/* ============================================
   VARIABLES
   ============================================ */
:root {
    --color-primary: #367588;
    --color-primary-dark: #2a5c6b;
    --color-primary-light: #4a9bb2;
    --color-background: #0e1117;
    --color-surface: #161b22;
    --color-surface-light: #1c2333;
    --color-text: #f0f6fc;
    --color-text-muted: #8b949e;
    --color-accent: #367588;
    --color-header-bg: rgba(14, 17, 23, 0.9);
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --transition: all 0.3s ease;
    --shadow-glow: 0 0 30px rgba(54, 117, 136, 0.15);
}

[data-theme="light"] {
    --color-primary: #2a5c6b;
    --color-primary-dark: #1d4250;
    --color-primary-light: #367588;
    --color-background: #f6f8fa;
    --color-surface: #ffffff;
    --color-surface-light: #eef1f4;
    --color-text: #1a2330;
    --color-text-muted: #5a6a78;
    --color-accent: #2a5c6b;
    --color-header-bg: rgba(255, 255, 255, 0.85);
    --shadow-glow: 0 0 30px rgba(54, 117, 136, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

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

a:hover {
    color: var(--color-text);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(54, 117, 136, 0.12);
    transition: background 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.logo a {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.logo a:hover {
    color: var(--color-primary-light);
}

.nav-links {
    display: flex;
    gap: 1.75rem;
}

.nav-links a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
}

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

.nav-links a.active {
    color: var(--color-primary-light);
    border-bottom-color: var(--color-primary-light);
}

/* Header Actions (right cluster) */
.header-actions {
    display: inline-flex;
    align-items: center;
    gap: 1.25rem;
    margin-left: 1.25rem;
}

/* Language Switcher */
.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 0.1rem;
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
}

.lang-form {
    display: inline-flex;
    margin: 0;
    padding: 0;
}

.lang-btn {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.35rem 0.45rem;
    line-height: 1;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.lang-btn:hover {
    color: var(--color-primary-light);
}

.lang-btn.active {
    color: var(--color-primary-light);
    background: var(--color-surface-light);
}

.lang-btn:focus-visible {
    outline: 1px solid var(--color-primary-light);
    outline-offset: 2px;
}

.lang-divider {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    opacity: 0.4;
    user-select: none;
}

/* Palette Trigger */
.palette-trigger {
    background: var(--color-surface-light);
    border: 1px solid rgba(54, 117, 136, 0.2);
    border-radius: var(--border-radius);
    color: var(--color-text-muted);
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    font-size: 0.8rem;
}

.palette-trigger:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

/* Theme Toggle */
.theme-toggle {
    background: var(--color-surface-light);
    border: 1px solid rgba(54, 117, 136, 0.2);
    border-radius: var(--border-radius);
    color: var(--color-text-muted);
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    font-size: 0.8rem;
}

.theme-toggle:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

[data-theme="dark"] .theme-icon-light {
    display: none;
}

[data-theme="light"] .theme-icon-dark {
    display: none;
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION (HOME)
   ============================================ */
#hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 90px 2rem 1rem;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

.hero-photo {
    flex-shrink: 0;
}

.hero-photo img {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-primary);
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
}

.hero-photo img:hover {
    box-shadow: 0 0 45px rgba(54, 117, 136, 0.3);
    border-color: var(--color-primary-light);
}

.hero-text {
    flex: 1;
}

.hero-text .greeting {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-primary-light);
    font-weight: 400;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
}

.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.highlight {
    color: var(--color-primary-light);
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    color: var(--color-primary-light);
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

/* Animação de entrada no scroll (classes aplicadas via JS) */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* ============================================
   TERMINAL (easter egg)
   ============================================ */
.terminal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 12, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    padding: 1rem;
}

.terminal-overlay.open {
    display: flex;
}

.terminal {
    width: 100%;
    max-width: 680px;
    background: #0b0f14;
    border: 1px solid rgba(54, 117, 136, 0.35);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
    overflow: hidden;
}

.terminal-titlebar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 0.9rem;
    background: #11161d;
    border-bottom: 1px solid rgba(54, 117, 136, 0.25);
}

.term-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.term-dot-red { background: #ff5f57; }
.term-dot-yellow { background: #febc2e; }
.term-dot-green { background: #28c840; }

.terminal-title {
    flex: 1;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #8b99a8;
}

.terminal-close {
    background: none;
    border: none;
    color: #8b99a8;
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 0.2rem;
}

.terminal-close:hover {
    color: #e8edf2;
}

.terminal-body {
    padding: 0.9rem 1rem 1rem;
    max-height: 420px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.65;
    color: #c7d2dc;
    cursor: text;
}

.terminal-output .term-line {
    white-space: pre-wrap;
    word-break: break-word;
}

.terminal-output .term-cmd {
    color: #e8edf2;
}

.terminal-output .term-accent {
    color: #5fb3c9;
}

.terminal-output .term-error {
    color: #ff7b72;
}

.terminal-output a {
    color: #5fb3c9;
    text-decoration: underline;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-prompt {
    color: #4ec06a;
    white-space: nowrap;
}

.terminal-input-line input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: #e8edf2;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    caret-color: #5fb3c9;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 2rem;
}

.tech-tag {
    font-family: var(--font-mono);
    display: inline-block;
    white-space: nowrap;
    padding: 0.26rem 0.6rem;
    background: var(--color-surface-light);
    color: var(--color-primary-light);
    border: 1px solid rgba(54, 117, 136, 0.25);
    border-radius: 2rem;
    font-size: 0.66rem;
    font-weight: 500;
    transition: var(--transition);
}

.tech-tag:hover {
    border-color: var(--color-primary-light);
    background: rgba(54, 117, 136, 0.1);
}

/* ============================================
   BUTTONS
   ============================================ */
.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    letter-spacing: 0.02em;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-text);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(54, 117, 136, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-muted);
    border: 1.5px solid var(--color-text-muted);
}

.btn-secondary:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-light);
    border: 1.5px solid var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover {
    background: rgba(54, 117, 136, 0.1);
    color: var(--color-primary-light);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ============================================
   PAGE SECTIONS (shared)
   ============================================ */
.page-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 120px 2rem 5rem;
    min-height: 100vh;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h1 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.section-divider {
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    margin: 1.25rem auto 0;
    border-radius: 2px;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.quote-highlight {
    text-align: center;
    padding: 2rem 0 3.5rem;
}

.quote-highlight p {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary-light);
    font-style: italic;
    letter-spacing: -0.01em;
}

.about-layout {
    display: flex;
    align-items: flex-start;
    gap: 4rem;
}

.about-photo {
    flex-shrink: 0;
}

.about-photo img {
    width: 300px;
    height: 380px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(54, 117, 136, 0.3);
    box-shadow: var(--shadow-glow);
}

.about-bio {
    flex: 1;
}

.about-bio h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.about-bio p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 1.25rem;
}

/* ============================================
   SKILLS PAGE
   ============================================ */
.skills-category {
    margin-bottom: 3rem;
}

.category-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.category-title i {
    color: var(--color-primary-light);
    font-size: 1.1rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.skill-card {
    background: var(--color-surface);
    border: 1px solid rgba(54, 117, 136, 0.12);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.skill-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.skill-card i {
    font-size: 2rem;
    color: var(--color-primary-light);
    margin-bottom: 0.75rem;
}

/* Ícone do TypeScript (Font Awesome free não tem fa-typescript):
   quadrado no estilo do logo oficial, com as siglas em texto. */
.skill-card i.icon-ts {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--color-primary-light);
    color: var(--color-surface);
    border-radius: 0.3rem;
    font-family: var(--font-mono);
    font-style: normal;
    font-weight: 700;
    font-size: 0.95rem;
}

.skill-card i.icon-ts::before {
    content: "TS";
}

.skill-card h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.skill-detail {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================
   PROJECTS PAGE
   ============================================ */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 0.4rem 0.9rem;
    background: var(--color-surface);
    border: 1px solid rgba(54, 117, 136, 0.2);
    border-radius: var(--border-radius);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    color: var(--color-text);
    border-color: var(--color-primary-light);
}

.filter-btn.active {
    background: rgba(54, 117, 136, 0.18);
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

.project-card.filtered-out {
    display: none;
}

.projects-empty {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 2.5rem 1rem;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.9rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.project-meta i {
    margin-right: 0.3rem;
    color: var(--color-primary-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: var(--color-surface);
    border: 1px solid rgba(54, 117, 136, 0.12);
    border-radius: var(--border-radius-lg);
    padding: 1.75rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.project-header > i {
    font-size: 1.5rem;
    color: var(--color-primary-light);
}

.project-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(54, 117, 136, 0.12);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.85rem;
    background: var(--color-surface-light);
    border: 1px solid rgba(54, 117, 136, 0.2);
    border-radius: var(--border-radius);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    transition: var(--transition);
}

.project-link i {
    font-size: 0.9rem;
}

.project-link:hover {
    color: var(--color-text);
    border-color: var(--color-primary-light);
    background: rgba(54, 117, 136, 0.18);
}

.project-link-live {
    background: rgba(54, 117, 136, 0.18);
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

.project-link-live:hover {
    background: rgba(54, 117, 136, 0.28);
    color: var(--color-text);
}

.project-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.project-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 1.25rem;
}

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

.project-tags span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-primary-light);
}

.project-tags span:not(:last-child)::after {
    content: " ·";
    color: var(--color-text-muted);
    margin-left: 0.5rem;
}

/* ============================================
   EXPERIENCES LIST
   ============================================ */
.timeline {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.timeline-item {
    position: relative;
}

.timeline-card {
    background: var(--color-surface);
    border: 1px solid rgba(54, 117, 136, 0.12);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--border-radius-lg);
    padding: 1.75rem 2rem;
    transition: var(--transition);
}

.timeline-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.timeline-header h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
}

.timeline-company {
    font-family: var(--font-mono);
    color: var(--color-primary-light);
    font-size: 0.85rem;
}

.timeline-company a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dashed rgba(54, 117, 136, 0.5);
    transition: var(--transition);
}

.timeline-company a:hover {
    color: var(--color-text);
    border-bottom-color: var(--color-primary-light);
}

.timeline-period {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.timeline-period i {
    margin-right: 0.25rem;
}

.timeline-details {
    list-style: none;
}

.timeline-details li {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    padding-left: 1rem;
    position: relative;
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
}

.timeline-skills {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(54, 117, 136, 0.15);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
}

.timeline-skills strong {
    color: var(--color-text);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* ============================================
   FORMATION PAGE
   ============================================ */
.formation-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.formation-card {
    background: var(--color-surface);
    border: 1px solid rgba(54, 117, 136, 0.12);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem 1.75rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    transition: var(--transition);
}

.formation-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.formation-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(54, 117, 136, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.formation-icon i {
    color: var(--color-primary-light);
    font-size: 1.2rem;
}

.formation-info {
    flex: 1;
}

.formation-info h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.formation-institution {
    display: block;
    color: var(--color-primary-light);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.formation-period {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.formation-period i {
    margin-right: 0.25rem;
}

.formation-status {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.2rem 0.6rem;
    border-radius: 2rem;
    letter-spacing: 0.02em;
}

.status-done {
    background: rgba(54, 117, 136, 0.15);
    color: var(--color-primary-light);
}

.status-progress {
    background: rgba(234, 179, 8, 0.12);
    color: #eab308;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 950px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1px solid rgba(54, 117, 136, 0.2);
    border-radius: var(--border-radius);
    color: var(--color-text);
    transition: var(--transition);
    outline: none;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(54, 117, 136, 0.15);
}

.contact-info {
    padding-top: 0.5rem;
}

.contact-info h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.info-item > i {
    font-size: 1.1rem;
    color: var(--color-primary-light);
    margin-top: 0.2rem;
    width: 20px;
    text-align: center;
}

.info-item h3 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.info-item p,
.info-item a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.info-item a:hover {
    color: var(--color-primary-light);
}

/* ============================================
   MESSAGES & FORM ERRORS
   ============================================ */
.messages {
    max-width: 950px;
    margin: 0 auto 2rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.field-error {
    font-size: 0.8rem;
    color: #ef4444;
}

/* ============================================
   COMMAND PALETTE
   ============================================ */
.palette-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    padding-top: 20vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.palette-overlay.open {
    opacity: 1;
    visibility: visible;
}

.palette {
    width: 100%;
    max-width: 560px;
    background: var(--color-surface);
    border: 1px solid rgba(54, 117, 136, 0.25);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(54, 117, 136, 0.1);
    overflow: hidden;
    transform: translateY(10px) scale(0.98);
    transition: transform 0.2s ease;
    max-height: 420px;
    display: flex;
    flex-direction: column;
    align-self: flex-start;
}

.palette-overlay.open .palette {
    transform: translateY(0) scale(1);
}

.palette-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid rgba(54, 117, 136, 0.15);
}

.palette-input-wrapper i {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.palette-input-wrapper input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.palette-input-wrapper input::placeholder {
    color: var(--color-text-muted);
}

.palette-input-wrapper kbd {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.15rem 0.45rem;
    background: var(--color-surface-light);
    border: 1px solid rgba(54, 117, 136, 0.2);
    border-radius: 4px;
    color: var(--color-text-muted);
}

.palette-results {
    list-style: none;
    overflow-y: auto;
    padding: 0.4rem;
}

.palette-results:empty::after {
    content: 'Nenhum resultado encontrado';
    display: block;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    padding: 1.5rem;
}

.palette-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.65rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background 0.1s ease;
}

.palette-item:hover,
.palette-item.selected {
    background: rgba(54, 117, 136, 0.15);
}

.palette-item .palette-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(54, 117, 136, 0.1);
    border-radius: 6px;
    color: var(--color-primary-light);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.palette-item .palette-label {
    flex: 1;
}

.palette-item .palette-label span {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.palette-item .palette-label small {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.palette-item .palette-shortcut {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    text-align: center;
    padding: 1.5rem 2rem;
    background: transparent;
    border-top: 1px solid rgba(54, 117, 136, 0.1);
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links a {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: 0;
    transition: var(--transition);
}

.social-links a i {
    font-size: 0.95rem;
    width: 0;
    opacity: 0;
    overflow: hidden;
    transition: width 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
}

.social-links a:hover {
    color: var(--color-primary-light);
}

.social-links a:hover i {
    width: 1rem;
    opacity: 1;
    margin-right: 0.5rem;
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-layout {
        gap: 2.5rem;
    }

    .about-photo img {
        width: 250px;
        height: 320px;
    }
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
    /* Header */
    header {
        padding: 0.85rem 1.25rem;
    }

    nav {
        gap: 0.5rem;
    }

    .menu-toggle {
        display: flex;
        order: 3;
    }

    .header-actions {
        order: 2;
        margin-left: 0;
        gap: 0.5rem;
    }

    .lang-switcher {
        flex-direction: row;
        flex-wrap: nowrap;
        white-space: nowrap;
    }

    .lang-form {
        display: inline-flex;
        flex: 0 0 auto;
    }

    .lang-btn {
        font-size: 0.7rem;
        padding: 0.3rem 0.4rem;
    }

    .palette-trigger {
        padding: 0.35rem 0.5rem;
        font-size: 0.75rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-surface);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.3s ease;
        border-left: 1px solid rgba(54, 117, 136, 0.15);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links a {
        font-size: 0.95rem;
    }

    /* Footer */
    footer {
        padding: 1.25rem 1rem;
    }

    .social-links {
        gap: 1.75rem;
        flex-wrap: wrap;
    }

    .social-links a {
        gap: 0;
    }

    .social-links a span {
        display: none;
    }

    .social-links a i {
        width: auto;
        opacity: 1;
        overflow: visible;
        font-size: 1.4rem;
        margin: 0;
    }

    /* Hero */
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2.5rem;
    }

    .hero-photo img {
        width: 180px;
        height: 180px;
    }

    .hero-text h1 {
        font-size: 2.25rem;
    }

    .hero-text .greeting {
        text-align: center;
    }

    .tech-stack {
        justify-content: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    /* About */
    .quote-highlight p {
        font-size: 1.35rem;
    }

    .about-layout {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .about-photo img {
        width: 220px;
        height: 280px;
    }

    /* Skills */
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    /* Formation */
    .formation-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    /* Page sections */
    .page-section {
        padding: 100px 1.25rem 3rem;
    }

    .section-header h1 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.75rem 1rem;
    }

    .logo a {
        font-size: 1rem;
    }

    .header-actions {
        gap: 0.4rem;
    }

    .lang-btn {
        font-size: 0.65rem;
        padding: 0.25rem 0.3rem;
    }

    .palette-trigger {
        padding: 0.3rem 0.45rem;
    }

    .skills-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .skill-card {
        padding: 1.25rem 1rem;
    }

    .hero-text h1 {
        font-size: 1.85rem;
    }

    .social-links {
        gap: 1.25rem;
    }

    .social-links a i {
        font-size: 1.25rem;
    }
}