/* ═══════════════════════════════════════════════════════════════
   Jerome Barba — AI Automation Portfolio
   Premium Enterprise Aesthetic (Vercel/Linear/Retool Inspired)
   ═══════════════════════════════════════════════════════════════ */

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
    /* Base Colors - Linear/Vercel Dark */
    --bg-primary: #080b10;
    --bg-secondary: #0d1117;
    --bg-card: #161b22;
    
    /* Accents */
    --accent: #00d4ff; /* Cyber Cyan */
    --accent-rgb: 0, 212, 255;
    --accent-secondary: #0070f3; /* Vercel Blue */
    --accent-secondary-rgb: 0, 112, 243;
    --status-green: #39d353; /* Terminal Green */
    --status-green-rgb: 57, 211, 83;
    
    /* Typography */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 212, 255, 0.15);
    
    /* Structural */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-pill: 99px;
    
    --font-heading: 'Space Grotesk', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --nav-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 20px);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.04em;
    color: #fff;
}

a {
    color: inherit;
    text-decoration: none;
}

ul { list-style: none; }

/* ─── Utilities ─────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.section {
    padding: 120px 0;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.section-darker {
    background: var(--bg-secondary);
}

.border-top {
    border-top: 1px solid var(--border-color);
}

.section-header {
    margin-bottom: 64px;
    max-width: 800px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 12px;
}

.section-subtitle {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.monospace {
    font-family: var(--font-mono);
}

.nav-logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.footer-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background: var(--accent);
    color: var(--bg-primary);
    box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.3);
}

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

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-secondary);
}

.btn-full {
    width: 100%;
}

/* ─── Reveal Animation ──────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════ NAVIGATION ═══════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 16px 24px;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 12px 24px;
}

.nav-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.navbar.scrolled .nav-container {
    background: rgba(8, 11, 16, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    padding: 8px 24px;
    max-width: 800px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.monogram {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: var(--radius-sm);
}

.monogram.small {
    width: 24px;
    height: 24px;
    font-size: 11px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.nav-link-cta {
    color: var(--bg-primary) !important;
    background: var(--text-primary) !important;
    margin-left: 8px;
}

.nav-link-cta:hover {
    background: var(--accent) !important;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger .bar {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* ═══════════════════════ HERO ═══════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--nav-height);
    overflow: hidden;
}

#heroCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
    z-index: 1;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    max-width: 650px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(13, 17, 23, 0.8);
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--status-green);
}

.status-dot.pulsing {
    box-shadow: 0 0 0 0 rgba(var(--status-green-rgb), 0.4);
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(var(--status-green-rgb), 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(var(--status-green-rgb), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--status-green-rgb), 0); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.terminal-block {
    background: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 40px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    max-width: 400px;
}

.terminal-header {
    background: #161b22;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-left: 8px;
}

.terminal-body {
    padding: 16px;
    color: var(--text-primary);
}

.prompt {
    color: var(--accent);
    margin-right: 8px;
}

.cursor {
    display: inline-block;
    width: 8px;
    background: var(--text-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.hero-cta {
    display: flex;
    gap: 16px;
}

/* Floating Widget */
.hero-widget {
    background: rgba(13, 17, 23, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 280px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.widget-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
}

.status-indicator {
    color: var(--status-green);
}

.widget-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.widget-row {
    display: flex;
    justify-content: space-between;
}

.widget-label {
    color: var(--text-secondary);
}

.widget-value.highlight-green {
    color: var(--status-green);
}

/* ═══════════════════════ ABOUT (IDENTITY) ═══════════════════════ */
.identity-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 64px;
}

.lead-text {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.identity-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.identity-text strong {
    color: var(--text-primary);
}

.identity-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    align-self: start;
}

.panel-header {
    background: rgba(255,255,255,0.02);
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.panel-content {
    padding: 24px 20px;
}

.profile-block {
    margin-bottom: 24px;
}

.block-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.block-value {
    color: var(--text-primary);
    font-weight: 500;
}

.domain-item {
    margin-bottom: 16px;
}

.domain-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.domain-track {
    height: 4px;
    background: rgba(255,255,255,0.05);
    border-radius: 2px;
    overflow: hidden;
}

.domain-fill {
    height: 100%;
    background: var(--accent);
}

/* ═══════════════════════ SKILLS (STACK) ═══════════════════════ */
.stack-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stack-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    overflow: hidden;
    transition: border-color 0.3s;
}

.stack-card:hover {
    border-color: rgba(var(--accent-rgb), 0.3);
}

.stack-bg-hex {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 0l8.66 5v10L10 20l-8.66-5V5L10 0zm0 1.155L2.5 5.485v8.66L10 18.47l7.5-4.325v-8.66L10 1.155z' fill='rgba(255,255,255,0.02)' fill-rule='evenodd'/%3E%3C/svg%3E");
    z-index: 0;
    pointer-events: none;
}

.stack-header, .tech-tags {
    position: relative;
    z-index: 1;
}

.stack-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.stack-icon {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    background: rgba(0, 212, 255, 0.05);
}

.stack-title-group h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.status-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.status-badge.active {
    background: rgba(57, 211, 83, 0.1);
    color: var(--status-green);
    border: 1px solid rgba(57, 211, 83, 0.2);
}

.status-badge.learning {
    background: rgba(255, 189, 46, 0.1);
    color: #ffbd2e;
    border: 1px solid rgba(255, 189, 46, 0.2);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tags code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 4px 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
}

/* ═══════════════════════ PROJECTS (CASE STUDIES) ═══════════════════════ */
.case-studies-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.case-card {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px;
    padding-left: 44px;
    overflow: hidden;
}

.case-accent-line {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent-secondary);
    box-shadow: 0 0 10px rgba(var(--accent-secondary-rgb), 0.5);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
}

.case-header h3 {
    font-size: 1.5rem;
}

.case-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    background: rgba(var(--accent-rgb), 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
}

.case-body {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.case-block p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ═══════════════════════ TIMELINE ═══════════════════════ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-rail {
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--border-color) 5%, var(--border-color) 95%, transparent);
}

.timeline-node {
    position: relative;
    padding-left: 48px;
    margin-bottom: 48px;
}

.node-marker {
    position: absolute;
    left: 3px;
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--bg-primary);
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    z-index: 2;
}

.node-marker.pulsing {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.5);
}

.node-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.node-date {
    color: var(--text-primary);
}

.node-class {
    color: var(--text-muted);
}

.node-title {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.node-role {
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.node-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-left: 16px;
}

.node-details li {
    margin-bottom: 8px;
    position: relative;
}

.node-details li::before {
    content: '›';
    position: absolute;
    left: -16px;
    color: var(--text-muted);
}

/* ═══════════════════════ CAPABILITIES ═══════════════════════ */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.cap-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.cap-header {
    margin-bottom: 16px;
}

.cap-header h4 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.signal-strength {
    display: flex;
    gap: 4px;
}

.signal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
}

.signal-dot.active {
    background: var(--accent);
    box-shadow: 0 0 8px rgba(var(--accent-rgb), 0.5);
}

.cap-panel p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ═══════════════════════ CONTACT ═══════════════════════ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-block {
    margin-bottom: 0;
    max-width: 100%;
    height: 100%;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.form-group input, .form-group textarea, .form-group select {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    width: 100%;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.15);
}

.select-wrapper {
    position: relative;
    width: 100%;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
}

.select-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-error {
    color: #ff5f56;
    font-size: 0.85rem;
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.success-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--radius-md);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.success-icon {
    font-size: 3rem;
    color: var(--status-green);
    margin-bottom: 20px;
}

.success-icon.pulsing {
    animation: pulse-green 2s infinite;
    border-radius: 50%;
    display: inline-flex;
}

.success-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.success-subtext {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 400px;
    margin: 0 auto;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.mt-4 {
    margin-top: 24px;
}

/* ═══════════════════════ FOOTER ═══════════════════════ */
.footer {
    padding: 40px 0;
    background: var(--bg-primary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ─── Responsive Adjustments ────────────────────────────────── */
@media (max-width: 992px) {
    .identity-grid, .case-body, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 40px;
    }
    
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .stack-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 24px;
        right: 24px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 16px;
        flex-direction: column;
    }
    
    .nav-links.open {
        display: flex;
    }
    
    .hamburger {
        display: flex;
        color: white;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
}