/* ==========================================================================
   DESIGN SYSTEM & CUSTOM PROPERTIES (Light Theme)
   ========================================================================== */
:root {
    --bg-primary: #F8FAFC;       /* Soft slate tint */
    --bg-secondary: #FFFFFF;     /* Pure white for cards & blocks */
    --bg-tertiary: #F1F5F9;      /* Slate-100 for tags/borders */
    --primary: #4F46E5;          /* Indigo 600 */
    --primary-hover: #4338CA;    /* Indigo 700 */
    --primary-light: #EEF2FF;    /* Indigo 50 */
    --accent: #F59E0B;            /* Amber 500 */
    --accent-light: #FEF3C7;      /* Amber 100 */
    --text-main: #0F172A;        /* Slate 900 */
    --text-muted: #334155;       /* Slate 700 */
    --text-light: #64748B;       /* Slate 500 */
    --border-color: #E2E8F0;     /* Slate 200 */
    
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(79, 70, 229, 0.04), 0 4px 6px -4px rgba(79, 70, 229, 0.04);
    --shadow-premium: 0 20px 25px -5px rgba(0, 0, 0, 0.03), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

/* ==========================================================================
   GLOBAL RESETS & SETUP
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

ul {
    list-style: none;
}

/* ==========================================================================
   LAYOUT STRUCTURE
   ========================================================================== */
.content-wrapper {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 100px auto 40px; /* Offset for sticky header */
    padding: 0 24px;
}

/* ==========================================================================
   STICKY GLASSMORPHIC HEADER
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.logo-accent {
    color: var(--primary);
    margin-right: 4px;
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 15px;
    color: var(--text-light);
    padding: 10px 18px;
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--primary);
    background-color: var(--primary-light);
}

.nav-link.active {
    color: var(--primary);
    background-color: var(--primary-light);
    font-weight: 600;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    color: var(--text-main);
    cursor: pointer;
}

/* ==========================================================================
   BUTTONS & ACCENTS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--bg-secondary);
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-main);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

.btn-xs {
    font-size: 13px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}

.badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ==========================================================================
   SECTION FADING & PAGES
   ========================================================================== */
.page-section {
    display: none;
    opacity: 0;
    transform: translateY(15px);
}

.page-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInSlideUp 0.55s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 8px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.section-underline {
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    margin: 12px auto 0;
    border-radius: var(--radius-full);
}

/* ==========================================================================
   SECTION 1: ABOUT (Home Page)
   ========================================================================== */
.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
    padding: 30px 0;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 54px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.15;
    margin-bottom: 8px;
    letter-spacing: -1.5px;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-description {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 600px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.profile-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--border-color);
    padding: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-circle {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px 0 rgba(79, 70, 229, 0.2);
    overflow: hidden;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.profile-status {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.profile-status i {
    color: var(--primary);
}

.profile-card-body {
    width: 100%;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 14px 0;
    border-top: 1px solid var(--border-color);
}

.contact-item i {
    font-size: 18px;
    color: var(--primary);
    width: 24px;
    text-align: center;
}

.contact-item span {
    display: block;
    font-size: 11px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item a {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

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

.about-brief-container {
    margin-top: 80px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

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

.about-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 20px;
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   SECTION 2: EXPERIENCE (Timeline)
   ========================================================================== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

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

.timeline-dot {
    position: absolute;
    left: -32px;
    top: 8px;
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: var(--primary);
    border: 2px solid var(--bg-primary);
    box-shadow: 0 0 0 4px var(--primary-light);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot {
    background-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-light);
}

.timeline-date {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 6px;
}

.timeline-content {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.timeline-job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.job-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
}

.job-company {
    font-size: 15px;
    color: var(--primary);
    font-weight: 600;
}

.location-badge {
    font-size: 12px;
    background-color: var(--bg-tertiary);
    color: var(--text-light);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.job-description {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.job-tasks {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 20px;
}

.job-tasks li {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.job-links {
    display: flex;
    gap: 12px;
}

/* ==========================================================================
   SECTION 3: PROJECTS
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

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

.project-img-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    background: linear-gradient(135deg, var(--primary-light), var(--bg-secondary));
    color: var(--primary);
    text-align: center;
}

.project-fallback i {
    font-size: 40px;
}

.project-fallback span {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    color: var(--text-main);
}

.project-details {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.project-timeline {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
}

.project-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.project-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.project-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex: 1;
}

.project-links-group {
    display: flex;
    gap: 12px;
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    background-color: var(--bg-secondary);
}

.project-link-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.project-link-btn.video-btn {
    background-color: #FEE2E2; /* Light Red */
    color: #DC2626; /* YouTube Red */
    border-color: transparent;
}

.project-link-btn.video-btn:hover {
    background-color: #FCA5A5;
    color: #991B1B;
}

/* ==========================================================================
   SECTION 4: SKILLS & EDUCATION
   ========================================================================== */
.skills-edu-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
}

.sub-section-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sub-section-title i {
    color: var(--primary);
}

.skill-category {
    margin-bottom: 24px;
}

.skill-category:last-child {
    margin-bottom: 0;
}

.skill-category h4 {
    font-size: 14px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.tag-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag-item {
    font-size: 13px;
    font-weight: 500;
    background-color: var(--bg-secondary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

.skill-tag-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.language-scores {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 16px 20px;
}

.lang-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.lang-row:not(:last-child) {
    border-bottom: 1px solid var(--bg-tertiary);
}

.lang-name {
    font-weight: 600;
    font-size: 14px;
}

.lang-level {
    font-size: 13px;
    color: var(--text-muted);
}

/* Education Layout */
.education-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.education-card:last-child {
    margin-bottom: 0;
}

.edu-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 6px;
    flex-wrap: wrap;
    gap: 8px;
}

.edu-degree {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.edu-grade {
    font-size: 11px;
    font-weight: 600;
    background-color: var(--accent-light);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.edu-institute {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 6px;
}

.edu-time {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.edu-time i {
    margin-right: 4px;
}

.edu-details {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.edu-thesis {
    font-size: 13px;
    color: var(--text-muted);
    background-color: var(--bg-primary);
    border-left: 3px solid var(--primary);
    padding: 8px 12px;
    margin-bottom: 16px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.edu-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================================================
   SECTION 5: ACHIEVEMENTS
   ========================================================================== */
.achievements-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: flex-start;
}

.achievements-showcase-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.achievement-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 20px;
    transition: var(--transition-smooth);
}

.achievement-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.achievement-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: var(--accent-light);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.achievement-body {
    flex: 1;
}

.achievement-date {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
    display: block;
    margin-bottom: 4px;
}

.achievement-body h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.achievement-org {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.achievement-text {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.achievement-image-box {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.img-box-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.img-box-title i {
    color: var(--primary);
}

.img-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.achievement-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.achievement-image-box:hover .achievement-img {
    transform: scale(1.03);
}

.img-caption {
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    margin-top: 12px;
}

/* ==========================================================================
   PAGE FOOTER
   ========================================================================== */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 14px;
    color: var(--text-light);
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background-color: var(--bg-primary);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    font-size: 16px;
}

.footer-socials a:hover {
    background-color: var(--primary-light);
    color: var(--primary);
    transform: translateY(-2px);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .profile-card {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    
    .skills-edu-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .achievements-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .achievement-image-box {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 24px;
        flex-direction: column;
        gap: 12px;
        align-items: center;
        box-shadow: var(--shadow-md);
        display: none;
    }
    
    .nav-menu.mobile-open {
        display: flex;
    }
    
    .content-wrapper {
        margin-top: 100px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}