:root {
    --color-bg: var(--yellow-50);
    --color-text: var(--yellow-999);
    --color-border: var(--yellow-999);

     /* Colour palette */

     /* Yellow */
     --yellow-15:   #fffdfa;
     --yellow-20:   #fefbf5;
     --yellow-25:   #fefaf0;
     --yellow-50:   #fef8ec;
     --yellow-100:   #fce9c3;
     --yellow-200:   #fadea6;
     --yellow-300:   #f8cf7d;
     --yellow-400:   #f7c664;
     --yellow-500:   #f5b83d;
     --yellow-600:   #dfa738;
     --yellow-700:   #ae832b;
     --yellow-800:   #876522;
     --yellow-900:   #674d1a;
     --yellow-999:   #0a0700;

     /* Blue */
     --blue-50:   #e8fbfd;
     --blue-100:   #b8f3f7;
     --blue-200:   #95edf4;
     --blue-300:   #65e5ee;
     --blue-400:   #47e0eb;
     --blue-500:   #19d8e6;
     --blue-600:   #17c5d1;
     --blue-700:   #1299a3;
     --blue-800:   #0e777f;
     --blue-900:   #0b5b61;

     /* Red */
     --red-50:   #feecec;
     --red-100:   #fcc5c3;
     --red-200:   #faa9a6;
     --red-300:   #f8827d;
     --red-400:   #f76a64;
     --red-500:   #f5453d;
     --red-600:   #df3f38;
     --red-700:   #ae312b;
     --red-800:   #872622;
     --red-900:   #671d1a;

     /* Green */
     --green-50:   #e8f8f1;
     --green-100:   #b6e9d4;
     --green-200:   #93debf;
     --green-300:   #62cfa2;
     --green-400:   #43c690;
     --green-500:   #14b874;
     --green-600:   #12a76a;
     --green-700:   #0e8352;
     --green-800:   #0b6540;
     --green-900:   #084d31;

     /* Grey */
     --grey-50:   #F5F5F4;
     --grey-100:   #E1E0DE;
     --grey-200:   #D2D1CE;
     --grey-300:   #BEBCB7;
     --grey-400:   #B1AEA9;
     --grey-500:   #9E9B94;
     --grey-600:   #908D87;
     --grey-700:   #706E69;
     --grey-800:   #575551;
     --grey-900:   #42413E;

    /* Spacing */
    --spacing-xxs: 0.125rem;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-xxxl: 4rem;
    --font-family: 'Poppins', sans-serif;

    /* Font Sizes */
    --font-size-xs: 0.625rem;
    --font-size-sm: 0.812rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.562rem;
    --font-size-xxl: 1.938rem;
    --font-size-xxxl: 2.438rem;
    --font-size-xxxxl: 3.3rem;
    

    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Line Heights */
    --line-height-sm: 1.2;
    --line-height-md: 1.5;
    --line-height-lg: 1.8;

    /* Letter Spacings */
    --letter-spacing-tight-4: -0.04em;
    --letter-spacing-tight-3: -0.03em;
    --letter-spacing-tight-2: -0.02em;
    --letter-spacing-tight-1: -0.01em;
    --letter-spacing-normal: 0em;
    --letter-spacing-wide-1: 0.01em;
    --letter-spacing-wide-2: 0.02em;
    --letter-spacing-wide-3: 0.03em;
    --letter-spacing-wide-4: 0.04em;

    /* Border Radius */ 
    --border-radius-sm: 0.125rem;
    --border-radius-md: 0.25rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    --border-radius-xxl: 2rem;

    /* Box Shadows */
    --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.1);
    --box-shadow-md: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);

}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    padding: var(--spacing-xl);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Skip to Content Link for Accessibility */
.skip-to-content {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-text);
    color: var(--color-bg);
    text-decoration: none;
}

.skip-to-content:focus {
    left: 50%;
    transform: translateX(-50%);
    top: 0;
}

/* Header Enhancements */
header {
    margin-bottom: 0;
    position: sticky;
    top: 0;
    background-color: var(--color-bg);
    z-index: 100;
    padding: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    gap: var(--spacing-lg);
    width: 100%;
}

h1 {
    font-size: var(--font-size-xxxxl);
    color: var(--color-text);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-sm);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: var(--font-size-xxxl);
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-sm);
    margin-top: 2rem;
    margin-bottom: 1rem;
    letter-spacing: var(--letter-spacing-tight-2);
}

h3 {
    font-size: var(--font-size-xxl);
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-sm);
    margin-top: 2rem;
    margin-bottom: .5rem;
    letter-spacing: var(--letter-spacing-tight-1);
}

h4 {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-sm);
    margin-top: 1rem;
    margin-bottom: .5rem;
    letter-spacing: var(--letter-spacing-tight-1);
}

h5 {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-sm);
    margin-top: 1rem;
    margin-bottom: .5rem;
}

h6 {
    font-size: var(--font-size-md);
    color: var(--color-text);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-sm);
    margin-top: 1rem;
    margin-bottom: .5rem;
}

.logo {
    height: 1em;
    width: auto;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    width: auto;
    max-width: none;
}

nav {
    margin-bottom: 0;
    display: flex;
    justify-content: center;
    width: 100%;
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    justify-content: center;
}

nav a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xl);
    letter-spacing: var(--letter-spacing-tight-2);
    padding: var(--spacing-sm) 0;
    margin: 0;
    border-radius: 4px;
    transition: all 0.2s ease;
    white-space: nowrap;
    position: relative;
}

nav a:hover {
    text-decoration: none;
    background-color: rgba(41, 41, 41, 0.05);
    padding: var(--spacing-sm) 0.75rem;
}

nav a:active {
    background-color: rgba(41, 41, 41, 0.1);
    transform: scale(0.98);
    padding: var(--spacing-sm) 0.75rem;
}

/* Active page indicator */
nav a.active {
    font-weight: 600;
    background-color: rgba(41, 41, 41, 0.05);
    padding: var(--spacing-sm) 0.75rem;
    border-bottom: none;
}

nav a.active::after {
    content: none;
}

main {
    margin-top: calc(var(--spacing-xl) * 1.5);
    padding-bottom: var(--spacing-xl);
}

section {
    margin-bottom: var(--spacing-xl);
}

.intro-text {
    margin-bottom: var(--spacing-md);
}

.medium-weight {
    font-weight: 500;
}

/* Contact Form Styles */
.contact-form {
    max-width: 600px;
    margin: var(--spacing-xl) auto 0;
}

.email-alternative {
    text-align: center;
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--color-text);
    opacity: 0.9;
}

.email-alternative a {
    color: var(--tc-teal);
    text-decoration: underline;
    transition: opacity 0.2s ease;
}

.email-alternative a:hover {
    opacity: 0.8;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

input, textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background-color: var(--yellow-15);
    font-family: var(--font-family);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

button {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 500;
}

button:hover {
    opacity: 0.9;
}

/* Portfolio Grid Styles */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    background-color: var(--color-bg);
    padding: 0;
    border-radius: 8px;
}

.portfolio-section {
    grid-column: 1 / -1;
    background-color: transparent;
}

.portfolio-section-header {
    font-size: 1.2rem;
    margin-bottom: 0;
    color: var(--color-text);
    padding-bottom: 0;
}

.portfolio-section-description {
    font-size: 1rem;
    line-height: 1.5;
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
    color: var(--color-text);
}

/* Portfolio Item and Document Thumbnail Styles */
.portfolio-item {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    cursor: pointer;
    text-align: center;
}

.portfolio-item:hover {
    transform: none;
}

.document-thumbnail:hover {
    transform: translateY(-5px) rotate(2deg);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.document-thumbnail:hover::before {
    transform: translateY(-2px) rotate(-1deg);
}

.document-thumbnail:hover::after {
    transform: translateY(-4px) rotate(-2deg);
}

.portfolio-item h3 {
    display: none;  /* Hide the title below the thumbnail */
}

.document-thumbnail {
    position: relative;
    background-color: white;
    padding: var(--spacing-md);
    border-radius: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    aspect-ratio: 3/4;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.document-thumbnail .thumbnail-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    border-radius: 0;
    transition: transform 0.3s ease;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.document-thumbnail::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
    background: white;
    border-radius: 4px;
    z-index: 0;
    opacity: 0.95;
}

.document-thumbnail::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    background: white;
    border-radius: 4px;
    z-index: 0;
    opacity: 0.9;
}

/* Remove all the old text and icon styles */
.document-thumbnail .product-name,
.document-thumbnail .doc-type,
.document-thumbnail .version-bar,
.document-thumbnail .product-icon {
    display: none;
}

.document-description {
    font-size: 0.9em;
    font-weight: 500;
    color: var(--color-text);
    margin-top: 12px;
    line-height: 1.4;
    text-align: left;
    padding: 0 4px;
}

footer {
    padding: 0 0 var(--spacing-xl) 0;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.footer-logo {
    width: 24px;
    height: 24px;
    margin-right: 0;
    display: flex;
    align-items: center;
}

.footer-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.footer-content {
    flex-grow: 1;
    text-align: left;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-content p {
    margin: 0;
    padding: 0;
    line-height: 1;
}

/* Services Section Styles */
.services-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.services-list li {
    font-weight: 600;
    margin-bottom: 0;
}

/* Responsive styles for smaller screens */
@media screen and (max-width: 768px) {
    .container {
        padding: var(--spacing-lg);
    }

    h1 {
        font-size: clamp(2.2rem, 6.5vw, 3rem);
    }

    .logo {
        height: 1em;
    }

    nav ul {
        gap: var(--spacing-md);
    }

    .services-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .portfolio-item {
        padding: var(--spacing-md);
    }

    .contact-form {
        padding: 0 var(--spacing-md);
    }

    .form-group {
        margin-bottom: var(--spacing-md);
    }

    input, textarea {
        padding: var(--spacing-sm);
    }

    button {
        width: 100%;
        padding: var(--spacing-md);
    }
}

@media screen and (max-width: 480px) {
    body {
        padding: var(--spacing-sm);
    }
    
    .container {
        padding: var(--spacing-md);
    }

    h1 {
        margin: 0;
    }
    h3 {
        font-size: var(--font-size-xl);
    }

    .logo {
        height: 0.7em;
        max-width: 90vw;
    }
    .logo img {
        
        max-width: 90vw;
        width: auto;
    }

    .header-content {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: var(--spacing-xs);
    }

    nav ul {
        width: 100%;
        justify-content: center;
    }
    
    nav {
        justify-content: center;
    }

    nav a {
        font-size: 1rem;
        padding: var(--spacing-sm) 0.5rem;
    }

    .services-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .footer-logo {
        width: 24px;
        height: 24px;
    }

    .footer-content {
        font-size: 0.8rem;
    }

    .portfolio-section-header {
        font-size: 1.1rem;
    }

    .portfolio-section-description {
        font-size: 0.9rem;
    }

    .portfolio-item h3 {
        font-size: 1rem;
    }
}

/* Error Page Styles */
.error-container {
    text-align: center;
    padding: var(--spacing-xl) 0;
    max-width: 800px;
    margin: 0 auto;
}

.error-code {
    font-size: 4rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.error-message {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.error-description {
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.error-actions a {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-text);
    color: var(--color-bg);
    text-decoration: none;
    border-radius: 4px;
    transition: opacity 0.3s ease;
}

.error-actions a:hover {
    opacity: 0.9;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
}

.modal-content {
    position: relative;
    background-color: var(--color-bg);
    margin: 2% auto;
    padding: 20px;
    width: 90%;
    height: 90%;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--color-text);
}

#documentFrame {
    width: 100%;
    height: calc(100% - 40px);
    border: none;
    margin-top: 20px;
}

/* Responsive adjustments for modal */
@media screen and (max-width: 768px) {
    .modal-content {
        width: 95%;
        height: 95%;
        margin: 2.5% auto;
    }
}

.subheader {
    font-size: 1.35rem;
    color: #888;
    font-weight: 400;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

section p + p {
    margin-top: 1.25rem;
}

.service-desc {
    font-size: 0.97rem;
    color: #292929;
    font-weight: 400;
    margin-top: 0;
    line-height: 1.5;
}

.button {
    display: inline-block;
    background-color: #292929;
    color: #f4f5f0;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 500;
    font-size: 1.1rem;
    text-decoration: none;
    transition: opacity 0.2s ease;
    margin-top: 1.25rem;
}

.button:hover {
    opacity: 0.9;
    text-decoration: none;
}

.quick-form-text {
    margin-top: 0.5rem;
    font-size: 1rem;
    color: #888;
}

/* --- Footer Bar --- */
.footer-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 100px;
  background: none;
  width: 100%;
}

.footer-squares {
  grid-column: 2;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-self: center;
}

.footer-bar svg {
  display: block;
  width: 16px;
  height: 16px;
}

.footer-copyright {
  grid-column: 3;
  justify-self: end;
  font-family: 'Poppins', sans-serif;
  font-size: var(--font-size-md);
  color: #292929;
  white-space: nowrap;
}

/* Tablet breakpoint */
@media (max-width: 900px) {
  .footer-bar {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-md);
    min-height: auto;
    text-align: center;
  }
  .footer-squares {
    grid-column: 1;
    grid-row: 1;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
  }
  .footer-copyright {
    grid-column: 1;
    grid-row: 2;
    justify-self: center;
    font-size: var(--font-size-sm);
    text-align: center;
    white-space: normal;
    margin: 0;
  }
}

/* Mobile breakpoint */
@media (max-width: 600px) {
  .footer-bar {
    gap: var(--spacing-sm);
    min-height: 80px;
  }
  .footer-squares {
    margin-bottom: var(--spacing-xs);
  }
  .footer-copyright {
    font-size: var(--font-size-sm);
  }
}

/* =================================================================
   Portfolio Document Styles
   ================================================================= */

/* Portfolio document container styles */
.portfolio-document {
    padding: 0;
}

.portfolio-content {
    max-width: none;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background-color: white;
    border-radius: 0px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.portfolio-content body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Portfolio document link styles */
.portfolio-content a {
    color: var(--tc-teal);
    text-decoration: underline;
}

.portfolio-content a:visited {
    color: var(--tc-teal);
}

.portfolio-content a:hover,
.portfolio-content a:focus {
    color: var(--tc-magenta);
}

/* Sample header styles */
.sample-header {
    margin-bottom: var(--spacing-xl);
    text-align: left;
    padding-bottom: var(--spacing-lg);
    padding-left: 0;
}

.sample-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.sample-header h1 br {
    display: none;
}

.sample-header .product-name {
    font-size: 2rem;
    font-weight: 500;
    opacity: 1;
    display: flex;
    align-items: center;
    gap: 0.1rem;
    margin-bottom: 1.2rem;
    color: var(--tc-teal);
}

.sample-header .product-icon {
    width: 11rem;
    height: auto;
    vertical-align: middle;
}

.sample-header .doc-type {
    font-size: var(--font-size-xxxl);
    font-weight: 700;
    opacity: 1;
    display: inline-block;
    margin-bottom: 0;
    line-height: 1.2;
    vertical-align: middle;
}

.sample-header p {
    font-size: 1.2rem;
    color: var(--color-text);
    opacity: 0.7;
    margin-top: var(--spacing-md);
}

.sample-header img {
    height: .9em;
    width: auto;
    vertical-align: middle;
}

/* Portfolio document section styles */
.portfolio-content section {
    margin-bottom: var(--spacing-xl);
    padding: 0;
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
}

.portfolio-content ul, 
.portfolio-content ol {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.portfolio-content li {
    margin-bottom: var(--spacing-sm);
}

/* Portfolio document note styles */
.note {
    background-color: rgba(41, 41, 41, 0.05);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-text);
    margin: var(--spacing-md) 0;
    border-radius: 0 4px 4px 0;
}

/* Portfolio document table styles */
.portfolio-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.portfolio-content th, 
.portfolio-content td {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    text-align: left;
}

.portfolio-content th {
    background-color: rgba(41, 41, 41, 0.05);
    font-weight: 500;
}

/* API Reference Styles */
.portfolio-content pre {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
    margin: 15px 0;
}

.portfolio-content code {
    font-family: 'Courier New', Courier, monospace;
    color: #333;
}

.endpoint {
    background-color: #f8f9fa;
    padding: 10px;
    border-left: 4px solid var(--tc-teal);
    margin: 15px 0;
}

.endpoint h3 {
    margin-top: 0;
    color: var(--tc-teal);
}

.endpoint-method {
    font-weight: bold;
    color: var(--tc-magenta);
}

.endpoint-path {
    font-family: 'Courier New', Courier, monospace;
    color: #333;
}

/* Mockup Styles */
.mockup {
    background: #f8f9fa;
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: var(--spacing-md) 0;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 600px;
    min-width: 350px;
    justify-content: center;
}

.mockup img.iphone-view {
    display: block;
    margin: 0 auto;
    max-width: 350px;
    width: 100%;
    height: auto;
}

.mockup img.ipad-view {
    display: block;
    margin: 0 auto;
    max-width: 700px;
    width: 100%;
    height: auto;
}

.caption {
    text-align: center;
    color: #666;
    font-size: 14px;
    margin-top: var(--spacing-sm);
    font-style: italic;
}

.overview {
    margin-bottom: var(--spacing-md);
}

.device-toggle {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    width: auto;
    justify-content: flex-start;
}

.device-toggle button {
    max-width: 120px;
    width: auto;
    min-width: 60px;
    white-space: nowrap;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid var(--green-800);
    background: transparent;
    color: var(--green-800);
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s, color 0.2s;
    font-weight: 500;
}
.device-toggle button.active {
    background: var(--green-800);
    color: var(--yellow-15);
    font-weight: 600;
}

/* Portfolio document responsive styles */
@media screen and (max-width: 768px) {
    .portfolio-content {
        padding: var(--spacing-md);
    }
    
    .portfolio-content section {
        padding: var(--spacing-md);
    }
    
   
    
}

@media screen and (max-width: 480px) {
    .device-toggle {
        display: none !important;
    }
    
    .mockup {
        min-width: 0 !important;
    }
    
    .mockup img.iphone-view {
        max-width: 100% !important;
        width: 100% !important;
        height: auto;
    }
    
    .mockup img.ipad-view {
        display: none !important;
    }
    
    /* Sample header extra small mobile adjustments */

    .sample-header {
        margin-bottom: var(--spacing-sm);
    } 

    .sample-header h2 {
        font-size: var(--font-size-xxl);
        margin-bottom: var(--spacing-xs);
    }
    
    .sample-header .doc-type {
        font-size: var(--font-size-xxl);
    }
    
    .sample-header p {
        font-size: var(--font-size-md);
        margin-top: var(--spacing-sm);
    }
    
    /* Reduce h3 top margin for mobile */
    .portfolio-content h3 {
        margin-top: var(--spacing-sm); /* 8px equivalent */
    }
    
    /* Remove section bottom margin for mobile */
    .portfolio-content section {
        margin-bottom: 0;
        padding-left: 0;
        padding-right: 0;
    }
}

/* Portfolio Documents Layout (Sidebar + Viewer) */
.portfolio-documents-layout {
    display: flex;
    flex-direction: row;
    gap: 0;
    background: none;
    min-height: 600px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
    margin-top: var(--spacing-xl);
}

.portfolio-sidebar {
    min-width: 240px;
    max-width: 280px;
    background: var(--yellow-15);
    border-radius: 8px 0 0 8px;
    box-shadow: 1px 0 6px rgba(0,0,0,0.06);
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border-right: 1px solid #eee;
    justify-content: flex-start;
    position: relative;
}

/* Hamburger menu button */
.sidebar-hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    position: absolute;
    top: 50%;
    right: var(--spacing-lg);
    transform: translateY(-50%);
    z-index: 10;
}

/* Ensure menu is visible by default on desktop */
.sidebar-menu {
    display: block;
}

/* Sidebar header styling */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    position: relative;
    width: 100%;
}

/* Mobile hamburger menu */
@media (max-width: 480px) {
    .portfolio-sidebar {
        padding: var(--spacing-md);
        min-height: 60px;
    }
    
    .sidebar-header {
        margin-bottom: 0;
    }
    
    .sidebar-hamburger {
        display: flex;
        position: relative;
        top: auto;
        right: auto;
        transform: none;
    }
    
    .sidebar-menu {
        display: none !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--yellow-15);
        border-top: 1px solid #eee;
        padding: var(--spacing-md);
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        z-index: 100;
    }
    
    .sidebar-menu.active {
        display: block !important;
    }
    
    .portfolio-sidebar li {
        margin-bottom: var(--spacing-sm);
    }
}

.sidebar-hamburger span {
    width: 100%;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
}

.portfolio-sidebar ul {
    display: block !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

/* Override for mobile menu */
@media (max-width: 480px) {
    .portfolio-sidebar ul.sidebar-menu {
        display: none !important;
        padding: var(--spacing-md);
    }
    
    .portfolio-sidebar ul.sidebar-menu.active {
        display: block !important;
        padding: var(--spacing-md);
    }

}

.portfolio-sidebar li {
    margin-bottom: var(--spacing-xs);
}

.portfolio-sidebar a {
    display: block;
    color: #222;
    font-weight: 600;
    font-size: var(--font-size-md);
    text-decoration: none;
    padding: var(--spacing-sm) 0;
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
    /* Ensure main menu items never indent */
    padding-left: 0;
    margin-left: 0;
}

.portfolio-sidebar a.active,
.portfolio-sidebar a:hover {
    color: var(--color-text);
    /* Add left padding for active/hover states so text doesn't touch the edge */
    padding-left: var(--spacing-sm);
    margin-left: 0;
}

.sidebar-desc {
    display: block;
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text);
    margin-top: 2px;
}

.portfolio-viewer-pane {
    flex: 1 1 0%;
    background: #faf9f6;
    border-radius: 0 8px 8px 0;
    box-shadow: none;
    padding: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
}

#portfolioDocumentFrame {
    width: 100%;
    height: 100%;
    min-height: 800px;
    border: none;
    background: #fff;
    border-radius: 0px 8px 8px 0px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

@media (max-width: 900px) {
    .portfolio-documents-layout {
        flex-direction: column;
    }
    .portfolio-sidebar {
        max-width: 100%;
        min-width: 0;
        border-radius: 8px 8px 0 0;
        border-right: none;
        border-bottom: 1px solid #eee;
        flex-direction: column;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    .portfolio-sidebar ul {
        display: block;
    }
    .portfolio-sidebar li {
        margin-bottom: var(--spacing-md);
    }
    .portfolio-viewer-pane {
        border-radius: 0 0 8px 8px;
        padding: var(--spacing-md);
    }
}

/* Remove padding on smallest mobile devices */
@media (max-width: 480px) {
    .portfolio-viewer-pane {
        padding: 0;
    }
}



.contact-card {
  background: var(--yellow-15);
  padding: var(--spacing-xxl) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-md);
  margin: var(--spacing-xl) auto;
  max-width: 600px;
}

.doc-headings li, .doc-headings li a {
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-md);
  /* Ensure sub-headings are properly indented */
  padding-left: var(--spacing-sm);
  margin-left: 0;
}

/* Third level headings (h4) styling */
.doc-sub-headings {
  list-style: none;
  padding: 0;
  margin: var(--spacing-xs) 0 0 0;
}

.doc-sub-headings li, .doc-sub-headings li a {
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-sm);
  /* Additional indentation for third level */
  padding-left: var(--spacing-md);
  margin-left: 0;
}