/* =============================================
   SC INTERNATIONAL - ENHANCED ANIMATIONS
   Advanced CSS Animations & Micro-Interactions
   ============================================= */

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

/* animation base */
.animate-section {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    will-change: opacity, transform;
}

/* saat terlihat */
.animate-section.show {
    opacity: 1;
    transform: translateY(0);
    will-change: auto;
}
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered animations for multiple elements */
.animate-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.5s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.6s; }

/* === LOADING ANIMATIONS === */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

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

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* === SKELETON LOADING === */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.skeleton-text:last-child {
    width: 80%;
}

.skeleton-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.skeleton-card {
    height: 200px;
    border-radius: 8px;
}

/* === BUTTON ANIMATIONS === */
.btn-animated {
    position: relative;
    overflow: hidden;
    transform: perspective(1px) translateZ(0);
}

.btn-animated::before {
    content: '';
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.btn-animated:hover::before {
    transform: translateX(100%);
}

/* Ripple effect */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* === CARD ANIMATIONS === */
.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-flip {
    perspective: 1000px;
}

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-flip:hover .card-flip-inner {
    transform: rotateY(180deg);
}

.card-flip-front,
.card-flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 8px;
}

.card-flip-back {
    transform: rotateY(180deg);
}

/* === NAVIGATION ANIMATIONS === */
.nav-item {
    position: relative;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-red);
    transition: width 0.3s ease;
}

.nav-item:hover::after {
    width: 100%;
}

/* Dropdown slide animation */
.dropdown-slide {
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown-slide.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

/* === HERO ANIMATIONS === */
.hero-content-animated {
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle-animated {
    animation: fadeInLeft 1s ease-out 0.2s both;
}

.hero-title-animated {
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-description-animated {
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-buttons-animated {
    animation: fadeInUp 1s ease-out 0.8s both;
}

/* === SCROLL INDICATORS === */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(to right, var(--accent-red), var(--accent-coral));
    z-index: 9999;
    transition: width 0.1s ease;
}

/* === FLOATING ELEMENTS === */
.float-animation {
    animation: float 3s ease-in-out infinite;
}

.float-animation:nth-child(2) {
    animation-delay: 0.5s;
}

.float-animation:nth-child(3) {
    animation-delay: 1s;
}

/* === TYPEWRITER EFFECT === */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--accent-red);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--accent-red); }
}

/* === PARALLAX EFFECTS === */
.parallax-element {
    transform: translateZ(0);
    will-change: transform;
}

/* === HOVER EFFECTS === */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(230, 57, 70, 0.3);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

/* === LOADING STATES === */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--accent-red);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

/* === PROGRESS BARS === */
.progress-bar {
    width: 100%;
    height: 4px;
    background: #f0f0f0;
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--accent-red), var(--accent-coral));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.progress-animated {
    position: relative;
}

.progress-animated::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 50px 50px;
    animation: move 2s linear infinite;
}

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

/* === NOTIFICATION ANIMATIONS === */
.notification {
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.notification.show {
    transform: translateX(0);
}

.notification.hide {
    transform: translateX(100%);
}

/* === MODAL ANIMATIONS === */
.modal-overlay {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    transform: scale(0.8) translateY(-50px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

/* === FORM ANIMATIONS === */
.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: transparent;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.form-label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 1rem;
    color: #999;
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    top: -0.5rem;
    left: 0.75rem;
    font-size: 0.75rem;
    color: var(--accent-red);
    background: white;
    padding: 0 0.25rem;
}

/* === RESPONSIVE ANIMATIONS === */
@media (max-width: 768px) {
    /* Reduce animations on mobile for performance */
    .animate-on-scroll {
        transition-duration: 0.3s;
    }
    
    .card-hover:hover {
        transform: translateY(-4px) scale(1.01);
    }
    
    /* Disable complex animations on mobile */
    .card-flip:hover .card-flip-inner {
        transform: none;
    }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
    
    .float-animation {
        animation: none;
    }
    
    .typewriter {
        animation: none;
        border-right: none;
    }
}

/* === PRINT STYLES === */
@media print {
    .animate-on-scroll,
    .card-hover,
    .btn-animated,
    .float-animation {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
}