/* Base Styles */
:root {
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-100: #dbeafe;
    --blue-900: #1e3a8a;
    --blue-400: #60a5fa;
    --blue-50: #eff6ff;
    --indigo-100: #e0e7ff;
    --green-100: #d1fae5;
    --green-600: #059669;
    --green-400: #34d399;
    --green-900: #064e3b;
    --purple-100: #ede9fe;
    --purple-600: #7c3aed;
    --purple-400: #a78bfa;
    --purple-900: #4c1d95;
    --yellow-100: #fef3c7;
    --yellow-600: #d97706;
    --yellow-400: #fbbf24;
    --yellow-900: #78350f;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gray-950: #030712;
    --white: #ffffff;
    --black: #000000;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    overflow-x: hidden;
}

body.light-mode {
    background-color: var(--white);
    color: var(--gray-700);
}

body.dark-mode {
    background-color: var(--gray-950);
    color: var(--gray-300);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

.dark-mode .nav {
    background-color: rgba(17, 24, 39, 0.8);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-icon {
    height: 2.5rem;
    width: 2.5rem;
    border-radius: 0.5rem;
    background-color: var(--blue-600);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
    font-size: 1.25rem;
}

.logo-text {
    margin-left: 0.75rem;
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--gray-900);
}

.dark-mode .logo-text {
    color: var(--white);
}

.desktop-menu {
    display: none;
}

@media (min-width: 768px) {
    .desktop-menu {
        display: flex;
        align-items: center;
        gap: 2rem;
    }
    
    .mobile-menu-button {
        display: none;
    }
}

.nav-link {
    color: var(--gray-700);
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--blue-600);
}

.dark-mode .nav-link {
    color: var(--gray-300);
}

.dark-mode .nav-link:hover {
    color: var(--white);
}

.nav-button {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background-color: var(--blue-600);
    color: var(--white);
    transition: background-color 0.3s;
}

.nav-button:hover {
    background-color: var(--blue-700);
}

.mobile-menu-button button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-700);
}

.dark-mode .mobile-menu-button button {
    color: var(--gray-300);
}

.hamburger {
    width: 1.5rem;
    height: 1.5rem;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 1rem 0;
    gap: 1rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu .nav-link {
    padding: 0.5rem 0;
}

.mobile-menu .nav-button {
    display: inline-block;
    text-align: center;
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 5rem;
    padding-bottom: 8rem;
}

@media (min-width: 768px) {
    .hero {
        padding-top: 8rem;
        padding-bottom: 10rem;
    }
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, var(--blue-50), var(--indigo-100));
    height: 500px;
    z-index: -1;
}

@media (min-width: 768px) {
    .hero-background {
        height: 600px;
    }
}

.dark-mode .hero-background {
    background: linear-gradient(to bottom right, var(--gray-900), var(--blue-950));
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-content {
        flex-direction: row;
    }
}

.hero-text {
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .hero-text {
        width: 50%;
        margin-bottom: 0;
        padding-right: 3rem;
    }
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.dark-mode .hero-title {
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--blue-600);
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.5rem;
    }
}

.dark-mode .hero-subtitle {
    color: var(--blue-400);
}

.hero-keywords {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: 2rem;
}

.dark-mode .hero-keywords {
    color: var(--gray-300);
}

.dot {
    height: 0.25rem;
    width: 0.25rem;
    border-radius: 50%;
    background-color: var(--blue-600);
}

.hero-description {
    color: var(--gray-700);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.dark-mode .hero-description {
    color: var(--gray-300);
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.primary-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--blue-600);
    color: var(--white);
    border-radius: 0.5rem;
    font-weight: 500;
    text-align: center;
    transition: background-color 0.3s;
}

.primary-button:hover {
    background-color: var(--blue-700);
}

.secondary-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-weight: 500;
    text-align: center;
    transition: background-color 0.3s;
}

.secondary-button:hover {
    background-color: var(--gray-50);
}

.dark-mode .secondary-button {
    border-color: var(--gray-700);
}

.dark-mode .secondary-button:hover {
    background-color: var(--gray-800);
}

.hero-image {
    display: flex;
    justify-content: center;
}

@media (min-width: 768px) {
    .hero-image {
        width: 50%;
    }
}

.profile-container {
    position: relative;
}

.profile-image {
    height: 18rem;
    width: 18rem;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

@media (min-width: 768px) {
    .profile-image {
        height: 20rem;
        width: 20rem;
    }
}

@media (min-width: 1024px) {
    .profile-image {
        height: 24rem;
        width: 24rem;
    }
}

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

.decorative-box {
    position: absolute;
    z-index: -1;
}

.decorative-box.blue {
    height: 6rem;
    width: 6rem;
    border-radius: 0.75rem;
    background-color: var(--blue-600);
    right: -1rem;
    bottom: -1rem;
}

.decorative-box.indigo {
    height: 4rem;
    width: 4rem;
    border-radius: 0.5rem;
    background-color: var(--purple-600);
    left: -1rem;
    top: -1rem;
}

/* About Section */
.about {
    padding: 5rem 0;
    background-color: var(--gray-50);
}

.dark-mode .about {
    background-color: var(--gray-900);
}

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 1.875rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.dark-mode .section-header h2 {
    color: var(--white);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-700);
}

.dark-mode .section-header p {
    color: var(--gray-300);
}

.section-header.light h2,
.section-header.light p {
    color: var(--white);
}

.expertise-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .expertise-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.expertise-card {
    background-color: var(--white);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s;
}

.expertise-card:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dark-mode .expertise-card {
    background-color: var(--gray-800);
}

.icon-box {
    height: 3.5rem;
    width: 3.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-box.blue {
    background-color: var(--blue-100);
}

.dark-mode .icon-box.blue {
    background-color: var(--blue-900);
}

.icon-box.blue i {
    color: var(--blue-600);
}

.dark-mode .icon-box.blue i {
    color: var(--blue-400);
}

.icon-box.green {
    background-color: var(--green-100);
}

.dark-mode .icon-box.green {
    background-color: var(--green-900);
}

.icon-box.green i {
    color: var(--green-600);
}

.dark-mode .icon-box.green i {
    color: var(--green-400);
}

.icon-box.purple {
    background-color: var(--purple-100);
}

.dark-mode .icon-box.purple {
    background-color: var(--purple-900);
}

.icon-box.purple i {
    color: var(--purple-600);
}

.dark-mode .icon-box.purple i {
    color: var(--purple-400);
}

.icon-box i {
    font-size: 1.75rem;
}

.expertise-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.dark-mode .expertise-card h3 {
    color: var(--white);
}

.expertise-card p {
    color: var(--gray-700);
}

.dark-mode .expertise-card p {
    color: var(--gray-300);
}

.skills-section {
    margin-top: 5rem;
}

.skills-section h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 2rem;
    text-align: center;
}

.dark-mode .skills-section h3 {
    color: var(--white);
}

.skill-tags {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .skill-tags {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .skill-tags {
        grid-template-columns: repeat(4, 1fr);
    }
}

.skill-tag {
    background-color: var(--white);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    text-align: center;
    font-weight: 500;
    color: var(--gray-900);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dark-mode .skill-tag {
    background-color: var(--gray-800);
    color: var(--white);
}

/* Experience Section */
.experience {
    padding: 5rem 0;
}

.timeline {
    position: relative;
    border-left: 2px solid var(--gray-200);
    margin-left: 0.75rem;
    padding-left: 1.5rem;
}

@media (min-width: 768px) {
    .timeline {
        margin-left: 1.5rem;
        padding-left: 2rem;
    }
}

.dark-mode .timeline {
    border-left-color: var(--gray-800);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: -1.5rem;
    top: 0;
    height: 1.5rem;
    width: 1.5rem;
    border-radius: 50%;
    background-color: var(--blue-600);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .timeline-dot {
        left: -2.5rem;
    }
}

.timeline-header {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .timeline-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.timeline-header h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
}

.dark-mode .timeline-header h3 {
    color: var(--white);
}

.timeline-meta {
    display: flex;
    align-items: center;
    margin-top: 0.25rem;
}

@media (min-width: 768px) {
    .timeline-meta {
        margin-top: 0;
    }
}

.company {
    color: var(--blue-600);
    font-weight: 500;
}

.dark-mode .company {
    color: var(--blue-400);
}

.separator {
    margin: 0 0.5rem;
    color: var(--gray-400);
}

.years {
    color: var(--gray-600);
}

.dark-mode .years {
    color: var(--gray-400);
}

.timeline-content p {
    color: var(--gray-700);
}

.dark-mode .timeline-content p {
    color: var(--gray-300);
}

.view-more {
    text-align: center;
}

.view-more-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--blue-600);
    font-weight: 500;
    cursor: pointer;
    margin: 0 auto;
}

.view-more-button:hover {
    text-decoration: underline;
}

.dark-mode .view-more-button {
    color: var(--blue-400);
}

.view-more-button i {
    margin-left: 0.25rem;
    font-size: 0.875rem;
}

/* Services Section */
.services {
    padding: 5rem 0;
    background-color: var(--blue-600);
    color: var(--white);
}

.service-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .service-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .service-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: background-color 0.3s;
}

.service-card:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.service-icon {
    height: 3.5rem;
    width: 3.5rem;
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--white);
}

.service-card p {
    color: var(--blue-100);
    margin-bottom: 1.5rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--white);
    font-weight: 500;
}

.service-link:hover {
    text-decoration: underline;
}

.service-link i {
    margin-left: 0.5rem;
    font-size: 0.875rem;
}

/* Education Section */
.education {
    padding: 5rem 0;
    background-color: var(--gray-50);
}

.dark-mode .education {
    background-color: var(--gray-900);
}

.education-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .education-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

.education-column h3,
.certifications-column h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.dark-mode .education-column h3,
.dark-mode .certifications-column h3 {
    color: var(--white);
}

.education-card {
    background-color: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dark-mode .education-card {
    background-color: var(--gray-800);
}

.education-card h4 {
    font-size: 1.125rem;
    color: var(--gray-900);
}

.dark-mode .education-card h4 {
    color: var(--white);
}

.degree {
    color: var(--blue-600);
    margin-bottom: 0.5rem;
}

.dark-mode .degree {
    color: var(--blue-400);
}

.years {
    color: var(--gray-600);
}

.dark-mode .years {
    color: var(--gray-400);
}

.certification-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.certification-card {
    background-color: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dark-mode .certification-card {
    background-color: var(--gray-800);
}

.cert-icon {
    height: 3rem;
    width: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.cert-icon.blue {
    background-color: var(--blue-100);
}

.dark-mode .cert-icon.blue {
    background-color: var(--blue-900);
}

.cert-icon.blue i {
    color: var(--blue-600);
}

.dark-mode .cert-icon.blue i {
    color: var(--blue-400);
}

.cert-icon.green {
    background-color: var(--green-100);
}

.dark-mode .cert-icon.green {
    background-color: var(--green-900);
}

.cert-icon.green i {
    color: var(--green-600);
}

.dark-mode .cert-icon.green i {
    color: var(--green-400);
}

.cert-icon.purple {
    background-color: var(--purple-100);
}

.dark-mode .cert-icon.purple {
    background-color: var(--purple-900);
}

.cert-icon.purple i {
    color: var(--purple-600);
}

.dark-mode .cert-icon.purple i {
    color: var(--purple-400);
}

.cert-icon.yellow {
    background-color: var(--yellow-100);
}

.dark-mode .cert-icon.yellow {
    background-color: var(--yellow-900);
}

.cert-icon.yellow i {
    color: var(--yellow-600);
}

.dark-mode .cert-icon.yellow i {
    color: var(--yellow-400);
}

.cert-icon i {
    font-size: 1.5rem;
}

.cert-content h4 {
    font-size: 1.125rem;
    color: var(--gray-900);
}

.dark-mode .cert-content h4 {
    color: var(--white);
}

.cert-content p {
    color: var(--gray-600);
}

.dark-mode .cert-content p {
    color: var(--gray-400);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
}

.contact-container {
    display: flex;
    flex-direction: column;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

@media (min-width: 1024px) {
    .contact-container {
        flex-direction: row;
    }
}

.contact-info {
    padding: 2rem;
    background-color: var(--blue-600);
    color: var(--white);
}

@media (min-width: 1024px) {
    .contact-info {
        width: 40%;
        padding: 3rem;
    }
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-details {
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
}

.contact-icon {
    height: 2.5rem;
    width: 2.5rem;
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.25rem;
    color: var(--white);
}

.contact-label {
    font-size: 0.875rem;
    color: var(--blue-100);
    margin-bottom: 0.25rem;
}

.contact-value {
    color: var(--white);
}

.contact-value:hover {
    text-decoration: underline;
}

.social-links {
    margin-top: 3rem;
}

.social-label {
    font-size: 0.875rem;
    color: var(--blue-100);
    margin-bottom: 1rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    height: 2.5rem;
    width: 2.5rem;
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.social-icon:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.social-icon i {
    font-size: 1.25rem;
    color: var(--white);
}

.contact-form {
    padding: 2rem;
    background-color: var(--white);
}

.dark-mode .contact-form {
    background-color: var(--gray-800);
}

@media (min-width: 1024px) {
    .contact-form {
        width: 60%;
        padding: 3rem;
    }
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.dark-mode .form-group label {
    color: var(--gray-300);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    background-color: var(--white);
    color: var(--gray-900);
    outline: none;
    transition: all 0.3s;
}

.dark-mode .form-group input,
.dark-mode .form-group textarea {
    border-color: var(--gray-700);
    background-color: var(--gray-700);
    color: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.submit-button {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background-color: var(--blue-600);
    color: var(--white);
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: var(--blue-700);
}

/* Footer */
.footer {
    padding: 2.5rem 0;
    background-color: var(--gray-100);
}

.dark-mode .footer {
    background-color: var(--gray-900);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .footer-logo {
        margin-bottom: 0;
    }
}

.footer-logo-icon {
    height: 2rem;
    width: 2rem;
    border-radius: 0.5rem;
    background-color: var(--blue-600);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
    font-size: 1rem;
}

.footer-copyright {
    margin-left: 0.5rem;
    color: var(--gray-700);
}

.dark-mode .footer-copyright {
    color: var(--gray-300);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    color: var(--gray-600);
    transition: color 0.3s;
}

.footer-social-link:hover {
    color: var(--blue-600);
}

.dark-mode .footer-social-link {
    color: var(--gray-400);
}

.dark-mode .footer-social-link:hover {
    color: var(--white);
}

.dark-mode-toggle {
    text-align: center;
}

.dark-mode-toggle button {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    transition: color 0.3s;
}

.dark-mode-toggle button:hover {
    color: var(--blue-600);
}

.dark-mode .dark-mode-toggle button {
    color: var(--gray-400);
}

.dark-mode .dark-mode-toggle button:hover {
    color: var(--white);
}

.dark-mode-toggle button i {
    margin-right: 0.5rem;
}