:root {
    --word-primary: rgb(43, 87, 154);
    --word-accent: rgb(15, 108, 189);
    --word-light: rgb(166, 198, 226);
    --excel-primary: rgb(16, 124, 16);
    --excel-accent: rgb(65, 173, 122);
    --excel-light: rgb(201, 234, 221);
    --powerpoint-primary: rgb(237, 125, 49);
    --powerpoint-accent: rgb(242, 188, 172);
    --powerpoint-light: rgb(253, 229, 221);
    --outlook-primary: rgb(0, 120, 215);
    --outlook-accent: rgb(6, 103, 187);
    --outlook-light: rgb(230, 241, 251);
    --neutral-bg_light: rgb(245, 245, 245);
    --neutral-bg_lighter: rgb(255, 255, 255);
    --neutral-gray_border: rgb(200, 200, 200);
    --neutral-text_dark: rgb(30, 30, 30);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-normal);
    color: var(--neutral-text_dark);
    line-height: 1.6;
    background-color: var(--neutral-bg_lighter);
}

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

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-gray_border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--powerpoint-primary);
}

.tagline {
    font-size: 0.875rem;
    color: var(--neutral-text_dark);
    font-weight: var(--font-weight-medium);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    text-decoration: none;
    color: var(--neutral-text_dark);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--neutral-text_dark);
    margin: 2px 0;
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: var(--powerpoint-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--powerpoint-primary);
    border: 2px solid var(--powerpoint-primary);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--powerpoint-light) 0%, var(--neutral-bg_light) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.highlight {
    color: var(--powerpoint-primary);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--neutral-text_dark);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--powerpoint-primary), var(--excel-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.tech-icons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.icon-item {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    backdrop-filter: blur(10px);
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
}

.section-description {
    font-size: 1.125rem;
    color: var(--neutral-text_dark);
    max-width: 600px;
    margin: 0 auto;
}

/* Services */
.services {
    padding: var(--spacing-2xl) 0;
    background-color: var(--neutral-bg_lighter);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(16, 124, 16, 0.02) 50%, transparent 70%);
    transform: rotate(-45deg);
    animation: shimmer 8s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(-45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(-45deg); }
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--neutral-bg_light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--neutral-gray_border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 10px 10px -5px rgb(0 0 0 / 0.04);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
}

.service-description {
    color: var(--neutral-text_dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: var(--neutral-text_dark);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--excel-primary);
    font-weight: var(--font-weight-bold);
}

/* About */
.about {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--excel-light) 0%, var(--neutral-bg_lighter) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-description {
    font-size: 1.125rem;
    color: var(--neutral-text_dark);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.feature-number {
    width: 80px;
    height: 80px;
    background: var(--powerpoint-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
}

.feature-text h4 {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    color: var(--neutral-text_dark);
    font-size: 0.875rem;
}

.founder-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.founder-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.founder-role {
    color: var(--powerpoint-primary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
}

.founder-bio {
    color: var(--neutral-text_dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.linkedin-link {
    color: var(--powerpoint-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.linkedin-link:hover {
    color: var(--powerpoint-accent);
}

/* Technologies */
.technologies {
    padding: var(--spacing-2xl) 0;
    background-color: var(--neutral-bg_light);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.tech-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--neutral-gray_border);
    transition: var(--transition);
}

.tech-item:hover {
    border-color: var(--powerpoint-primary);
    transform: translateY(-2px);
}

/* Contact */
.contact {
    padding: var(--spacing-2xl) 0;
    background: #4d4d4d;
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.contact .section-title {
    color: white;
}

.contact-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-details h4 {
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.contact-details a {
    color: white;
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.contact-details a:hover {
    opacity: 1;
}

.cta-card {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    backdrop-filter: blur(10px);
}

.cta-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-card p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.cta-card .btn-primary {
    background: white;
    color: var(--word-primary);
}

.cta-card .btn-primary:hover {
    background: var(--neutral-bg_light);
    transform: translateY(-2px);
}

.cta-note {
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
    opacity: 0.8;
}

/* Contact Form */
.contact-form {
    text-align: left;
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: white;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: var(--font-family);
    font-size: 0.875rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select option {
    background: var(--word-primary);
    color: white;
}

.contact-form .btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* Footer */
.footer {
    background-color: var(--neutral-text_dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--powerpoint-primary);
}

.footer-brand p {
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--powerpoint-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
    opacity: 0.8;
    line-height: 1.5;
}

.footer-section li strong {
    color: white;
    opacity: 1;
}


.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.7;
    margin-bottom: var(--spacing-xs);
}

.footer-description {
    font-size: 0.75rem;
    opacity: 0.6;
    line-height: 1.5;
}

/* Blog Specific Styles */
.blog-header {
    padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--word-light) 0%, var(--neutral-bg_light) 100%);
    text-align: center;
}

.blog-content {
    padding: var(--spacing-2xl) 0;
    background-color: var(--neutral-bg_lighter);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.blog-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--neutral-gray_border);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--word-primary);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

.blog-date {
    color: var(--neutral-text_dark);
    opacity: 0.7;
}

.blog-tag {
    background-color: var(--word-light);
    color: var(--word-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
}

.blog-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.blog-title a {
    text-decoration: none;
    color: var(--neutral-text_dark);
    transition: var(--transition);
}

.blog-title a:hover {
    color: var(--word-primary);
}

.blog-excerpt {
    color: var(--neutral-text_dark);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.blog-link {
    color: var(--word-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.blog-link:hover {
    color: var(--word-accent);
}

.blog-cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--excel-light) 0%, var(--neutral-bg_light) 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--neutral-text_dark);
    margin-bottom: var(--spacing-xl);
    opacity: 0.8;
}

/* Blog Article Styles */
.blog-article {
    padding: calc(70px + var(--spacing-lg)) 0 0;
    background-color: var(--neutral-bg_lighter);
}

.article-header {
    margin-bottom: var(--spacing-2xl);
}

.breadcrumb {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
    opacity: 0.7;
}

.breadcrumb a {
    color: var(--word-primary);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--word-accent);
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
}

.article-date {
    color: var(--neutral-text_dark);
    opacity: 0.7;
}

.article-tag {
    background-color: var(--word-light);
    color: var(--word-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
}

.article-author {
    color: var(--neutral-text_dark);
    opacity: 0.7;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    color: var(--neutral-text_dark);
}

.article-content h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-xl);
    color: var(--neutral-text_dark);
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
}

.article-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
}

.article-content strong {
    font-weight: var(--font-weight-semibold);
    color: var(--word-primary);
}

.article-cta {
    background: var(--word-light);
    border-left: 4px solid var(--word-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    margin: var(--spacing-2xl) 0;
}

.article-cta p:first-child {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--neutral-text_dark);
}

.article-cta p:nth-child(2) {
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
}

.article-cta .btn {
    background-color: var(--word-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
    display: inline-block;
}

.article-cta .btn:hover {
    background-color: var(--word-accent);
    transform: translateY(-1px);
}

.article-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--neutral-gray_border);
}

.author-bio {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.author-bio h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--neutral-text_dark);
}

.author-bio p {
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
}

.author-bio a {
    color: var(--word-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.author-bio a:hover {
    color: var(--word-accent);
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.related-articles {
    padding: var(--spacing-2xl) 0;
    background-color: var(--neutral-bg_light);
}

.related-articles h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--neutral-text_dark);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.related-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--neutral-gray_border);
    box-shadow: var(--shadow-sm);
}

.related-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--neutral-text_dark);
}

.related-card p {
    color: var(--neutral-text_dark);
    opacity: 0.8;
}

/* Active nav link */
.nav-menu a.active {
    color: var(--word-primary);
    font-weight: var(--font-weight-semibold);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: left;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-graphic {
        width: 250px;
        height: 250px;
    }
    
    .features-list {
        gap: var(--spacing-md);
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .article-navigation {
        flex-direction: column;
    }
    
    .article-content h1 {
        font-size: 2rem;
    }
    
    .article-content h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .founder-card {
        padding: var(--spacing-md);
    }
    
    .cta-card {
        padding: var(--spacing-md);
    }
}