:root {
    --primary-color: #0047AB;
    --primary-light: #E6F0FF;
    --text-dark: #333333;
    --text-medium: #555555;
    --text-light: #777777;
    --border-color: #E0E0E0;
    --background-white: #FFFFFF;
    --divider-color: #F0F0F0;

    --font-family: 'Inter', sans-serif;
    --font-size-base: 12px;
    --font-size-small: 12px;
    --font-size-medium: 12px;
    --font-size-large: 18px;
    --font-size-xlarge: 20px;
    --font-size-xxlarge: 30px;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-base: 1.4;
    --line-height-small: 1.2;
    --line-height-medium: 1.3;
    --line-height-large: 1.5;

    --link-color: var(--text-medium);
    --link-hover-color: var(--primary-color);
    --link-visited-color: var(--text-medium);
}

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

body {
    font-family: var(--font-family);
    background: var(--background-white);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
}

.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--background-white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 16px;
    font-size: var(--font-size-small);
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-switcher:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.lang-switcher span {
    margin: 0 8px;
    color: var(--text-light);
}

.lang-switcher .active {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.header {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-start;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.profile-img-container {
    position: relative;
    width: 210px;
    height: 210px;
    border-radius: 5px;
    overflow: hidden;
    border: 0px solid var(--border-color);
    margin-top: 20px;
}

.profile-img {
    position: absolute;
    width: 120%;
    height: 120%;
    top: -10%;
    left: -10%;
    object-fit: cover;
    transition: transform 0.3s ease-out;
}

.header-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.header-text {
    display: flex;
    flex-direction: column;
}

.header-text h1 {
    font-size: var(--font-size-xxlarge);
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.header-text h2 {
    font-size: var(--font-size-large);
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.header-text p {
    color: var(--text-medium);
    font-size: var(--font-size-medium);
    line-height: var(--line-height-large);
    margin-bottom: 8px;
    max-width: 600px;
}

.contact-info {
    width: 300px;
    color: var(--text-medium);
    font-size: var(--font-size-medium);
    align-self: flex-start;
    margin-top: 80px;
    border-left: 1px solid var(--primary-color);
    padding-left: 10px;
    min-height: 100px;
}

.contact-info p {
    margin: 12px 0;
    display: flex;
    justify-content: space-between;
}

.contact-info .label {
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
}

.contact-info .value {
    color: var(--text-medium);
}

.section-title {
    font-size: var(--font-size-xlarge);
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-left: 4px solid var(--primary-color);
    padding-left: 10px;
    display: flex;
    align-items: center;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 30px;
}

.expertise-item {
    background: var(--background-white);
    padding: 24px 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
    transition: all 0.2s ease;
}

.expertise-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-color: var(--primary-color);
}

.expertise-item h3 {
    font-size: var(--font-size-medium);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 12px;
    color: var(--primary-color);
}

.expertise-item p {
    font-size: var(--font-size-small);
    color: var(--text-medium);
    text-align: left;
}

.clients-section {
    margin-bottom: 30px;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 30px;
    align-items: center;
}

.client-logo {
    max-width: 100%;
    height: auto;
    aspect-ratio: 3/2;
    object-fit: contain;
    opacity: 0.8;
    transition: opacity 0.3s;
    filter: grayscale(100%);
}

.client-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.testimonials-section {
    margin-bottom: 30px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial {
    background: var(--background-white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 30px;
    position: relative;
}

.testimonial:hover {
    border-color: var(--primary-color);
}

.testimonial-content {
    font-size: var(--font-size-small);
    color: var(--text-medium);
    font-style: italic;
    line-height: var(--line-height-large);
    margin-bottom: 20px;
    position: relative;
}

.testimonial-content::before {
    content: "\201C";
    font-size: 60px;
    color: var(--primary-light);
    position: absolute;
    top: -30px;
    left: -20px;
    z-index: 0;
    font-family: Georgia, serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.testimonial-author-info h4 {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: 4px;
}

.testimonial-author-info p {
    font-size: var(--font-size-small);
    color: var(--text-light);
}

.metrics-section {
    margin-bottom: 30px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.metric-item {
    background: var(--background-white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 24px;
    text-align: center;
    transition: all 0.2s ease;
}

.metric-item:hover {
    border-color: var(--primary-color);
}

.metric-number {
    font-size: 36px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 8px;
}

.metric-label {
    font-size: var(--font-size-small);
    color: var(--text-medium);
    font-weight: var(--font-weight-medium);
}

footer {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
    color: var(--text-light);
    font-size: var(--font-size-small);
}

.bio-section {
    margin-bottom: 40px;
}

.bio-content {
    display: none;
    font-size: var(--font-size-medium);
    line-height: var(--line-height-large);
    color: var(--text-medium);
}

.bio-content.show {
    display: block;
}

.bio-toggle {
    color: var(--text-light);
    cursor: pointer;
    font-size: var(--font-size-medium);
    font-weight: var(--font-weight-medium);
    margin-top: 10px;
}

.bio-toggle [data-lang-inline] span {
    text-decoration: underline;
    text-decoration-style: dashed;
}

.bio-toggle:hover [data-lang-inline] span {
    text-decoration: underline;
}

.bio-toggle::before {
    content: '\25B6';
    margin-right: 5px;
}

.bio-toggle.show::before {
    content: '\25B2';
}

.bio-toggle .bio-expanded {
    display: none;
}

.bio-toggle.show .bio-collapsed {
    display: none;
}

.bio-toggle.show .bio-expanded {
    display: inline;
}

.bold-text {
    font-weight: var(--font-weight-bold);
}

.bold-italic-text {
    font-weight: var(--font-weight-bold);
    font-style: italic;
}

a {
    color: var(--link-color);
    text-decoration: underline;
    text-decoration-style: dotted;
}

a:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
    text-decoration-style: solid;
}

a:visited {
    color: var(--link-visited-color);
}

.divider {
    width: 100%;
    height: 1px;
    background-color: var(--border-color);
    margin: 20px 0;
}

/* Loading Indicator */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--primary-light);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

[data-lang] {
    display: none;
}

[data-lang].active {
    display: block;
}

[data-lang-inline] {
    display: none;
}

[data-lang-inline].active {
    display: inline;
}

@media (max-width: 992px) {
    .lang-switcher {
        top: 10px;
        right: 10px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .profile-img-container {
        margin: 0 auto;
        margin-top: 0;
    }

    .header-text {
        width: 100%;
    }

    .header-text p {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .contact-info {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-left: 0;
        padding-top: 20px;
        text-align: center;
        margin-top: 0;
    }

    .contact-info p {
        justify-content: center;
        flex-direction: column;
        gap: 5px;
    }

    .expertise-grid, .testimonials-grid, .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .expertise-grid, .testimonials-grid, .metrics-grid {
        grid-template-columns: 1fr;
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}