/* WhatsApp Button Styling */

.whatsapp-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #25D366;
    color: white;
    padding: 0.7rem 1.2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 0.8rem;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    font-size: 1rem;
    border: 2px solid #25D366;
}

.whatsapp-button:hover {
    background-color: #22c15e;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(37, 211, 102, 0.4);
}

.whatsapp-button:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(37, 211, 102, 0.3);
}

.whatsapp-button i {
    font-size: 1.2rem;
    margin-right: 0.5rem;
}

/* Pulse animation for the button */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.whatsapp-button {
    animation: pulse 2s infinite;
}

/* Responsive styles */
@media (max-width: 768px) {
    .whatsapp-button {
        padding: 0.6rem 1rem;
        font-size: 0.95rem;
    }
    
    .whatsapp-button i {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .whatsapp-button {
        padding: 0.5rem 0.9rem;
        font-size: 0.9rem;
        margin-top: 0.6rem;
    }
    
    .whatsapp-button i {
        font-size: 1rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .whatsapp-button {
        box-shadow: 0 4px 10px rgba(37, 211, 102, 0.5);
    }
    
    .whatsapp-button:hover {
        box-shadow: 0 6px 15px rgba(37, 211, 102, 0.6);
    }
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 80px;
    left: 20px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: pulse 2s infinite;
}

.floating-whatsapp i {
    font-size: 2rem;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: #22c15e;
    box-shadow: 0 6px 15px rgba(37, 211, 102, 0.5);
}

/* Responsive styles for floating button */
@media (max-width: 768px) {
    .floating-whatsapp {
        width: 50px;
        height: 50px;
        bottom: 70px;
    }
    
    .floating-whatsapp i {
        font-size: 1.7rem;
    }
}

@media (max-width: 576px) {
    .floating-whatsapp {
        width: 45px;
        height: 45px;
        bottom: 70px;
        left: 15px;
    }
    
    .floating-whatsapp i {
        font-size: 1.5rem;
    }
}

/* CV Download Button Styling */
.cv-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff69b4 0%, #db7093 100%);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 0.8rem;
    box-shadow: 0 6px 15px rgba(255, 105, 180, 0.25);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cv-download-btn::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 0.7s ease;
    z-index: -1;
}

.cv-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 105, 180, 0.4);
    background: linear-gradient(135deg, #ff69b4 20%, #db7093 120%);
}

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

.cv-download-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 105, 180, 0.3);
}

.cv-download-btn i {
    margin-right: 0.6rem;
    font-size: 1.2rem;
}

/* Header CV Button Container */
.header-cv-container {
    display: flex;
    justify-content: center;
    margin-top: 0.5rem;
}

/* Animation for attention */
@keyframes pulse-light {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 105, 180, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 105, 180, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 105, 180, 0);
    }
}

.cv-download-btn {
    animation: pulse-light 2s infinite;
}

/* Responsive styles for CV button */
@media (max-width: 768px) {
    .cv-download-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.95rem;
    }
    
    .cv-download-btn i {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .cv-download-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .cv-download-btn i {
        font-size: 1rem;
    }
}

/* ===== VISUAL ENHANCEMENTS ===== */

/* ===== 1. Subtle Parallax Effects ===== */
.header {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 105, 180, 0.3) 0%, rgba(219, 112, 147, 0.3) 100%);
    z-index: -1;
    transform: translateZ(0);
}

.parallax-bg {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="%23ffffff" opacity="0.05"/></svg>');
    background-size: 100px 100px;
    z-index: -2;
    transform: translateZ(0);
    will-change: transform;
}

/* ===== 2. Micro-interactions ===== */
/* Button click effect */
button, .nav-link, .role-card, .contact-card, .cv-download-btn, .whatsapp-button, .floating-whatsapp {
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s ease;
}

button:active, .nav-link:active, .role-card:active, .contact-card:active, .cv-download-btn:active, .whatsapp-button:active, .floating-whatsapp:active {
    transform: scale(0.97);
}

/* Card hover effects enhancement */
.role-card, .contact-card, .institution-card, .qualifications-card, .education-item, .research-card, .achievement-card, .award-card, .profile-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.role-card:hover, .contact-card:hover, .institution-card:hover, .qualifications-card:hover, .education-item:hover, .research-card:hover, .achievement-card:hover, .award-card:hover, .profile-card:hover {
    transform: translateY(-10px) scale(1.02);
}

/* Icon hover effects */
.contact-icon i, .nav-link i, button i, .cv-download-btn i, .whatsapp-button i {
    transition: transform 0.3s ease;
}

.contact-icon:hover i, .nav-link:hover i, button:hover i, .cv-download-btn:hover i, .whatsapp-button:hover i {
    transform: scale(1.2) rotate(5deg);
}

/* ===== 3. Custom Cursor ===== */
/* Base cursor styles */
html, body {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><circle cx="8" cy="8" r="7" stroke="%23ff69b4" stroke-width="1.5" fill="white" opacity="0.8"/></svg>') 8 8, auto;
}

/* Interactive element cursor */
a, button, .nav-link, .role-card, .contact-card, .cv-download-btn, .whatsapp-button, .floating-whatsapp, .mobile-nav-item, .full-menu-link {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10" stroke="%23ff69b4" stroke-width="2" fill="white" opacity="0.9"/><circle cx="12" cy="12" r="4" fill="%23ff69b4" opacity="0.9"/></svg>') 12 12, pointer;
}

/* Text selection cursor */
p, h1, h2, h3, h4, h5, h6, span, div {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><circle cx="8" cy="8" r="7" stroke="%23ff69b4" stroke-width="1.5" fill="white" opacity="0.8"/></svg>') 8 8, auto;
}

/* ===== 4. Animated Section Transitions ===== */
/* Base section transition */
.content-section {
    transition: opacity 0.4s ease, transform 0.4s ease;
    will-change: opacity, transform;
}

.content-section:not(.active) {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.content-section.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Section entry animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-section.active {
    animation: fadeInUp 0.5s ease forwards;
}

/* Staggered child animations */
.content-section.active > * {
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.content-section.active > *:nth-child(1) { animation-delay: 0.1s; }
.content-section.active > *:nth-child(2) { animation-delay: 0.2s; }
.content-section.active > *:nth-child(3) { animation-delay: 0.3s; }
.content-section.active > *:nth-child(4) { animation-delay: 0.4s; }
.content-section.active > *:nth-child(5) { animation-delay: 0.5s; }

/* Disable animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .parallax-bg {
        display: none;
    }
    
    .content-section,
    .content-section.active,
    .content-section.active > * {
        transition: none;
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    button, .nav-link, .role-card, .contact-card, .cv-download-btn, .whatsapp-button, .floating-whatsapp,
    .role-card, .contact-card, .institution-card, .qualifications-card, .education-item, .research-card, .achievement-card, .award-card, .profile-card,
    .contact-icon i, .nav-link i, button i, .cv-download-btn i, .whatsapp-button i {
        transition: none;
    }
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .parallax-bg {
        top: -10px;
        left: -10px;
        right: -10px;
        bottom: -10px;
    }
    
    .content-section.active > * {
        animation-delay: 0.1s !important;
    }
}