/* ═══════════════════════════════════════════════════════════
   JOHN GUERRA — Neo-Brutalist Developer Portfolio
   Clean, confident, technically refined
   ═══════════════════════════════════════════════════════════ */

/* === Reset & Variables === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Dark theme with warm undertones */
    --bg: #0a0a0b;
    --bg-elevated: #111113;
    --bg-card: #161618;
    --bg-hover: #1c1c1f;
    
    /* Text */
    --text: #fafafa;
    --text-secondary: #a1a1a6;
    --text-muted: #636366;
    
    /* Accent - Electric cyan */
    --accent: #00d4ff;
    --accent-dim: rgba(0, 212, 255, 0.15);
    --accent-glow: rgba(0, 212, 255, 0.4);
    
    /* Secondary accent - Violet */
    --accent-2: #8b5cf6;
    --accent-2-dim: rgba(139, 92, 246, 0.15);
    
    /* Functional */
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --success: #22c55e;
    
    /* Typography */
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', 'SF Mono', monospace;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* === Grid Overlay (subtle dev aesthetic) === */
.grid-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black 30%, transparent 70%);
}

/* === Header & Navigation === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 2px;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text);
}

.nav__logo-bracket {
    color: var(--accent);
}

.nav__logo-name {
    color: var(--text);
}

.nav__links {
    display: flex;
    gap: 0.5rem;
}

.nav__links a {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav__links a:hover {
    color: var(--text);
    background: var(--bg-hover);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav__social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav__social:hover {
    color: var(--text);
    background: var(--bg-hover);
}

.nav__cta {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--bg);
    background: var(--accent);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s ease;
}

.nav__cta:hover {
    background: #00e5ff;
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .nav__links { display: none; }
    .nav__actions { gap: 0.5rem; }
    .nav__cta { 
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn--primary {
    color: var(--bg);
    background: var(--accent);
    border-color: var(--accent);
}

.btn--primary:hover {
    background: #00e5ff;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.btn--outline {
    color: var(--text);
    background: transparent;
    border-color: var(--border-hover);
}

.btn--outline:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(100px + var(--space-xl)) 1.5rem var(--space-xl);
}

.hero__intro {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--space-sm);
}

.hero__label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    padding: 0.4rem 0.75rem;
    background: var(--accent-dim);
    border-radius: var(--radius-sm);
}

.hero__location {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero__title {
    margin-bottom: var(--space-md);
}

.hero__title-line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 6rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
}

.hero__title-line--accent {
    color: var(--accent);
}

.hero__desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 500px;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.hero__stats {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.hero__stat-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
}

.hero__stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hero__actions {
    display: flex;
    gap: var(--space-sm);
}

/* Terminal */
.terminal {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.terminal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.terminal__dots {
    display: flex;
    gap: 0.5rem;
}

.terminal__dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal__dots span:nth-child(1) { background: #ff5f57; }
.terminal__dots span:nth-child(2) { background: #febc2e; }
.terminal__dots span:nth-child(3) { background: #28c840; }

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

.terminal__body {
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.terminal__line {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.terminal__prompt {
    color: var(--accent);
}

.terminal__cmd {
    color: var(--text);
}

.terminal__output {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 1rem;
}

.terminal__output--code {
    white-space: pre;
    color: var(--accent);
    font-size: 0.85rem;
    line-height: 1.5;
}

.terminal__cursor {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: calc(80px + var(--space-lg));
    }
    
    .hero__visual {
        order: -1;
    }
    
    .hero__stats {
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    
    .hero__actions {
        flex-wrap: wrap;
    }
}

/* === Section Headers === */
.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    padding: 0.3rem 0.6rem;
    background: var(--accent-dim);
    border-radius: var(--radius-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* === Work Experience === */
.work {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-3xl) 1.5rem;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.job {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-lg);
}

.job__meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.job__date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.job__type {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
}

.job__content {
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.job__content:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.job__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.job__company {
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.job__highlights {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: var(--space-md);
}

.job__highlights li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.job__highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.job__highlights strong {
    color: var(--text);
    font-weight: 600;
}

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

.job__tags span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.35rem 0.6rem;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .job {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .job__meta {
        flex-direction: row;
        align-items: center;
    }
}

/* === Projects === */
.projects {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-3xl) 1.5rem;
    background: var(--bg-elevated);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.project {
    position: relative;
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    overflow: hidden;
}

.project:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project--featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-lg);
    background: linear-gradient(135deg, var(--bg-card), var(--bg-hover));
}

.project__number {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--border);
    line-height: 1;
}

.project__label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.project__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.project__subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
}

.project__desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.project__desc strong {
    color: var(--accent);
    font-weight: 600;
}

.project__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: var(--space-md);
}

.project__tags span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.3rem 0.5rem;
    background: var(--accent-dim);
    border-radius: var(--radius-sm);
    color: var(--accent);
}

.project__links {
    display: flex;
    gap: var(--space-sm);
}

.project__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s ease;
}

.project__link:hover {
    color: var(--accent);
}

.project__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.project__orb {
    width: 180px;
    height: 180px;
    background: radial-gradient(circle at 30% 30%, var(--accent), var(--accent-2));
    border-radius: 50%;
    box-shadow: 
        0 0 60px var(--accent-glow),
        0 0 100px rgba(139, 92, 246, 0.3);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@media (max-width: 900px) {
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .project--featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
    
    .project__visual {
        display: none;
    }
}

/* === Skills === */
.skills {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-3xl) 1.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.skill-group {
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.skill-group__title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

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

.skill {
    font-size: 0.9rem;
    padding: 0.5rem 0.875rem;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.skill:hover {
    border-color: var(--accent);
    color: var(--text);
}

@media (max-width: 600px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* === Contact === */
.contact {
    padding: var(--space-3xl) 1.5rem;
    background: var(--bg-elevated);
    text-align: center;
}

.contact__content {
    max-width: 700px;
    margin: 0 auto;
}

.contact__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin: var(--space-sm) 0;
}

.contact__desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.contact__links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.contact__item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
}

.contact__item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.contact__item-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.contact__item-value {
    font-size: 0.95rem;
    color: var(--text);
}

@media (max-width: 600px) {
    .contact__links {
        grid-template-columns: 1fr;
    }
}

/* === Footer === */
.footer {
    border-top: 1px solid var(--border);
    padding: var(--space-lg) 1.5rem;
}

.footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__copy {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer__links {
    display: flex;
    gap: var(--space-md);
}

.footer__links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer__links a:hover {
    color: var(--accent);
}

@media (max-width: 600px) {
    .footer__inner {
        flex-direction: column;
        text-align: center;
    }
}

/* === Animations === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero__content > * {
    animation: fadeIn 0.6s ease-out both;
}

.hero__intro { animation-delay: 0.1s; }
.hero__title { animation-delay: 0.2s; }
.hero__desc { animation-delay: 0.3s; }
.hero__stats { animation-delay: 0.4s; }
.hero__actions { animation-delay: 0.5s; }

.hero__visual {
    animation: fadeIn 0.8s ease-out 0.3s both;
}

/* === Focus States === */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* === Selection === */
::selection {
    background: var(--accent);
    color: var(--bg);
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}