/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Custom Properties */
:root {
    /* Primary Brand Colors */
    --primary-color: #1d79ed;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #1d79ed;
    --warning-color: #ffc107;
    --danger-color: #1d79ed;

    /* Neutral Colors */
    --white: #fff;
    --gray: #6c757d;
    --gray-dark: #343a40;
    --light: #f8f9fa;
    --dark: #343a40;

    /* Text Colors */
    --text-color: #212529;
    --text-muted: #6c757d;
    --link-color: #1d79ed;

    /* Typography */
    --font-roboto: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-jakarta: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-dm-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --element-spacing: 1rem;

    /* Transitions */
    --transition-base: all 0.3s ease;
}

/* Base Typography */
html {
    font-family: sans-serif;
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    font-family: var(--font-roboto);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-color);
    text-align: left;
    background-color: var(--white);
}

/* Container System */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
    max-width: var(--container-max-width);
}

/* Grid System */
.row {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col,
.col-12,
.col-md-4,
.col-md-8,
.col-md-12 {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

.col {
    -ms-flex-preferred-size: 0;
    flex-basis: 0;
    -ms-flex-positive: 1;
    flex-grow: 1;
    max-width: 100%;
}

.col-12 {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
}

@media (min-width: 768px) {
    .col-md-4 {
        -ms-flex: 0 0 33.333333%;
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }

    .col-md-8 {
        -ms-flex: 0 0 66.666667%;
        flex: 0 0 66.666667%;
        max-width: 66.666667%;
    }

    .col-md-12 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Typography */
.h1, .h2, .h3, .h4, .h5, .h6,
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    font-family: var(--font-jakarta);
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-family: var(--font-jakarta);
    font-weight: 700;
}

h3 {
    font-size: 1.75rem;
    font-family: var(--font-dm-sans);
    font-weight: 700;
}

h4 {
    font-size: 1.5rem;
    font-family: var(--font-dm-sans);
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 400;
    color: var(--text-color);
    text-align: center;
    vertical-align: middle;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: var(--transition-base);
    cursor: pointer;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(29, 121, 237, 0.25);
}

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

.btn-primary:hover {
    background-color: #1565c0;
    border-color: #1565c0;
}

.btn-secondary {
    color: var(--text-color);
    background-color: transparent;
    border-color: var(--text-color);
}

.btn-secondary:hover {
    background-color: var(--text-color);
    color: var(--white);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* Section Styles */
.section-subtitle {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    font-family: var(--font-dm-sans);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-family: var(--font-jakarta);
    line-height: 1.2;
}

.section-header {
    margin-bottom: 3rem;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand .logo {
    height: 112.5px;
    width: auto;
}

.navbar-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.navbar-nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-dm-sans);
    transition: var(--transition-base);
}

.navbar-nav a:hover {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition-base);
}

@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    text-align: center;
    color: var(--white);
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.hero-badge {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    font-family: var(--font-dm-sans);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-family: var(--font-jakarta);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-family: var(--font-roboto);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* About Section */
.about-section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.about-main-title {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-top: 1rem;
    font-family: var(--font-dm-sans);
}

/* Why Choose Us Section */
.why-choose-section {
    padding: var(--section-padding);
    background-color: var(--dark);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 600px;
    position: relative;
}

.why-choose-content-container {
    padding: 0 2rem;
    max-width: 600px;
    margin-left: auto;
}

.why-choose-image-container {
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-list {
    margin-top: 2rem;
}

.feature-box {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    gap: 1.5rem;
}

.feature-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: rgba(29, 121, 237, 0.2);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-dm-sans);
}

.feature-content {
    flex: 1;
}

.why-choose-section .section-subtitle {
    color: var(--primary-color);
}

.why-choose-section .section-title {
    color: var(--white);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
    font-family: var(--font-dm-sans);
}

.feature-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    font-family: var(--font-roboto);
}

.contact-cta {
    margin-top: 2.5rem;
}

.why-choose-section .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.why-choose-section .btn-primary:hover {
    background-color: var(--white);
    border-color: var(--white);
    color: var(--primary-color);
}

.btn-with-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
}

.btn-icon {
    font-size: 1rem;
    transition: var(--transition-base);
}

.btn-with-icon:hover .btn-icon {
    transform: translate(3px, -3px);
}

.why-choose-image-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-choose-image-wrapper .main-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    position: relative;
    z-index: 2;
}

.triangle-overlay {
    position: absolute;
    top: -20px;
    left: -15px;
    width: 120px;
    height: auto;
    opacity: 0.3;
    z-index: 1;
    pointer-events: none;
    filter: brightness(0.5);
}

@media (max-width: 768px) {
    .why-choose-section {
        grid-template-columns: 1fr;
        gap: 2rem;
        min-height: auto;
        padding: 3rem 0;
    }

    .why-choose-content-container {
        padding: 0 1rem;
        margin-left: 0;
        order: 1;
    }

    .why-choose-image-container {
        padding: 0 1rem;
        order: 2;
    }

    .feature-box {
        gap: 1rem;
    }

    .feature-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .triangle-overlay {
        display: none;
    }
}

/* Services Section */
.services-section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.services-tabs {
    margin-top: 3rem;
}

.tab-navigation {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.tab-btn {
    padding: 1rem 1.5rem;
    background-color: transparent;
    border: 2px solid var(--gray);
    color: var(--text-color);
    cursor: pointer;
    border-radius: 5px;
    font-weight: 500;
    font-family: var(--font-dm-sans);
    transition: var(--transition-base);
}

.tab-btn:hover,
.tab-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.tab-content {
    min-height: 300px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.service-subtitle {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-dm-sans);
}

.service-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0.75rem 0 1rem 0;
    font-family: var(--font-jakarta);
}

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

@media (max-width: 768px) {
    .tab-navigation {
        flex-direction: column;
        align-items: center;
    }

    .tab-btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Portfolio Section */
.portfolio-section {
    padding: var(--section-padding);
    background-color: var(--light);
}

.portfolio-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 3rem auto;
    line-height: 1.6;
    font-family: var(--font-roboto);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-base);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-base);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* CTA Section */
.cta-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary-color), #1565c0);
    color: var(--white);
}

.cta-content .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.cta-content .section-title {
    color: var(--white);
    margin-bottom: 2rem;
}

/* Statistics Section */
.stats-section {
    padding: 3rem 0;
    background-color: var(--dark);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: var(--font-jakarta);
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 500;
    font-family: var(--font-dm-sans);
}

/* Testimonials Section */
.testimonials-section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.testimonials-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-item {
    background-color: var(--light);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-content p {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: var(--text-muted);
    font-family: var(--font-roboto);
}

.testimonial-author h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
    font-family: var(--font-dm-sans);
}

@media (max-width: 768px) {
    .testimonials-carousel {
        grid-template-columns: 1fr;
    }
}

/* Team Section */
.team-section {
    padding: var(--section-padding);
    background-color: var(--light);
}

.team-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 3rem auto;
    line-height: 1.6;
    font-family: var(--font-roboto);
}

.team-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.value-item {
    text-align: center;
    padding: 1.5rem;
}

.value-item h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-family: var(--font-dm-sans);
}

.value-item p {
    color: var(--text-muted);
    font-family: var(--font-roboto);
}

.team-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.team-member {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.team-member h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-family: var(--font-dm-sans);
}

.team-member p {
    color: var(--primary-color);
    font-weight: 500;
    font-family: var(--font-dm-sans);
}

/* Contact Section */
.contact-section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.contact-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 1rem;
    font-family: var(--font-roboto);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 121, 237, 0.1);
}

.form-group input::placeholder {
    color: #999;
}

/* Bottom CTA Section */
.bottom-cta-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--dark), var(--gray-dark));
    color: var(--white);
}

.bottom-cta-content .section-subtitle {
    color: var(--primary-color);
}

.bottom-cta-content .section-title {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.bottom-cta-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    font-family: var(--font-roboto);
}

/* Certifications Section */
.certifications-section {
    padding: 2rem 0;
    background-color: var(--light);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
}

.certifications-grid img {
    max-height: 120px;
    width: auto;
    filter: grayscale(100%);
    transition: var(--transition-base);
}

.certifications-grid img:hover {
    filter: grayscale(0%);
}

/* Footer */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo img {
    height: 90px;
    width: auto;
}

.footer-info p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-roboto);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Responsive Typography */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .service-title {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .portfolio-description,
    .team-description,
    .bottom-cta-description {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 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;
}

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

/* Focus Styles for Accessibility */
a:focus,
button:focus,
input:focus,
select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        padding: 2rem 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-nav {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* Header Scroll Effects */
.header.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header.hidden {
    transform: translateY(-100%);
}

/* Form Error Styles */
.form-group input.error,
.form-group select.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(29, 121, 237, 0.1);
}

.form-message {
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
    font-weight: 500;
    font-family: var(--font-dm-sans);
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Image Modal Styles */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 800px;
    top: 50%;
    transform: translateY(-50%);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
}

.modal-close:hover {
    color: var(--primary-color);
}

.modal-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* Tab Content Animation */
.tab-pane {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.tab-pane.active {
    opacity: 1;
    transform: translateY(0);
}

/* Lazy Loading Images */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

img.lazy.loaded {
    opacity: 1;
}

/* Enhanced Testimonials */
.testimonial-item.active {
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* Scroll Indicator */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--light);
    z-index: 1001;
}

.scroll-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-color));
    width: 0%;
    transition: width 0.3s ease;
}

/* Enhanced Hover Effects */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.gallery-item:hover {
    cursor: pointer;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Enhanced Focus States */
.btn:focus {
    box-shadow: 0 0 0 3px rgba(29, 121, 237, 0.5);
}

.tab-btn:focus {
    box-shadow: 0 0 0 3px rgba(29, 121, 237, 0.3);
}

/* Improved Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid var(--white);
    }

    .btn-secondary {
        border: 2px solid var(--text-color);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Print Styles */
@media print {
    .header,
    .mobile-menu-toggle,
    .image-modal,
    .scroll-indicator {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .section-title {
        font-size: 18pt;
        page-break-after: avoid;
    }

    .btn {
        border: 1px solid #000;
        background: none !important;
        color: #000 !important;
    }
}