b35, #f6bf00);
    background-size: 400% 400%;
    animation: gradientFlow 3s ease infinite;
    color: white;
    border: none;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero__cta .btn--outline {
    background: linear-gradient(-45deg, transparent, rgba(135, 176, 197, 0.1), transparent, rgba(176, 196, 222, 0.1));
    background-size: 400% 400%;
    animation: gradientFlow 3s ease infinite;
    border: 2px solid #87b0c5;
    color: white;
    position: relative;
}

.hero__cta .btn--outline::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(-45deg, #87b0c5, #b0c4de, #708090, #87b0c5);
    background-size: 400% 400%;
    animation: gradientFlow 3s ease infinite;
    border-radius: 6px;
    z-index: -1;
}

@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.hero__cta .btn:hover {
    transform: translateY(-2px);
}

.hero__cta .btn--primary:hover {
    box-shadow: 0 8px 20px rgba(246, 191, 0, 0.4);
}

.hero__cta .btn--outline:hover {
    box-shadow: 0 8px 20px rgba(135, 176, 197, 0.3);
}

/* ===== Button Hover Effects ===== */
.btn--primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transition: left 0.5s ease;
}

.btn--primary::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff6b35, var(--color-accent), #ffcd3c, #ff9f40);
    border-radius: inherit;
    z-index: -1;
    animation: primaryBorderFlow 2s linear infinite;
}

.btn--primary:hover::before {
    left: 100%;
}

.btn--primary:hover {
    background: linear-gradient(135deg, #ff6b35, #ffcd3c, var(--color-accent), #ff9f40);
    color: var(--color-black);
    transform: translateY(-3px) scale(1.05);
}

@keyframes primaryBorderFlow {
    0% {
        background: linear-gradient(45deg, #ff6b35, var(--color-accent), #ffcd3c, #ff9f40);
    }
    25% {
        background: linear-gradient(45deg, var(--color-accent), #ffcd3c, #ff9f40, #ff6b35);
    }
    50% {
        background: linear-gradient(45deg, #ffcd3c, #ff9f40, #ff6b35, var(--color-accent));
    }
    75% {
        background: linear-gradient(45deg, #ff9f40, #ff6b35, var(--color-accent), #ffcd3c);
    }
    100% {
        background: linear-gradient(45deg, #ff6b35, var(--color-accent), #ffcd3c, #ff9f40);
    }
}

/* ===== Vision Section Geometric Animations ===== */
.vision__geometric--today {
    animation: pulseGlow 3s ease-in-out infinite;
}

.vision__geometric--2030 {
    animation: rotateGlow 6s linear infinite;
}

.vision__geometric--2040 {
    animation: floatGlow 4s ease-in-out infinite;
}

.vision__geometric--2050 {
    animation: sparkleGlow 5s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { 
        transform: scale(1); 
        filter: drop-shadow(0 0 30px rgba(246, 191, 0, 0.3)); 
    }
    50% { 
        transform: scale(1.1); 
        filter: drop-shadow(0 0 50px rgba(246, 191, 0, 0.6)); 
    }
}

@keyframes rotateGlow {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.05); }
    100% { transform: rotate(360deg) scale(1); }
}

@keyframes floatGlow {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes sparkleGlow {
    0%, 100% { 
        transform: rotate(0deg) scale(1); 
        filter: drop-shadow(0 0 30px rgba(246, 191, 0, 0.3)); 
    }
    25% { 
        transform: rotate(90deg) scale(1.1); 
        filter: drop-shadow(0 0 50px rgba(246, 191, 0, 0.6)); 
    }
    50% { 
        transform: rotate(180deg) scale(1); 
        filter: drop-shadow(0 0 40px rgba(246, 191, 0, 0.5)); 
    }
    75% { 
        transform: rotate(270deg) scale(1.05); 
        filter: drop-shadow(0 0 60px rgba(246, 191, 0, 0.7)); 
    }
}

/* ===== About Section Geometric Animations ===== */
.about__geometric--mission {
    animation: aboutPulseGlow 3s ease-in-out infinite;
}

.about__geometric--vision {
    animation: aboutRotateGlow 6s linear infinite;
}

.about__geometric--values {
    animation: aboutFloatGlow 4s ease-in-out infinite;
}

.about__geometric--future {
    animation: aboutSparkleGlow 5s ease-in-out infinite;
}

@keyframes aboutPulseGlow {
    0%, 100% { 
        transform: scale(1); 
        filter: drop-shadow(0 0 30px rgba(246, 191, 0, 0.3)); 
    }
    50% { 
        transform: scale(1.1); 
        filter: drop-shadow(0 0 50px rgba(246, 191, 0, 0.6)); 
    }
}

@keyframes aboutRotateGlow {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.05); }
    100% { transform: rotate(360deg) scale(1); }
}

@keyframes aboutFloatGlow {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes aboutSparkleGlow {
    0%, 100% { 
        transform: rotate(0deg) scale(1); 
        filter: drop-shadow(0 0 30px rgba(246, 191, 0, 0.3)); 
    }
    25% { 
        transform: rotate(90deg) scale(1.1); 
        filter: drop-shadow(0 0 50px rgba(246, 191, 0, 0.6)); 
    }
    50% { 
        transform: rotate(180deg) scale(1); 
        filter: drop-shadow(0 0 40px rgba(246, 191, 0, 0.5)); 
    }
    75% { 
        transform: rotate(270deg) scale(1.05); 
        filter: drop-shadow(0 0 60px rgba(246, 191, 0, 0.7)); 
    }
}

/* ===== Service Card Slide Animations ===== */
.service-section:nth-child(odd) .service-overview {
    animation: slideInLeft 0.8s ease-out;
}

.service-section:nth-child(even) .service-detail {
    animation: slideInRight 0.8s ease-out;
}

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

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

/* ===== Progress Bar Animations ===== */
.vision-progress__fill {
    animation: visionProgressFill linear both;
    animation-timeline: --vision-pin;
    animation-range: contain 0% contain 100%;
    transform-origin: left center;
    will-change: transform;
}

/* Disable CSS progress animation when JS fallback is active to avoid double-updates (Safari) */
.js-scroll-active .vision-progress__fill {
    animation: none !important;
}

@keyframes visionProgressFill {
    from { width: 0%; }
    to { width: 100%; }
}

.about-progress__fill {
    animation: aboutProgressFill linear both;
    animation-timeline: --about-pin;
    animation-range: contain 0% contain 100%;
}

@keyframes aboutProgressFill {
    from { height: 0%; }
    to { height: 100%; }
}

/* ===== Marker Animations ===== */
/* Disable marker animations when JS fallback is active (Safari) */
.js-scroll-active .vision-progress__marker { animation: none !important; }

/* Vision Progress Markers */
.vision-progress__marker:nth-child(1) {
    animation: markerActivate1 linear both;
    animation-timeline: --vision-pin;
    animation-range: contain 0% contain 20%;
}

.vision-progress__marker:nth-child(2) {
    animation: markerActivate2 linear both;
    animation-timeline: --vision-pin;
    animation-range: contain 20% contain 40%;
}

.vision-progress__marker:nth-child(3) {
    animation: markerActivate3 linear both;
    animation-timeline: --vision-pin;
    animation-range: contain 40% contain 60%;
}

.vision-progress__marker:nth-child(4) {
    animation: markerActivate4 linear both;
    animation-timeline: --vision-pin;
    animation-range: contain 60% contain 80%;
}

.vision-progress__marker:nth-child(5) {
    animation: markerActivate5 linear both;
    animation-timeline: --vision-pin;
    animation-range: contain 80% contain 100%;
}

/* About Progress Markers */
.about-progress__marker:nth-child(1) {
    animation: aboutMarkerActivate1 linear both;
    animation-timeline: --about-pin;
    animation-range: contain 0% contain 25%;
}

.about-progress__marker:nth-child(2) {
    animation: aboutMarkerActivate2 linear both;
    animation-timeline: --about-pin;
    animation-range: contain 25% contain 50%;
}

.about-progress__marker:nth-child(3) {
    animation: aboutMarkerActivate3 linear both;
    animation-timeline: --about-pin;
    animation-range: contain 50% contain 75%;
}

.about-progress__marker:nth-child(4) {
    animation: aboutMarkerActivate4 linear both;
    animation-timeline: --about-pin;
    animation-range: contain 75% contain 100%;
}

/* Marker Activate Keyframes */
@keyframes markerActivate1 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: #4a90e2; opacity: 1; text-shadow: 0 0 10px rgba(74, 144, 226, 0.5); }
}

@keyframes aboutMarkerActivate1 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: var(--color-accent); opacity: 1; text-shadow: 0 0 10px rgba(246, 191, 0, 0.5); }
}

@keyframes markerActivate2 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: #8b5cf6; opacity: 1; text-shadow: 0 0 10px rgba(139, 92, 246, 0.5); }
}

@keyframes aboutMarkerActivate2 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: #ff6b35; opacity: 1; text-shadow: 0 0 10px rgba(255, 107, 53, 0.5); }
}

@keyframes markerActivate3 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: #ec4899; opacity: 1; text-shadow: 0 0 10px rgba(236, 72, 153, 0.5); }
}

@keyframes aboutMarkerActivate3 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: #00d4aa; opacity: 1; text-shadow: 0 0 10px rgba(0, 212, 170, 0.5); }
}

@keyframes markerActivate4 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: #f59e0b; opacity: 1; text-shadow: 0 0 10px rgba(245, 158, 11, 0.5); }
}

@keyframes markerActivate5 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: #f6bf00; opacity: 1; text-shadow: 0 0 10px rgba(246, 191, 0, 0.5); }
}

@keyframes aboutMarkerActivate4 {
    from { color: var(--color-gray); opacity: 0.6; }
    to { color: #f093fb; opacity: 1; text-shadow: 0 0 10px rgba(240, 147, 251, 0.5); }
}

/* ===== Mobile Responsive Animations ===== */
@media (max-width: 480px) {
    .hero__kanji-logo--scrolling {
        filter: drop-shadow(0 0 15px rgba(246, 191, 0, 0.3)) drop-shadow(0 0 30px rgba(0, 0, 0, 0.4));
    }
    
    .vision__geometric,
    .about__geometric {
        width: 150px;
        height: 150px;
    }
}