:root {
    /* Colors */
    --color-bg: #09100a;
    --color-surface: #111a0f;
    --color-fg: #eef0e8;
    --color-muted: #546a4a;
    --color-accent: #ffb020;

    /* Borders & Accents */
    --border: rgba(168, 255, 62, 0.14);
    --border-hover: rgba(168, 255, 62, 0.28);
    --accent-dim: rgba(168, 255, 62, 0.05);

    /* Fonts */
    --font-body: 'Onest', sans-serif;
    --font-display: 'Barlow Condensed', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* Resets & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-fg);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Foco visível para navegação por teclado [NOVO] */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 2px; }

/* Utilities */
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-muted); }
.hidden { display: none !important; }
.desktop-only { display: flex; }
.mobile-only { display: none; }

/* Fade-in ao rolar — o script.js procura por estas classes [NOVO] */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .desktop-only { display: none !important; }
    .mobile-only { display: block; }
}

/* Layout Containers */
.container, .hero-container, .footer-container {
    max-width: 1152px; /* equivalente a max-w-6xl */
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    z-index: 50;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}
.navbar.scrolled {
    background-color: rgba(9, 16, 10, 0.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}
.nav-container {
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--color-accent);
    color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 14px;
}
.logo-name {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    line-height: 1;
}
.logo-role {
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--color-muted);
    letter-spacing: 0.1em;
    margin-top: 2px;
}

/* Nav Links & Status */
.nav-links {
    gap: 32px;
}
.nav-links a {
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--color-accent); }
/* Link da seção que está na tela [NOVO] */
.nav-links a.active { color: var(--color-accent); }

.nav-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--color-muted);
    letter-spacing: 0.1em;
}
.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(168, 255, 62, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(168, 255, 62, 0); }
    100% { box-shadow: 0 0 0 0 rgba(168, 255, 62, 0); }
}

/* Mobile Menu */
#mobile-menu-btn {
    background: none;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
    /* área de toque confortável [NOVO] */
    padding: 8px;
    margin: -8px;
}
.mobile-menu {
    background-color: var(--color-surface);
    border-top: 1px solid var(--border);
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.mobile-menu a {
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 14px;
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: color 0.2s; /* [NOVO] */
}
.mobile-menu a:hover,
.mobile-menu a:active { color: var(--color-accent); } /* [NOVO] */

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 64px;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
    padding: 96px 0;
    align-items: center;
}
@media (min-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr 400px; }
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}
.eyebrow-symbol { color: var(--color-accent); font-family: var(--font-mono); font-size: 14px; }
.eyebrow-text { color: var(--color-muted); font-family: var(--font-mono); font-size: 14px; }

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 0.88;
    /* mínimo reduzido: "OPERACIONAIS." estourava em telas de 360px [NOVO] */
    font-size: clamp(2.75rem, 7.5vw, 6.5rem);
    letter-spacing: -0.01em;
    margin-bottom: 32px;
}

.hero-subtitle {
    color: var(--color-muted);
    font-size: 16px;
    line-height: 1.6;
    max-width: 450px;
    margin-bottom: 48px;
}

/* Buttons */
.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.btn-primary, .btn-secondary {
    padding: 12px 24px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}
.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg);
}
.btn-primary:hover { background-color: #9cf533; }
.btn-secondary {
    color: var(--color-muted);
    border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Terminal Window */
.hero-visuals {
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.terminal-window {
    background-color: var(--color-surface);
    border: 1px solid var(--border);
}
.terminal-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}
.mac-dots { display: flex; gap: 8px; margin-right: 12px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background-color: #ff5f57; }
.dot.yellow { background-color: #febc2e; }
.dot.green { background-color: #28c840; }
.terminal-title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-muted);
}
.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.7;
}
.code-line { color: var(--color-fg); }
.indent-1 { padding-left: 16px; }
.indent-2 { padding-left: 32px; }
.indent-3 { padding-left: 48px; }

/* Syntax Highlighting Colors */
.kw { color: #82aaff; } /* Keywords */
.id { color: var(--color-fg); } /* Identifiers */
.str { color: var(--color-accent); } /* Strings */
.cm { color: var(--color-muted); } /* Comments / punctuation */

.terminal-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-muted);
    margin-top: 4px;
}
.cursor-blink {
    width: 6px;
    height: 14px;
    background-color: var(--color-accent);
    animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid var(--border);
    background-color: var(--color-surface);
}
.stat-item {
    padding: 16px;
    text-align: center;
}
.stat-item.border-left { border-left: 1px solid var(--border); }
.stat-value {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 24px;
    color: var(--color-accent);
    line-height: 1;
}
.stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--color-muted);
    margin-top: 4px;
    letter-spacing: 0.1em;
    line-height: 1.35; /* rótulos de 2 palavras quebram sem colar [NOVO] */
}

/* Sections Global */
.content-section {
    padding: 128px 0;
    border-top: 1px solid var(--border);
}
.section-label {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
}
.label-number { color: var(--color-accent); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; }
.label-line { flex: 1; height: 1px; background-color: var(--border); }
.label-text { color: var(--color-muted); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; }

.section-heading {
    font-family: var(--font-display);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 0.88;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 32px;
}

/* Sobre */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
    align-items: start;
}
@media (min-width: 1024px) { .about-grid { grid-template-columns: 1fr 1fr; } }
.bio-text { color: var(--color-muted); font-size: 14px; line-height: 1.8; display: flex; flex-direction: column; gap: 16px; }

.skills-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    margin-bottom: 20px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
}
.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}
.skills-tags span {
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-muted);
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}
.skills-tags span:hover { border-color: var(--color-accent); }

.details-table {
    background-color: var(--color-surface);
    border: 1px solid var(--border);
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 11px;
}
.detail-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
@media (min-width: 640px) {
    .detail-row { flex-direction: row; justify-content: space-between; align-items: center; }
}
.detail-row.no-border { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }

/* Projetos */
.projects-list { display: flex; flex-direction: column; gap: 1px; }
.project-card {
    background-color: var(--color-surface);
    border: 1px solid var(--border);
    padding: 32px;
    transition: all 0.3s;
}
.project-card:hover {
    background-color: var(--accent-dim);
    border-color: var(--border-hover);
}
.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
}
@media (min-width: 1024px) {
    .project-grid { grid-template-columns: 64px 1fr auto; }
}
.project-number {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 48px;
    color: rgba(168, 255, 62, 0.15);
    line-height: 1;
}
.project-info h3 {
    font-family: var(--font-display);
    font-weight: 900;
    text-transform: uppercase;
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    margin-bottom: 8px;
}
.project-info p {
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: 16px;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.project-tags span {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--color-muted);
    padding: 2px 8px;
    border: 1px solid var(--border);
}

/* Link para o repositório dentro do card [NOVO] */
.project-link {
    display: inline-block;
    margin-top: 16px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: var(--color-muted);
    transition: color 0.2s, transform 0.2s;
}
.project-link:hover {
    color: var(--color-accent);
    transform: translateX(3px);
}

.project-impact {
    text-align: left;
}
@media (min-width: 1024px) { .project-impact { text-align: right; } }
.impact-label { font-family: var(--font-mono); font-size: 10px; color: var(--color-muted); margin-bottom: 4px; letter-spacing: 0.1em; }
.impact-value { font-size: 14px; font-weight: 600; }
.impact-year { font-family: var(--font-mono); font-size: 10px; color: var(--color-muted); margin-top: 8px; }

/* Contato */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
    align-items: center;
}
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-links { display: flex; flex-direction: column; gap: 8px; }
.contact-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px; /* evita o e-mail colar na seta [NOVO] */
    padding: 20px;
    background-color: var(--color-surface);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.2s;
}
.contact-card:hover {
    background-color: var(--accent-dim);
    border-color: var(--color-accent);
}
.contact-label { font-family: var(--font-mono); font-size: 10px; color: var(--color-muted); margin-bottom: 4px; letter-spacing: 0.1em; }
.contact-value { font-size: 14px; font-weight: 600; color: var(--color-fg); transition: color 0.2s; word-break: break-word; }
.contact-card:hover .contact-value, .contact-card:hover .contact-arrow { color: var(--color-accent); }
.contact-arrow { color: var(--color-muted); transition: color 0.2s; flex-shrink: 0; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-copy { font-family: var(--font-mono); font-size: 10px; color: var(--color-muted); letter-spacing: 0.1em; }

/* Respeita quem desativou animações no sistema [NOVO] */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .fade-in { opacity: 1; transform: none; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}