/* Custom Properties */
:root {
    --bg-color: #f6f5f1;
    --bg-alt: #f0efeb;
    --text-color: #0a0a0a;
    --text-muted: #5a5a5a;
    --accent-color: #3F51B5;
    --accent-hover: #3344A0;
    --accent-subtle: rgba(63, 81, 181, 0.10);
    --border-color: #ddd9d3;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 7rem;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Reset and Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
p { margin-bottom: 1rem; }
a { color: inherit; text-decoration: none; }

/* Typography */
.headline {
    font-size: clamp(3.5rem, 8vw, 7.5rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.04em;
    margin-bottom: calc(var(--space-xl) * 1.5);
    max-width: 900px;
    will-change: transform;
    transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), letter-spacing 0.4s ease;
}
.headline:hover {
    letter-spacing: -0.035em;
}
.headline-medium {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}
.section-title {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
    color: var(--text-color); /* Increased contrast */
    margin-bottom: var(--space-md);
    opacity: 0.8;
    scroll-margin-top: 4rem; /* Ensures headers don't hit the top of the viewport */
}
.mb-large { margin-bottom: var(--space-lg); }
.mb-medium { margin-bottom: var(--space-md); }
.mt-medium { margin-top: var(--space-md); }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 var(--space-sm); }
.section { padding: var(--space-xl) 0; }
.layout-split { display: flex; gap: var(--space-xl); }
.split-left { flex: 1; }
.split-right { flex: 2; }
@media (max-width: 900px) {
    .layout-split { flex-direction: column; gap: var(--space-lg); }
}

/* Base text */
.text-block-large {
    max-width: 500px; /* Refined width */
}
.text-block-large p {
    font-size: 1.125rem; /* Following paragraphs smaller */
    font-weight: 400;
    line-height: 1.7; /* Increased line-height */
    color: #666; /* Secondary paragraph color */
    margin-bottom: 1.75rem; /* ~28px vertical rhythm */
}
.text-block-large p:first-child {
    font-size: clamp(1.35rem, 2.2vw, 1.65rem);
    font-weight: 600; /* Semi-bold */
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: var(--text-color); /* Dominant */
    margin-bottom: 2rem;
}
.text-block-large p:last-child {
    font-weight: 500;
    color: #888; /* Conclusion visually lighter */
    margin-bottom: 0;
}
.text-block-regular p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

/* Subtle keyword hover */
.text-keyword {
    transition: color 0.25s ease;
    cursor: default;
}
.text-keyword:hover {
    color: var(--accent-color);
}

/* Hero */
.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--space-md);
    position: relative;
    background: radial-gradient(ellipse 70% 55% at 75% 45%, rgba(63, 81, 181, 0.04) 0%, transparent 65%),
                radial-gradient(ellipse 80% 60% at 20% 40%, rgba(63, 81, 181, 0.02) 0%, transparent 70%),
                var(--bg-color);
}
.hero-separator {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(44, 62, 80, 0.15), transparent);
    margin: 0;
    border: none;
}

/* Credibility Strip */
.credibility-strip {
    padding: calc(var(--space-lg) * 1.25) 0;
    text-align: center;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.credibility-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 600;
    color: #999;
    margin-bottom: 1.25rem;
}
.credibility-names {
    font-size: 0.9375rem;
    letter-spacing: 0.06em;
    font-weight: 500;
    color: #777;
    line-height: 1.8;
    margin-bottom: 0;
}
.hero-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-xl); border-bottom: 3px solid var(--text-color); padding-bottom: var(--space-sm); }
.header-right { display: flex; align-items: center; gap: 1.5rem; }
.lang-switcher { font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.05em; color: var(--text-muted); }
.lang-switcher a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
.lang-switcher a:hover { color: var(--accent-color); }
.lang-switcher a.active { color: var(--text-color); }
.lang-switcher .separator { margin: 0 0.25rem; opacity: 0.5; }
.header-link { font-size: 0.8125rem; font-weight: 500; color: var(--text-muted); text-decoration: none; transition: color 0.2s ease; letter-spacing: 0.02em; }
.header-link:hover { color: var(--accent-color); }
.hero-header .name { font-weight: 800; font-size: 1.5rem; letter-spacing: -0.02em; text-transform: uppercase; }
.hero-header .role-badge { font-size: 0.875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; background: var(--accent-color); color: #f6f5f1; padding: 0.35rem 1rem; border-radius: 100px; }
.hero-footer { display: flex; justify-content: space-between; align-items: flex-end; margin-top: var(--space-lg); }
.hero-desc p { max-width: 500px; font-size: 1.125rem; font-weight: 500; color: #444; line-height: 1.7; margin-bottom: 0.75rem; }
.hero-desc p:last-child { margin-bottom: 0; }
.hero-actions { display: flex; gap: 1rem; }
@media (max-width: 900px) {
    .hero-footer { flex-direction: column; align-items: flex-start; gap: var(--space-lg); }
}

/* Section Tonal Variation */
.about { background-color: var(--bg-color); }
.career { background-color: var(--bg-alt); }
.skills-section { background-color: var(--bg-color); }
.contact { background-color: var(--bg-alt); }

/* Career Timeline */
.career-timeline { display: flex; flex-direction: column; border-top: 2px solid var(--text-color); }

@media (hover: hover) {
    /* Subtle fade on sibling elements for a premium editorial feel */
    .career-timeline:hover .career-block:not(:hover) { opacity: 0.2; }
    .career-block { transition: opacity 0.15s ease-out; }
}

.career-block { display: flex; flex-direction: column; gap: var(--space-md); padding: calc(var(--space-xl) * 1.25) 0; border-bottom: 1px solid var(--border-color); }
.education-block { border-bottom: none; }
.career-meta { display: flex; flex-direction: column; }
.career-year { font-size: 0.8rem; font-weight: 600; color: #888; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 0.15rem; }
.career-topic { font-size: 2.5rem; font-weight: 800; line-height: 1.1; letter-spacing: -0.04em; margin-bottom: 0.25rem; color: var(--text-color); }
.career-sublabel { font-size: 1.125rem; font-weight: 600; color: var(--text-color); margin-bottom: var(--space-sm); letter-spacing: -0.01em; }
.career-content { max-width: 800px; }
.career-focus { font-size: 1.25rem; font-weight: 500; line-height: 1.6; color: var(--text-muted); margin-bottom: var(--space-md); }
.career-role { margin-top: var(--space-md); }
.role-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 1rem; letter-spacing: -0.01em; }
.role-title-small { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.75rem; letter-spacing: -0.01em; }
.role-list { list-style: none; margin-left: 0; }
.role-list li { position: relative; padding-left: 1.25rem; margin-bottom: 0.5rem; color: var(--text-muted); font-size: 1.05rem; }
.role-list li::before { content: "—"; position: absolute; left: 0; color: var(--accent-color); font-weight: bold; }

/* Skills Grid Bottom Section */
.skills-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-xl); border-top: 1px solid var(--border-color); padding-top: var(--space-xl); }
.skills-grid .section-title { 
    font-size: 0.8125rem; 
    text-transform: uppercase; 
    letter-spacing: 0.12em; 
    font-weight: 700; 
    color: var(--text-color); 
    margin-bottom: 2rem; 
    opacity: 0.8;
}
.clean-bullet-list { list-style: none; }
.clean-bullet-list li { position: relative; padding-left: 1.25rem; margin-bottom: 1rem; font-size: 1.15rem; font-weight: 600; color: var(--text-color); line-height: 1.4; }
.clean-bullet-list li::before { content: "•"; position: absolute; left: 0; color: var(--accent-color); font-weight: bold; font-size: 1.25rem; line-height: 1; }
.exp-item { margin-bottom: 2.25rem; }
.exp-item .role-title-small { 
    color: #111; 
    font-weight: 700; 
    margin-bottom: 0.25rem; 
}
.role-description { 
    font-size: 1.05rem; 
    color: #666; 
    line-height: 1.6; 
}
.skills-grid .role-list li { color: var(--text-color); font-weight: 500; }

@media (max-width: 900px) {
    .skills-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; font-weight: 600; border-radius: 2px; transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); font-size: 0.95rem; letter-spacing: 0.02em; }
.btn-primary { background: var(--accent-color); color: #f6f5f1; border: 2px solid var(--accent-color); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(63, 81, 181, 0.20); }
.btn-secondary { background: transparent; color: var(--text-color); border: 2px solid var(--border-color); }
.btn-secondary:hover { border-color: var(--accent-color); color: var(--accent-color); transform: translateY(-1px); }

/* Animation & Interaction Classes */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Contact Section */
.contact { padding: var(--space-lg) 0 calc(var(--space-xl) * 2) 0; border-top: 1px solid var(--border-color); }
.text-center { text-align: center; }
.contact-links { display: flex; justify-content: center; margin-top: var(--space-lg); }

/* Print Styles */
.print-only { display: none; }
@media print {
    :root { --bg-color: #ffffff; --space-xl: 3rem; --space-lg: 2rem; }
    body { font-size: 10pt; background: #fff; color: #000; }
    * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
    .print-hide { display: none !important; }
    .print-only { display: block !important; margin-top: 2rem; font-weight: 700; font-size: 1.1rem; }
    .section { padding: 2rem 0; page-break-inside: auto; }
    .career-block { page-break-inside: avoid; }
    .skills-grid { page-break-inside: avoid; border-top: 2px solid #000; }
    .contact { border-top: 2px solid #000; page-break-inside: avoid; }
    .hero { min-height: auto; padding-top: 1rem; }
    .hero-header { border-bottom-width: 2px; margin-bottom: 2rem; }
    .container { max-width: 100%; padding: 0; }
    .headline { font-size: 36pt; margin-bottom: 1.5rem; }
    .career-role { border: 1px solid #ccc; }
    .career-timeline { border-top-width: 2px; }
    .page-break-avoid { page-break-inside: avoid; }
}