/* Font Face Declarations */
@font-face {
    font-family: 'IBM Plex Sans';
    src: url('fonts/ibm-plex-sans-400.woff2') format('woff2'),
         url('fonts/ibm-plex-sans-400.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('fonts/ibm-plex-sans-700.woff2') format('woff2'),
         url('fonts/ibm-plex-sans-700.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables for Colors */
:root {
    /* Primary Colors - Based on PDF blue tones */
    --primary-color: #011f4b;
    --secondary-color: #005b96;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #eeeeee;
    
    /* Text Colors */
    --text-primary: #000000;
    --text-secondary: #475569;
}

/* CSS Variables for Font Sizes */
:root {
    --font-size-sm: 0.5rem;
    --font-size-base: 0.625rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.375rem;

    --font-size-content: var(--font-size-base);

    font-size: calc(var(--font-size-base) * 3);
}

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

/* Typography Improvements */
p, li, h1, h2, h3, h4, h5, h6 {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
}

body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    line-height: 1.2;
    background-color: var(--bg-secondary);
    font-weight: 400;
    margin: 2.25rem auto;
}

a {
    color: var(--secondary-color);
    text-decoration: underline;
}

a:hover, a:active, a:focus {
    color: var(--primary-color);
}

.icon-link {
    display: inline-flex;
    align-items: center;
    font-size: var(--font-size-content);
    transition: color 0.2s ease;
}

.icon-link svg {
    width: 0.9rem;
    height: auto;
    flex-shrink: 0;
}

.icon-link svg:first-child {
    padding-right: 0.25rem;
}

.icon-link svg:last-child {
    padding-left: 0.25rem;
}

/* Detailed View Toggle Switch */


.show-detailed-only,
.show-print-only {
    display: none;
}

.show-detailed .show-detailed-only {
    display: block;
}

.show-detailed .show-overview-only {
    display: none;
}

.controls {
    z-index: 1;
    position: sticky;
    top: 0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-areas: 
        "language details download";
    gap: 1rem;
    align-items: center;
    width: 100%;
    max-width: 37.5rem;
    margin: 0 auto;
    padding: 1rem 1.75rem;
    background-color: var(--bg-secondary);
}

.control-language {
    grid-area: language;
}

.control-details {
    grid-area: details;
}

.control-download {
    grid-area: download;
    text-align: end;
}

.toggle-button-group {
    position: relative;
    display: inline-flex;
    background-color: transparent;
    border: 1px solid var(--secondary-color);
    border-radius: 0.1875rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.toggle-checkbox {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.toggle-button {
    display: inline-block;
    padding: 0.2rem 0.75rem;
    border-radius: 0;
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--secondary-color);
    background-color: transparent;
    border: none;
    text-transform: uppercase;
    letter-spacing: .1em;
    text-align: center;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.toggle-button:first-of-type {
    border-top-left-radius: 0.125rem;
    border-bottom-left-radius: 0.125rem;
}

.toggle-button:last-of-type {
    border-top-right-radius: 0.125rem;
    border-bottom-right-radius:0.125rem;
}

.toggle-button:hover {
    background-color: color-mix(in srgb, var(--secondary-color) 20%, transparent);
}

.toggle-checkbox:checked + .toggle-button + .toggle-button {
    background-color: var(--secondary-color);
    color: var(--bg-primary);
}

.toggle-checkbox:not(:checked) + .toggle-button {
    background-color: var(--secondary-color);
    color: var(--bg-primary);
}

/* Container */
.container {
    width: 100%;
    max-width: 37.5rem;
    background-color: var(--bg-primary);
    margin: 0 auto;
    padding: 2.25rem 1.75rem;
}

/* Header Styles */
.cv-header {
    text-align: left;
    margin-bottom: 1.875rem;
}

.cv-header h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--primary-color);
    line-height: 1;
}

.cv-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 400;
    color: var(--secondary-color);
    margin-bottom: 0.9375rem;
}

/* Main Content */
.cv-main {
    width: 100%;
    display: grid;
    grid-template-rows: auto auto 1fr;
    grid-template-columns: 1fr max(8rem, 27%);
    grid-template-areas: 
        "summary contact"
        "experience education"
        "experience link";
    gap: 1.75rem;
}

/* Section Styles */
section {
    margin: 0;
}

section h2 {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.0875rem;
}

/* Summary Section */
.summary-section {
    grid-area: summary;
}

/* Contact Section */
.contact-section {
    grid-area: contact;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-item {
    margin-bottom: 0.4rem;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item .icon-link:hover {
    color: var(--primary-color);
}

.contact-item .icon-link svg {
    margin-right: 0.25rem;
}

/* Reusable Bulleted List */
.bullet-list {
    list-style: none;
    padding-left: 0;
}

.bullet-list li {
    margin-bottom: 0.4rem;
    padding-left: 1rem;
    position: relative;
    font-size: var(--font-size-base);    
    font-weight: 400;
}

.bullet-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.26rem;
    width: 0.2rem;
    height: 0.2rem;
    background-color: transparent;
    border: 0.07rem solid var(--text-primary);
    border-radius: 50%;
}

/* Employment Sections */
.employment {
    page-break-inside: avoid;
}

.employment + .employment {
    margin-top: 1.625rem;
}

.employment-header {
    margin-bottom: 0.4rem;
}

.employment-header h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--primary-color);
}

.employment-time {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: var(--secondary-color);
    margin-left: 0.5rem;
}

.employment p {
    font-size: var(--font-size-content);
    line-height: 1.3;
    margin: 0.3rem 0 0;
    font-weight: 400;
}

/* Tech Skills */
.tech-skills {
    list-style: none;
    padding: 0;
    margin: 0.4rem 0 0.6rem 0;
}

.tech-skills li {
    display: inline-block;
    background-color: var(--bg-secondary);
    background-color: color-mix(in srgb, var(--secondary-color) 20%, transparent);
    color: var(--text-secondary);
    color: var(--primary-color);
    padding: 0.15rem 0.4rem;
    margin: 0 0.2rem 0.2rem 0;
    border-radius: 0.1875rem;
    font-size: var(--font-size-sm);
    font-weight: 400;
    line-height: 1.2;
}

/* Achievement Categories */
.achievement-categories {
    margin-top: 0.84375rem;
}

.achievement-categories .bullet-list li::before {
    top: 0.18rem;
}

.achievement-category {
    margin-bottom: 0.3rem;
    display: grid;
    grid-template-columns: 25% 1fr;
    gap: 0.75rem;
    align-items: start;
}

.achievement-category h4 {
    font-size: var(--font-size-content);
    font-weight: 700;
    margin: 0;
}

.achievement-category p {
    font-size: var(--font-size-content);
    margin: 0;
}

/* Experience Section */
.experience-section {
    grid-area: experience;
    margin-bottom: 0;
}

/* Education Section */
.education-section {
    grid-area: education;
    margin-bottom: 0;
}

.education-item + .education-item {
    margin-top: 0.9375rem;
}

.education-item h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.4rem;
}

.education-details {
    font-size: var(--font-size-content);
    font-weight: 400;
    color: var(--secondary-color);
}

/* Link Section */
.link-section {
    grid-area: link;
}

.link-section h2 {
    margin-bottom: 0.25rem;
}

.detailed-skills-link {
    font-size: var(--font-size-base);
    font-weight: 700;
}

/* Responsive Design */
@media screen and (max-width: 942px) {
    :root {
        --font-size-content: var(--font-size-sm);
    }

    body {
        margin: 0 auto;
    }

    .controls {
        position: static;
        grid-template-columns: 1fr;
        grid-template-areas:
            "details details"
            "language download";
            padding: 1rem;
    }

    .control-details {
        justify-self: center;
    }

    .container {
        padding: 1.5rem 1rem;
    }

    .cv-main {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "summary"
            "contact"
            "experience"
            "education"
            "link";
        gap: 2rem;
    }
    
    .achievement-category {
        grid-template-columns: 1fr;
        gap: 0.15rem;
    }
}

/* Print Styles */
@media print {
    :root {
        --font-size-content: var(--font-size-sm);
        font-size: calc(var(--font-size-base) * 2);
    }

    body {
        background-color: var(--bg-primary);
        max-width: none;
        padding: 0;
        margin: 0;
    }
    
    .container {
        width: 100%;
        max-width: none;
    }

    .contact-item .icon-link,
    .detailed-skills-link {
        text-decoration: none;
        color: var(--text-primary);
    }
    
    .employment {
        page-break-inside: avoid;
    }
    
    section {
        page-break-inside: avoid;
    }
    
    .show-overview-only,
    .show-print-only {
        display: block !important;
    }
    
    .show-detailed-only {
        display: none !important;
    }
    
    .controls {
        display: none !important;
    }
}