/* ===== CSS VARIABLES ===== */
:root {
    --primary-color: #00d4aa;
    --primary-dark: #00b894;
    --dark-bg: #2a2a2a;
    --darker-bg: #1a1a1a;
    --light-bg: #f8f9fa;
    --text-light: #ffffff;
    --text-dark: #2a2a2a;
    --text-secondary: #cccccc;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.section-subtitle {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* ===== CUSTOM BOOTSTRAP OVERRIDES ===== */
.btn-primary-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-light);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary-custom:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-dark);
}

.bg-light-custom {
    background-color: var(--light-bg) !important;
}

/* ===== NAVBAR ===== */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
    background-color: var(--darker-bg) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light) !important;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: all 0.3s ease;
    position: relative;
}

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

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    z-index: 1;
}

.hero-content {
    z-index: 2;
    position: relative;
    padding: 2rem;
}

.hero-text {
    margin-bottom: 4rem;
}

.hero-greeting {
    color: var(--text-secondary);
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.hero-title {
    color: var(--text-light);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

.hero-image {
    z-index: 2;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img-container {
    position: relative;
    max-width: 500px;
    width: 100%;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    filter: grayscale(100%) contrast(1.2);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-dark);
}

.hero-img:hover {
    filter: grayscale(0%) contrast(1);
    transform: scale(1.02);
}

.contact-info-hero {
    margin-top: 3rem;
}

.contact-item {
    text-align: center;
    padding: 1rem;
}

.contact-item h6 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item p {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background-color: var(--dark-bg);
    color: var(--text-light);
}

.about-img-container {
    position: relative;
    display: flex;
    justify-content: center;
}

.about-img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-dark);
    transition: all 0.3s ease;
}

.about-img:hover {
    transform: scale(1.02);
}

.about-content {
    padding: 2rem 0;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.about-details {
    margin-bottom: 2rem;
}

.detail-item {
    display: flex;
    margin-bottom: 1rem;
    align-items: center;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 600;
    min-width: 80px;
    margin-right: 1rem;
}

.detail-value {
    color: var(--text-light);
    font-weight: 400;
}

/* ===== EDUCATION SECTION ===== */
.education-section {
    background-color: var(--light-bg);
}

.education-section .section-title {
    color: var(--text-dark);
}

.education-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    text-align: center;
}

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.education-card .card-icon {
    margin-bottom: 1.5rem;
}

.education-card .card-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.education-card .card-title {
    color: var(--text-dark);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.education-card .card-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.education-card .card-period {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.education-card .card-badges .badge {
    background-color: var(--primary-color);
    color: white;
    margin: 0 0.25rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* ===== TRAINING SECTION ===== */
.training-section {
    background-color: var(--dark-bg);
}

.training-card {
    background: var(--darker-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-dark);
    transition: all 0.3s ease;
    height: 100%;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.training-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.training-card .card-icon {
    margin-bottom: 1.5rem;
}

.training-card .card-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.training-card .card-title {
    color: var(--text-light);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.training-card .card-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.training-card .card-badges .badge {
    background-color: var(--primary-color);
    color: white;
    margin: 0 0.25rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* ===== LANGUAGES SECTION ===== */
.languages-section {
    background-color: var(--light-bg);
}

.languages-section .section-title {
    color: var(--text-dark);
}

.language-item {
    padding: 2rem;
}

.language-item i {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.language-item h5 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.language-item p {
    color: var(--text-muted);
}

/* ===== EXPERIENCE SECTION ===== */
.experience-section {
    background-color: var(--dark-bg);
}

.experience-card {
    background: var(--darker-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-dark);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.experience-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.experience-card .card-title {
    color: var(--text-light);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.experience-card .card-subtitle {
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.experience-card .card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.experience-card .card-badges .badge {
    background-color: var(--primary-color);
    color: white;
    margin: 0 0.25rem 0.5rem 0;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* ===== SKILLS SECTION ===== */
.skills-section {
    background-color: var(--light-bg);
}

.skills-section .section-title {
    color: var(--text-dark);
}

.skill-item {
    padding: 2rem 1rem;
    transition: all 0.3s ease;
}

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

.skill-item i {
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.skill-item:hover i {
    transform: scale(1.1);
}

.skill-item h5 {
    color: var(--text-dark);
    font-weight: 600;
    margin-top: 1rem;
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background-color: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.services-header {
    position: relative;
    z-index: 2;
}

.services-bg-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 15rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    z-index: 1;
    pointer-events: none;
    user-select: none;
}

.service-card {
    background: var(--darker-bg);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-dark);
    transition: all 0.3s ease;
    height: 100%;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 212, 170, 0.2);
}

.service-icon {
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 3rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

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

.service-title {
    color: var(--text-light);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

/* ===== PROJECTS SECTION ===== */
.projects-section .section-title {
    color: var(--text-dark);
}

.project-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-content {
    padding: 20px;
}


/* ===== CONTACT SECTION ===== */
.contact-section {
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.contact-description {
    color: var(--text-secondary);
    font-size: 1.2rem;
    line-height: 1.6;
}

.contact-info-item {
    text-align: center;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

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

.contact-info-item i {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info-item h6 {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-info-item p {
    color: var(--text-secondary);
    margin: 0;
}

/* ===== FOOTER ===== */
.footer-section {
    background-color: var(--darker-bg);
    color: var(--text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .services-bg-text {
        font-size: 10rem;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: 3rem;
    }
    
    .about-img-container {
        margin-bottom: 2rem;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-bg-text {
        font-size: 6rem;
    }
    
    .contact-info-hero {
        margin-top: 2rem;
    }
    
    .social-links {
        justify-content: center;
        margin-top: 1rem;
    }
}

@media (max-width: 575.98px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .services-bg-text {
        font-size: 4rem;
    }
    
    .service-card,
    .education-card,
    .training-card,
    .experience-card {
        margin-bottom: 1rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== SCROLL ANIMATIONS ===== */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}



/* ===== i18n IMPROVEMENTS ===== */

/* Language selector improvements */
.dropdown-menu .dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    transition: all 0.3s ease;
}

.dropdown-menu .dropdown-item:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

/* Language change notification */
.language-notification {
    font-family: 'Inter', sans-serif;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Smooth transitions for text changes */
[data-i18n] {
    transition: opacity 0.3s ease;
}

/* Language transition effects */
.language-transition {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.language-transition.changing {
    opacity: 0.7;
    transform: scale(0.98);
}

/* Fade in animation for elements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Enhanced dropdown styling */
.navbar .dropdown-menu {
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 8px;
}

.navbar .dropdown-item {
    font-weight: 500;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar .dropdown-item:last-child {
    border-bottom: none;
}

/* Language toggle button enhancement */
#languageDropdown {
    position: relative;
    overflow: hidden;
}

#languageDropdown::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;
}

#languageDropdown:hover::before {
    left: 100%;
}

/* Improved responsive design for language selector */
@media (max-width: 768px) {
    .dropdown-menu .dropdown-item {
        padding: 12px 20px;
        font-size: 16px;
    }
    
    .language-notification {
        top: 10px;
        right: 10px;
        padding: 10px 16px;
        font-size: 13px;
    }
}

/* Text animation for smooth language changes */
.text-animate {
    animation: textFadeIn 0.5s ease;
}

@keyframes textFadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading state for language changes */
.language-loading {
    position: relative;
}

.language-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.language-loading.active::after {
    opacity: 1;
}

/* Enhanced flag styling */
.dropdown-item span:first-child {
    font-size: 1.2em;
    margin-right: 4px;
}

/* Accessibility improvements */
.dropdown-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
}

/* Dark mode support for language selector */
@media (prefers-color-scheme: dark) {
    .dropdown-menu {
        background-color: var(--darker-bg);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .dropdown-item {
        color: var(--text-light);
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
    
    .dropdown-item:hover {
        background-color: var(--primary-color);
        color: white;
    }
}