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

:root {
    /* Colors */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --container-width: 1200px;
    --border-radius: 4px;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.125rem;
}

.nav-icon {
    width: 24px;
    height: 24px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-700);
}

.meta-icon {
    width: 20px;
    height: 20px;
}

/* Section Styles */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--color-gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-icon {
    width: 32px;
    height: 32px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    font-weight: 400;
}

/* Content Box */
.content-box {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.lead-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-gray-700);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-200);
    background-color: var(--color-white);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--color-black);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xs);
}

.stat-detail {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* Criteria Grid */
.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.criteria-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.criteria-card:hover {
    border-color: var(--color-black);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.criteria-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-black);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.criteria-icon i {
    width: 24px;
    height: 24px;
}

.criteria-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.criteria-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-gray-200);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-2xl);
}

.timeline-marker {
    position: absolute;
    left: -47px;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.timeline-content {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.timeline-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.timeline-duration,
.timeline-industry {
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    font-weight: 500;
}

.timeline-desc {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.timeline-highlight {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-left: 3px solid var(--color-black);
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-gray-800);
}

.highlight-item i {
    width: 18px;
    height: 18px;
}

.award-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-black);
    color: var(--color-white);
    font-weight: 600;
    margin: var(--spacing-md) 0;
}

.award-badge i {
    width: 20px;
    height: 20px;
}

.timeline-note {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.timeline-tags {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-gray-900);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* Highlight Box */
.highlight-box {
    border-left: 4px solid var(--color-black);
}

.box-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.box-text {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-200);
    font-weight: 500;
    color: var(--color-gray-800);
}

.feature-item i {
    width: 20px;
    height: 20px;
}

/* Partnership Box */
.partnership-box {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

.partnership-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

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

.partnership-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
}

.partnership-item i {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

/* Education Grid */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.education-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.education-card:hover {
    border-color: var(--color-black);
}

.education-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    margin-bottom: var(--spacing-md);
}

.education-icon i {
    width: 24px;
    height: 24px;
}

.education-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.education-institution {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xs);
}

.education-year {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

.cert-list {
    list-style: none;
    padding: 0;
}

.cert-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

.cert-list li::before {
    content: '•';
    margin-right: var(--spacing-sm);
    color: var(--color-black);
    font-weight: 700;
}

/* Achievement List */
.achievement-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.achievement-item {
    display: flex;
    gap: var(--spacing-lg);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.achievement-item:hover {
    border-color: var(--color-black);
}

.achievement-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-black);
    color: var(--color-white);
    flex-shrink: 0;
}

.achievement-icon i {
    width: 28px;
    height: 28px;
}

.achievement-content {
    flex: 1;
}

.achievement-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.achievement-desc {
    color: var(--color-gray-700);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.achievement-year {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

/* Role Grid */
.role-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.role-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.role-card:hover {
    border-color: var(--color-black);
}

.role-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.role-header i {
    width: 24px;
    height: 24px;
}

.role-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-black);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.role-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.role-company {
    font-size: 1rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

.role-period {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* Publication List */
.publication-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.publication-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-left: 3px solid var(--color-black);
    transition: var(--transition);
}

.publication-item:hover {
    background-color: var(--color-gray-50);
}

.publication-date {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-600);
    min-width: 80px;
    flex-shrink: 0;
}

.publication-content {
    flex: 1;
}

.publication-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.publication-source {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Country Grid */
.country-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
}

.country-card {
    text-align: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-200);
    background-color: var(--color-white);
    transition: var(--transition);
}

.country-card:hover {
    border-color: var(--color-black);
}

.country-card i {
    width: 32px;
    height: 32px;
    margin-bottom: var(--spacing-sm);
}

.country-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.country-card p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Approval Grid */
.approval-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.approval-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg);
}

.approval-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.approval-list {
    list-style: none;
    padding: 0;
}

.approval-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-700);
    line-height: 1.6;
}

.approval-list li i {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

/* Contact Box */
.contact-box {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

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

.contact-item i {
    width: 24px;
    height: 24px;
    margin-top: 2px;
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
}

.contact-value {
    font-size: 1rem;
    color: var(--color-gray-900);
    font-weight: 500;
}

/* Footer */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-text {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

/* Print Styles */
@media print {
    @page {
        margin: 0.5in;
        size: letter;
        @top-center {
            content: "Aniket Mohan Tapre - O-1 Visa Profile";
        }
        @bottom-center {
            content: "Created by Helium AI";
        }
    }

    body {
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }

    .nav {
        display: none;
    }

    .section {
        page-break-inside: avoid;
        padding: var(--spacing-lg) 0;
    }

    .timeline-item,
    .criteria-card,
    .stat-card,
    .achievement-item {
        page-break-inside: avoid;
    }

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .criteria-grid,
    .education-grid,
    .role-grid,
    .approval-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline-marker {
        left: -39px;
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .hero-meta {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .timeline-highlight {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .publication-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .publication-date {
        min-width: auto;
    }
}