/* ===== GENERAL STYLES ===== */
:root {
    --primary-color: #0d6efd;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* ===== NAVIGATION ===== */
.navbar {
    transition: all var(--transition-speed);
}

.navbar-brand {
    font-size: 1.5rem;
    transition: color var(--transition-speed);
}

.nav-link {
    font-weight: 500;
    transition: color var(--transition-speed);
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* ===== HERO SECTION ===== */
.hero-section {
    padding-top: 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

[data-bs-theme="dark"] .hero-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.profile-image-wrapper {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.profile-image {
    max-width: 100%;
    height: auto;
    border: 5px solid var(--primary-color);
}

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

.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s both;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-in 0.9s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== TYPED TEXT EFFECT ===== */
.cursor {
    display: inline-block;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* ===== SOCIAL LINKS ===== */
.social-links a {
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===== FEATURES SECTION ===== */
.features-section {
    transition: background-color var(--transition-speed);
}

.hover-lift {
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}

.feature-icon {
    transition: transform var(--transition-speed);
}

.card:hover .feature-icon {
    transform: scale(1.1);
}

/* ===== DARK MODE STYLES ===== */
[data-bs-theme="dark"] .navbar {
    background-color: #212529 !important;
}

[data-bs-theme="dark"] .features-section {
    background-color: #1a1a2e !important;
}

[data-bs-theme="dark"] .card {
    background-color: #16213e;
    color: #fff;
}

[data-bs-theme="dark"] .text-muted {
    color: #adb5bd !important;
}

/* ===== PROJECT PAGE STYLES ===== */
.project-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.project-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed);
}

.project-overlay {
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.project-image-wrapper:hover img {
    transform: scale(1.1);
}

.project-image-wrapper:hover .project-overlay {
    opacity: 1;
}

.project-item {
    transition: all var(--transition-speed);
}

.filter-btn {
    transition: all var(--transition-speed);
}

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

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

/* ===== ABOUT PAGE STYLES ===== */
.page-header {
    padding-top: 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

[data-bs-theme="dark"] .page-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.about-image-wrapper {
    position: relative;
}

.about-image-wrapper img {
    border-radius: 15px;
}

.skill-item .progress {
    border-radius: 10px;
    overflow: hidden;
}

.skill-item .progress-bar {
    transition: width 1s ease-in-out;
}

.timeline-item {
    position: relative;
}

.education-icon,
.feature-icon {
    transition: transform var(--transition-speed);
}

/* ===== CONTACT PAGE STYLES ===== */
.contact-item {
    transition: transform var(--transition-speed);
}

.contact-item:hover {
    transform: translateX(10px);
}

.icon-wrapper {
    transition: all var(--transition-speed);
}

.contact-item:hover .icon-wrapper {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.social-links-contact a {
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.social-links-contact a:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.was-validated .form-control:invalid {
    border-color: #dc3545;
}

.was-validated .form-control:valid {
    border-color: #198754;
}

/* ===== ACCORDION STYLES ===== */
.accordion-button {
    background-color: transparent;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

[data-bs-theme="dark"] .accordion-item {
    background-color: #16213e;
    color: #fff;
}

[data-bs-theme="dark"] .accordion-button {
    background-color: #16213e;
    color: #fff;
}

[data-bs-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0a58ca 100%);
}

.stat-item {
    transition: transform var(--transition-speed);
}

.stat-item:hover {
    transform: translateY(-10px);
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 60px 0;
}

/* ===== PLACEHOLDER IMAGE ===== */
.placeholder-image {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

[data-bs-theme="dark"] .placeholder-image {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* ===== MAP SECTION ===== */
.map-section iframe {
    border-radius: 15px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
    
    .profile-image {
        max-width: 80%;
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
    }
    
    .page-header {
        padding-top: 80px;
    }
    
    .filter-btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    .social-links-contact a {
        width: 45px !important;
        height: 45px !important;
    }
}

@media (max-width: 576px) {
    .hero-section {
        min-height: auto;
        padding: 60px 0;
    }
    
    .stat-item h2 {
        font-size: 2rem;
    }
    
    .stat-item p {
        font-size: 0.9rem;
    }
}