/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-lighter: #9ca3af;
    --color-background: #f9fafb;
    --color-white: #ffffff;
    --color-border: #e5e7eb;
    --color-accent: #dbeafe;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    padding: 2rem 1rem;
}

/* Container */
.container {
    max-width: 850px;
    margin: 0 auto;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 3rem 2.5rem;
}

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

.name {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.title {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.5rem;
    font-size: 0.875rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.9;
}

.icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Main Content */
.main-content {
    padding: 2.5rem;
}

/* Sections */
.section {
    margin-bottom: 2.5rem;
}

.section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 1.25rem;
}

/* Summary */
.summary-text {
    color: var(--color-text);
    line-height: 1.75;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

.skill-category {
    background-color: var(--color-background);
    padding: 1rem;
    border-radius: 8px;
}

.skill-category-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
}

/* Experience */
.experience-item {
    margin-bottom: 1.75rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--color-border);
}

.experience-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.company-name {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-text);
}

.job-title {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.experience-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.125rem;
}

.date {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
}

.location {
    font-size: 0.8125rem;
    color: var(--color-text-lighter);
}

.experience-list {
    list-style: none;
    padding-left: 0;
}

.experience-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.6;
}

.experience-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.625rem;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.experience-list li:last-child {
    margin-bottom: 0;
}

/* Certifications */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0.75rem;
}

.certification-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--color-background);
    border-radius: 6px;
    border-left: 3px solid var(--color-primary);
}

.cert-name {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
}

.cert-year {
    font-size: 0.8125rem;
    color: var(--color-text-lighter);
    font-weight: 500;
}

/* Education */
.education-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.education-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.school-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.degree {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

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

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--color-background);
    border-top: 1px solid var(--color-border);
}

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

/* Responsive */
@media (max-width: 640px) {
    body {
        padding: 1rem 0.5rem;
    }

    .header {
        padding: 2rem 1.5rem;
    }

    .name {
        font-size: 2rem;
    }

    .title {
        font-size: 1.125rem;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .main-content {
        padding: 1.5rem;
    }

    .experience-header {
        flex-direction: column;
    }

    .experience-meta {
        align-items: flex-start;
    }

    .education-item {
        flex-direction: column;
        align-items: flex-start;
    }

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

/* Print Styles */
@media print {
    body {
        background-color: white;
        padding: 0;
    }

    .container {
        box-shadow: none;
        border-radius: 0;
    }

    .header {
        background: var(--color-primary) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .section {
        break-inside: avoid;
    }
}