/* Modern Animations for International Appeal */

/* Fade-in on Scroll Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@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);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

/* Scroll Animation Classes — content visible by default; JS adds .animated for motion */
.animate-on-scroll {
    opacity: 1;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out forwards;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out forwards;
}

.scale-in {
    animation: scaleIn 0.6s ease-out forwards;
}

/* Hero Animations */
.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    animation: fadeInUp 1s ease-out 0.2s both;
}

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

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

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

/* Service Cards Hover Effects */
.service-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(14, 165, 233, 0.2);
}

.service-icon {
    transition: transform 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(5deg);
    animation: pulse 2s infinite;
}

/* Button Animations */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    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:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

/* Floating Animation for Icons */
.floating {
    animation: float 3s ease-in-out infinite;
}

.floating-delay-1 {
    animation-delay: 0.5s;
}

.floating-delay-2 {
    animation-delay: 1s;
}

/* Section Title Animation */
.section-title {
    position: relative;
    overflow: hidden;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #0ea5e9, #0284c7);
    transform: translateX(-50%);
    transition: width 0.6s ease;
}

.section-title.animated::after {
    width: 100px;
}

/* Feature Items Animation */
.feature-item {
    transition: all 0.3s ease;
}

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

.feature-icon {
    transition: transform 0.3s ease;
}

.feature-item:hover .feature-icon {
    transform: scale(1.2) rotate(10deg);
}

/* Process Steps Animation */
.process-step {
    transition: all 0.3s ease;
}

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

.step-number {
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
}

/* Portfolio Items Animation */
.portfolio-item {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.portfolio-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(2, 132, 199, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover::after {
    opacity: 1;
}

.portfolio-item:hover {
    transform: translateY(-8px);
}

/* Form Input Animations */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

/* Loading Animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading {
    animation: spin 1s linear infinite;
}

/* Gradient Background Animation */
.animated-gradient {
    background: linear-gradient(-45deg, #0ea5e9, #0284c7, #0369a1, #075985);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* Counter Animation */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.counter {
    animation: countUp 0.8s ease-out;
}

/* Smooth Scroll Behavior */
html {
    scroll-behavior: smooth;
}

/* Parallax Effect */
.parallax {
    transition: transform 0.3s ease-out;
}

/* Stagger Animation for Lists */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-item.animated {
    opacity: 1;
    transform: translateY(0);
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }
.stagger-item:nth-child(6) { transition-delay: 0.6s; }

/* Navigation Animation */
.nav-menu a {
    position: relative;
}

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* Logo Animation */
.logo {
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.1);
}

/* Card Tilt Effect */
.card-tilt {
    transition: transform 0.3s ease;
}

.card-tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(5deg);
}

/* Shine Effect */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.shine:hover::before {
    left: 100%;
}