/* Scroll Animation Styles */

/* Animation States */
.fade-in-up,
.fade-in-left,
.fade-in-right {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up {
    transform: translateY(50px);
}

.fade-in-left {
    transform: translateX(-50px);
}

.fade-in-right {
    transform: translateX(50px);
}

/* Active Animation States */
.fade-in-up.animate,
.fade-in-left.animate,
.fade-in-right.animate {
    opacity: 1;
    transform: translate(0, 0);
}

/* Staggered Animation Delays */
.fade-in-up:nth-child(1) { transition-delay: 0.1s; }
.fade-in-up:nth-child(2) { transition-delay: 0.2s; }
.fade-in-up:nth-child(3) { transition-delay: 0.3s; }
.fade-in-up:nth-child(4) { transition-delay: 0.4s; }
.fade-in-up:nth-child(5) { transition-delay: 0.5s; }

.fade-in-left:nth-child(odd) { transition-delay: 0.2s; }
.fade-in-left:nth-child(even) { transition-delay: 0.4s; }

.fade-in-right:nth-child(odd) { transition-delay: 0.2s; }
.fade-in-right:nth-child(even) { transition-delay: 0.4s; }

/* Section-specific animations */
.section-header .section-title {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.section-header .title-underline {
    width: 0;
    transition: width 0.8s ease-out 0.3s;
}

.section-header.animate .section-title {
    opacity: 1;
    transform: translateY(0);
}

.section-header.animate .title-underline {
    width: 80px;
}

/* Team member hover animations */
.team-member {
    position: relative;
    overflow: hidden;
}

.team-member::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 ease-out;
    z-index: 1;
}

.team-member:hover::before {
    left: 100%;
}

/* Contact form focus animations */
.form-input {
    position: relative;
}

.form-group {
    position: relative;
}

.form-group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: width 0.3s ease-out;
}

.form-group:focus-within::after {
    width: 100%;
}

/* Scroll progress indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    z-index: 1000;
    transition: width 0.1s ease-out;
}

/* Loading animation for images */
.member-image {
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

.member-image.loaded {
    opacity: 1;
}

/* Parallax effect for hero background */
@media (prefers-reduced-motion: no-preference) {
    .hero-section::before {
        transform: translateY(var(--parallax-offset, 0));
        transition: transform 0.1s ease-out;
    }
}

/* Button animation effects */
.form-submit {
    position: relative;
    overflow: hidden;
}

.form-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease-out, height 0.4s ease-out;
}

.form-submit:active::before {
    width: 300px;
    height: 300px;
}

/* Social link animations */
.social-link {
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease-out;
}

.social-link:hover::before {
    left: 100%;
}

/* Title underline animation */
@keyframes underlineGrow {
    from { width: 0; }
    to { width: 80px; }
}

/* Logo pulse animation */
@keyframes logoPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.company-logo {
    animation: logoPulse 4s ease-in-out infinite;
}

/* Contact icon animations */
.contact-icon {
    position: relative;
    overflow: hidden;
}

.contact-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease-out, height 0.3s ease-out;
}

.contact-item:hover .contact-icon::before {
    width: 60px;
    height: 60px;
}

/* Typing effect for text */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    0%, 50% { border-color: transparent; }
    51%, 100% { border-color: var(--color-primary); }
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid var(--color-primary);
    white-space: nowrap;
    animation: typing 3s steps(30) 1s both, blink 1s step-end infinite;
}

/* Reduced motion fallbacks */
@media (prefers-reduced-motion: reduce) {
    .fade-in-up,
    .fade-in-left,
    .fade-in-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .section-header .section-title {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .section-header .title-underline {
        width: 80px;
        transition: none;
    }
    
    .company-logo {
        animation: none;
    }
    
    .scroll-indicator {
        animation: none;
    }
    
    .team-member::before,
    .social-link::before,
    .contact-icon::before,
    .form-submit::before {
        display: none;
    }
    
    .typing-effect {
        animation: none;
        border-right: none;
        white-space: normal;
        overflow: visible;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .fade-in-up,
    .fade-in-left,
    .fade-in-right {
        opacity: 1;
        transform: none;
    }
    
    .section-header .section-title,
    .section-header .title-underline {
        opacity: 1;
        transform: none;
        width: 80px;
    }
}

/* Performance optimizations */
.fade-in-up,
.fade-in-left,
.fade-in-right,
.team-member,
.social-link,
.contact-icon,
.form-submit {
    will-change: auto;
}

.animate {
    will-change: transform, opacity;
}

.animate.animation-complete {
    will-change: auto;
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Intersection Observer fallback */
.no-js .fade-in-up,
.no-js .fade-in-left,
.no-js .fade-in-right {
    opacity: 1;
    transform: none;
}

.no-js .section-header .section-title {
    opacity: 1;
    transform: none;
}

.no-js .section-header .title-underline {
    width: 80px;
}