/* ===== CSS Variables ===== */
:root {
    --primary-color: #4A90E2;        /* Light blue */
    --accent-color: #7BB3F0;         /* Lighter blue accent */
    --text-primary: #2C3E50;         /* Dark grey for text */
    --text-secondary: #5D6D7E;       /* Medium grey for secondary text */
    --text-light: #85929E;           /* Light grey for subtle text */
    --background-white: #FFFFFF;     /* Pure white */
    --background-light: #F8FAFC;     /* Very light grey background */
    --background-card: #FFFFFF;      /* Card background */
    --border-light: #E5E8EB;         /* Light border */
    --shadow-light: 0 2px 10px rgba(74, 144, 226, 0.1);
    --shadow-medium: 0 4px 20px rgba(74, 144, 226, 0.15);
    --gradient-primary: linear-gradient(135deg, #4A90E2 0%, #7BB3F0 100%);
    --border-radius: 8px;
    --border-radius-large: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

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

/* ===== Layout Components ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: white;
}

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

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

/* ===== Hero Section ===== */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #F8FAFC 0%, #E8F4FD 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.hero-cta {
    margin-top: 2rem;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1s ease 0.3s both;
}

.ai-icon {
    width: 300px;
    height: 300px;
    animation: float 3s ease-in-out infinite;
}

.ai-icon svg {
    width: 100%;
    height: 100%;
}

/* ===== Highlight Section ===== */
.highlight {
    padding: 4rem 0;
    background: var(--background-white);
}

.highlight-card {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 3rem;
    box-shadow: var(--shadow-light);
    text-align: center;
    border: 1px solid var(--border-light);
}

.highlight-card h2 {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.highlight-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.highlight-card p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* ===== Cards ===== */
.card {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== Footer ===== */
.footer {
    background: var(--text-primary);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animation classes for JavaScript */
.animate-in {
    animation: slideInUp 0.6s ease forwards;
}

.animate-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

.animate-in-right {
    animation: slideInRight 0.6s ease forwards;
}

/* Image loading animation */
img {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.loaded {
    opacity: 1;
}

/* ===== About Page Styles ===== */
.about-hero {
    background: var(--background-white);
    padding: 8rem 0 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.about-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    padding: 4rem 0;
    background: var(--background-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-story {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-card {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 2.5rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

.quote {
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 100%);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.interest-item {
    text-align: center;
    padding: 1.5rem;
}

.interest-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.interest-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.interest-item p {
    font-size: 0.95rem;
    line-height: 1.5;
}

.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.profile-section {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

.profile-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 100%);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--primary-color);
}

.profile-placeholder svg {
    width: 60px;
    height: 60px;
}

.profile-section h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.profile-section p {
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.quick-facts {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

.quick-facts h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.quick-facts ul {
    list-style: none;
}

.quick-facts li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.quick-facts li:last-child {
    border-bottom: none;
}

.community-impact {
    background: var(--background-white);
}

.impact-content h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.impact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.impact-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.impact-visual {
    display: flex;
    justify-content: center;
}

.community-icon {
    width: 200px;
    height: 200px;
    animation: float 4s ease-in-out infinite;
}

.community-icon svg {
    width: 100%;
    height: 100%;
}

.goals-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #4A90E2 0%, #7BB3F0 100%);
    color: white;
}

.goals-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.goals-card h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: white;
}

.goals-description {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
}

/* ===== Projects Page Styles ===== */
.projects-hero {
    background: var(--background-white);
    padding: 8rem 0 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.projects-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.projects-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.featured-project {
    padding: 5rem 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E8F4FD 100%);
}

.featured-header {
    text-align: center;
    margin-bottom: 3rem;
}

.featured-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.featured-header h2 {
    font-size: 2.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.featured-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.featured-description {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.featured-highlights {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.highlight-icon {
    font-size: 1.5rem;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
}

.highlight-item h4 {
    margin-bottom: 0.25rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.highlight-item p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.companion-demo {
    width: 300px;
    height: 400px;
    animation: float 4s ease-in-out infinite;
}

.companion-demo svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 10px 30px rgba(74, 144, 226, 0.2));
}

.other-projects {
    background: var(--background-light);
}

.other-projects h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-description {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 2.5rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.project-card.coming-soon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
}

.project-card.placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #85929E, #5D6D7E);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 100%);
    border-radius: 12px;
}

.coming-soon-badge,
.placeholder-badge {
    background: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.placeholder-badge {
    background: var(--text-light);
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-features ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.project-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.project-status {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.project-status span {
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 100%);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.project-cta {
    margin-top: 1.5rem;
}

.projects-cta {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.projects-cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
}

/* ===== Project Detail Page Styles ===== */
.project-hero {
    background: linear-gradient(135deg, #F8FAFC 0%, #E8F4FD 100%);
    padding: 8rem 0 4rem;
}

.breadcrumb {
    margin-bottom: 2rem;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.project-hero-content {
    max-width: 800px;
}

.project-tag {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.project-hero h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.project-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.project-overview {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 700px;
}

.project-section {
    padding: 4rem 0;
}

.project-section:nth-child(even) {
    background: var(--background-white);
}

.project-section:nth-child(odd) {
    background: var(--background-light);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.section-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.7;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.concept-list {
    list-style: none;
    margin-top: 1.5rem;
}

.concept-list li {
    padding: 0.75rem 0;
    border-left: 3px solid var(--primary-color);
    padding-left: 1rem;
    margin-bottom: 0.5rem;
    background: rgba(74, 144, 226, 0.05);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.concept-diagram,
.tech-diagram {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

.concept-diagram svg,
.tech-diagram svg {
    width: 100%;
    height: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 2.5rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.tech-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.tech-item h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.tech-item p {
    line-height: 1.6;
    color: var(--text-secondary);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.impact-card {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.impact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.impact-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.impact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.impact-description {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 3rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    margin-top: 2rem;
}

.impact-description h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.project-cta {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.project-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.project-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.project-cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
}

.project-cta .btn-outline {
    border-color: white;
    color: white;
}

.project-cta .btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

/* ===== Contact Page Styles ===== */
.contact-hero {
    background: var(--background-white);
    padding: 8rem 0 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.contact-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.contact-form-section {
    padding: 5rem 0;
    background: var(--background-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.form-container {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 3rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

.form-header {
    margin-bottom: 2.5rem;
}

.form-header h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.form-header p {
    line-height: 1.6;
    color: var(--text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    background: #E8F5E8;
    color: #2D5A2D;
    border: 1px solid #A5D6A5;
    display: block;
}

.form-status.error {
    background: #FFF2F2;
    color: #D63031;
    border: 1px solid #FFAAAA;
    display: block;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-card {
    background: var(--background-card);
    border-radius: var(--border-radius-large);
    padding: 2.5rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

.info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.interest-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info .interest-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-info .interest-icon {
    font-size: 1.2rem;
    min-width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 100%);
    border-radius: 8px;
}

.contact-info .interest-item h4 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.contact-info .interest-item p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.quick-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.info-item span:last-child {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.social-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: linear-gradient(135deg, #F8FAFC 0%, #F0F7FF 100%);
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.social-link:hover {
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 100%);
    transform: translateX(5px);
    color: var(--primary-color);
}

.social-icon {
    font-size: 1.1rem;
}

.contact-cta {
    background: linear-gradient(135deg, #4A90E2 0%, #7BB3F0 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.contact-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.contact-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-cta .btn-outline {
    border-color: white;
    color: white;
}

.contact-cta .btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-links span {
    color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: 2rem;
    }
    
    .ai-icon {
        width: 200px;
        height: 200px;
    }
}

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .impact-visual {
        order: -1;
        margin-bottom: 2rem;
    }
    
    .community-icon {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .highlight-card {
        padding: 2rem;
    }
    
    .about-header h1 {
        font-size: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
    }
    
    .about-card {
        padding: 1.5rem;
    }
    
    .goals-card {
        padding: 0 1rem;
    }
    
    .goals-card h2 {
        font-size: 2rem;
    }
    
    .featured-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .featured-visual {
        order: -1;
        margin-bottom: 2rem;
    }
    
    .companion-demo {
        width: 250px;
        height: 300px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-header h1 {
        font-size: 2.5rem;
    }
    
    .featured-header h2 {
        font-size: 2rem;
    }
    
    .section-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .project-hero h1 {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-header h1 {
        font-size: 2.5rem;
    }
    
    .form-container {
        padding: 2rem;
    }
    
    .info-card {
        padding: 2rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }
    
    .highlight-card h3 {
        font-size: 1.5rem;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}