/* ============================================================
   DESIGN SYSTEM: NEO-BRUTALISM
   ============================================================ */

/* Color Palette */
:root {
    --color-bg: #F5F5F0;
    --color-text-primary: #000000;
    --color-text-secondary: #333333;
    --color-border: #000000;
    --color-accent: #FFD60A;
    --color-shadow: #000000;
    
    /* Typography */
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Borders */
    --border-width: 2px;
    --border-radius: 0px;
    
    /* Shadows */
    --shadow-offset: 4px;
}

/* ============================================================
   RESET & BASE STYLES
   ============================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    letter-spacing: -0.3px;
}

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

ul {
    list-style: none;
}

/* ============================================================
   CONTAINER & GRID
   ============================================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.navbar {
    position: sticky;
    top: 0;
    background-color: var(--color-bg);
    border-bottom: var(--border-width) solid var(--color-border);
    z-index: 1000;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-sm) 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover {
    border-bottom-color: var(--color-text-primary);
}

.nav-link.active {
    border-bottom-color: var(--color-text-primary);
    font-weight: 700;
}

/* ============================================================
   SECTIONS
   ============================================================ */

.section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-2xl);
    border-bottom: var(--border-width) solid var(--color-border);
    padding-bottom: var(--spacing-lg);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    padding: var(--spacing-3xl) 0;
}

.hero-content {
    max-width: 700px;
}

.hero-name {
    font-family: var(--font-mono);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.hero-tag {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-secondary);
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-secondary);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* ============================================================
   BUTTONS (NEO-BRUTALISM)
   ============================================================ */

.button {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border: var(--border-width) solid var(--color-border);
    background-color: transparent;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--color-shadow);
    position: relative;
    display: inline-block;
}

.button:hover {
    box-shadow: none;
    transform: translate(var(--shadow-offset), var(--shadow-offset));
}

.button:active {
    box-shadow: none;
    transform: translate(calc(var(--shadow-offset) * 2), calc(var(--shadow-offset) * 2));
}

.button-primary {
    background-color: var(--color-accent);
}

.button-secondary {
    background-color: var(--color-bg);
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

.about-description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    color: var(--color-text-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

.skill-tag {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    transition: all 0.15s ease;
    background-color: transparent;
    cursor: default;
}

.skill-tag:nth-child(1),
.skill-tag:nth-child(2) {
    background-color: var(--color-accent);
}

/* ============================================================
   EXPERIENCE SECTION
   ============================================================ */

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.experience-card {
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-2xl);
    background-color: var(--color-bg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--color-shadow);
    transition: all 0.15s ease;
}

.experience-card:hover {
    box-shadow: none;
    transform: translate(var(--shadow-offset), var(--shadow-offset));
}

.card-header {
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.card-company {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.card-period {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
}

.card-highlights {
    list-style: disc;
    list-style-position: inside;
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.card-highlights li {
    margin-bottom: var(--spacing-sm);
}

.card-highlights li:last-child {
    margin-bottom: 0;
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.project-card {
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-2xl);
    background-color: var(--color-bg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--color-shadow);
    transition: all 0.15s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    box-shadow: none;
    transform: translate(var(--shadow-offset), var(--shadow-offset));
}

.card-description {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: transparent;
}

.project-link {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.15s ease;
    display: inline-block;
    width: fit-content;
}

.project-link:hover {
    padding-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

/* ============================================================
   EDUCATION SECTION
   ============================================================ */

.education-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.education-item {
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-2xl);
    background-color: var(--color-bg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--color-shadow);
    transition: all 0.15s ease;
}

.education-item:hover {
    box-shadow: none;
    transform: translate(var(--shadow-offset), var(--shadow-offset));
}

.education-degree {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.education-details {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
    background-color: var(--color-bg);
    border-top: var(--border-width) solid var(--color-border);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-3xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.footer-link {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-md) 0;
    border-bottom: var(--border-width) solid var(--color-border);
    transition: all 0.15s ease;
}

.footer-link:hover {
    padding-bottom: 0;
    padding-top: var(--spacing-lg);
}

.footer-attribution {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-lg);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

/* Tablet: 768px and up */
@media (max-width: 767px) {
    .navbar-menu {
        gap: var(--spacing-lg);
    }

    .nav-link {
        font-size: 11px;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .section-title {
        font-size: 20px;
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-md);
    }

    .hero {
        min-height: 60vh;
        padding: var(--spacing-2xl) 0;
    }

    .hero-name {
        font-size: 40px;
    }

    .hero-tag {
        font-size: 13px;
    }

    .hero-description {
        font-size: 16px;
        margin-bottom: var(--spacing-lg);
    }

    .hero-cta {
        gap: var(--spacing-md);
    }

    .button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 11px;
    }

    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-sm);
    }

    .skill-tag {
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: 11px;
    }

    .experience-grid,
    .projects-grid,
    .education-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .experience-card,
    .project-card,
    .education-item {
        padding: var(--spacing-lg);
    }

    .card-title {
        font-size: 15px;
    }

    .card-highlights {
        font-size: 13px;
    }

    .card-description {
        font-size: 13px;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .footer-link {
        display: block;
        border-bottom: none;
        border: var(--border-width) solid var(--color-border);
        padding: var(--spacing-md);
    }

    .footer-link:hover {
        padding: var(--spacing-md);
    }
}

/* Mobile: up to 480px */
@media (max-width: 480px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 16px;
        --spacing-xl: 20px;
        --spacing-2xl: 32px;
    }

    .navbar-container {
        padding: var(--spacing-sm);
    }

    .navbar-logo {
        font-size: 16px;
    }

    .navbar-menu {
        gap: var(--spacing-md);
    }

    .nav-link {
        font-size: 10px;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    .section-title {
        font-size: 18px;
        margin-bottom: var(--spacing-lg);
    }

    .hero {
        min-height: 50vh;
        padding: var(--spacing-xl) 0;
    }

    .hero-name {
        font-size: 32px;
        margin-bottom: var(--spacing-sm);
    }

    .hero-tag {
        font-size: 12px;
        margin-bottom: var(--spacing-md);
    }

    .hero-description {
        font-size: 14px;
        margin-bottom: var(--spacing-lg);
    }

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

    .button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 10px;
        width: 100%;
        text-align: center;
        box-shadow: 3px 3px 0px var(--color-shadow);
    }

    .button:hover {
        transform: translate(3px, 3px);
    }

    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .skill-tag {
        padding: 8px 12px;
        font-size: 10px;
    }

    .experience-card,
    .project-card,
    .education-item {
        padding: var(--spacing-lg);
        box-shadow: 3px 3px 0px var(--color-shadow);
    }

    .experience-card:hover,
    .project-card:hover,
    .education-item:hover {
        transform: translate(3px, 3px);
    }

    .card-title {
        font-size: 14px;
    }

    .card-company {
        font-size: 11px;
    }

    .card-highlights,
    .card-description {
        font-size: 12px;
    }

    .project-tags {
        gap: 6px;
    }

    .project-tag {
        font-size: 10px;
        padding: 6px 10px;
    }

    .footer-attribution {
        font-size: 10px;
    }
}