/* ===================================
   Ivan Roussev - Personal Portfolio
   Authentic Newspaper Style
   =================================== */

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

:root {
    --color-primary: #1a1a1a;
    --color-secondary: #333;
    --color-muted: #555;
    --color-light: #777;
    --color-border: #d4cfc4;
    --color-bg: #f5f2eb;
    --color-bg-alt: #ebe7dc;
    --color-cream: #faf8f3;
    --font-mono: 'IBM Plex Mono', 'Courier New', Courier, monospace;
    --font-serif: 'Courier Prime', 'Courier New', Courier, monospace;
    --max-width: 800px;
}

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

body {
    font-family: var(--font-mono);
    color: var(--color-primary);
    background-color: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Typography - Newspaper Style */
h1, h2, h3, h4 {
    font-family: var(--font-mono);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    color: var(--color-secondary);
    font-size: 0.95rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: opacity 0.15s ease;
}

a:hover {
    opacity: 0.6;
}

/* Layout */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation - Newspaper Header */
.navbar {
    padding: 1.25rem 0;
    border-bottom: 2px solid var(--color-primary);
    background-color: var(--color-bg);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-weight: 700;
    font-size: 1rem;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.85rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
    text-transform: lowercase;
    letter-spacing: 0.02em;
}

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

/* Hero Section - Home */
.hero {
    text-align: center;
    padding: 4rem 0 3rem;
    border-bottom: 1px solid var(--color-border);
}

.hero-photo {
    width: 200px;
    height: 200px;
    border-radius: 0;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 2px solid var(--color-primary);
    filter: grayscale(30%) contrast(1.1);
}

.hero-photo-placeholder {
    width: 140px;
    height: 140px;
    background-color: var(--color-bg-alt);
    border: 2px solid var(--color-primary);
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-light);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-title {
    font-size: 2.25rem;
    margin-bottom: 0.25rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-subtitle {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-bottom: 2rem;
    font-weight: 400;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* Quick Stats */
.quick-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--color-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    max-width: 100px;
}

.stat-divider {
    color: var(--color-border);
    font-size: 1.5rem;
    font-weight: 300;
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-primary);
    background-color: transparent;
    transition: all 0.15s ease;
}

.social-link:hover {
    background-color: var(--color-primary);
}

.social-link:hover svg {
    fill: var(--color-bg);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--color-primary);
    transition: fill 0.15s ease;
}

.social-link img {
    width: 24px;
    height: 24px;
    transition: opacity 0.15s ease;
}

.social-link:hover img {
    opacity: 0.7;
}

/* Email Link */
.email-link {
    display: inline-block;
    color: var(--color-muted);
    font-size: 0.85rem;
    margin-bottom: 2rem;
    font-family: var(--font-mono);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 2px;
}

.email-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    border: none;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-primary);
    opacity: 1;
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    opacity: 1;
}

/* About Page Sections */
.page-header {
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2.5rem;
}

.page-title {
    font-size: 1.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--font-mono);
}

.section {
    margin-bottom: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-border);
}

.section:last-of-type {
    border-bottom: none;
}

.section-title {
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-family: var(--font-mono);
    color: var(--color-muted);
}

/* Bio */
.bio-text {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-secondary);
}

.bio-text em {
    font-style: italic;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 1.5rem;
    margin-left: 0.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 2px;
    background-color: var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.75rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px dashed var(--color-border);
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 1.25rem;
    width: 8px;
    height: 8px;
    background-color: var(--color-border);
    border-radius: 50%;
    transform: translateX(-3px);
}

.timeline-item.current::before {
    background-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-bg), 0 0 0 5px var(--color-primary);
}

.timeline-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.timeline-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border: 1px solid var(--color-border);
    background-color: #fff;
    flex-shrink: 0;
}

.timeline-info {
    flex: 1;
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--color-light);
    margin-bottom: 0.35rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
    display: block;
}

.timeline-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    font-family: var(--font-mono);
}

.timeline-company {
    font-size: 0.9rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
}

/* Skills */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    background-color: transparent;
    border: 1px solid var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Certifications */
.cert-list {
    list-style: none;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    margin-bottom: 0.75rem;
}

.cert-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    flex-shrink: 0;
}

.cert-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cert-icon svg {
    width: 28px;
    height: 28px;
}

.cert-info {
    flex: 1;
}

.cert-name {
    font-weight: 700;
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

.cert-issuer {
    font-size: 0.8rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
}

/* Education */
.education-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px dashed var(--color-border);
}

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

.education-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border: 1px solid var(--color-border);
    background-color: #fff;
    flex-shrink: 0;
}

.education-info {
    flex: 1;
}

.education-degree {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    font-family: var(--font-mono);
}

.education-school {
    color: var(--color-muted);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    font-family: var(--font-mono);
}

.education-date {
    font-size: 0.75rem;
    color: var(--color-light);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Languages */
.languages-list {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.language-item {
    text-align: left;
}

.language-name {
    font-weight: 700;
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

.language-level {
    font-size: 0.8rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
}

/* Footer */
.footer {
    margin-top: 3rem;
    padding: 1.5rem 0;
    border-top: 2px solid var(--color-primary);
    text-align: center;
    background-color: var(--color-bg);
}

.footer-text {
    font-size: 0.75rem;
    color: var(--color-light);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Responsive */
@media (max-width: 640px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 1.25rem;
    }

    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .hero {
        padding: 2.5rem 0 2rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .quick-stats {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        flex: 1 1 30%;
    }

    .skills-grid {
        gap: 0.4rem;
    }

    .skill-tag {
        font-size: 0.7rem;
        padding: 0.35rem 0.6rem;
    }

    .languages-list {
        gap: 2rem;
    }
}