/* ============================================
   PORTFÓLIO JOSÉ MBENGA - CSS BASE
   ============================================ */

/* ====================
   1. VARIÁVEIS GLOBAIS
   ==================== */

:root {
    /* Cores principais - Dark Theme */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #8b5cf6;
    --accent: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;

    /* Textos */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Bordas */
    --border: #475569;
    --border-light: #64748b;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transições */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Espaçamentos */
    --container-max: 1280px;
    --section-py: 6rem;
    --section-py-sm: 4rem;
}

/* Light Theme Variables */
.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-light: #cbd5e1;
}

/* ====================
   2. RESET E BASE
   ==================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition), color var(--transition);
}

/* ====================
   3. TIPOGRAFIA
   ==================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

/* ====================
   4. LAYOUT
   ==================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* ====================
   5. BOTÕES
   ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.75rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: width var(--transition);
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ====================
   6. HEADER
   ==================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

.light-theme .header {
    background: rgba(255, 255, 255, 0.9);
}

.header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-desktop {
    display: none;
}

@media (min-width: 992px) {
    .nav-desktop {
        display: flex;
        gap: 2rem;
    }
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    width: 100%;
}

.mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

@media (min-width: 992px) {
    .mobile-toggle {
        display: none;
    }
}

.bar {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
}

.mobile-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ====================
   7. OFFCANVAS
   ==================== */

.offcanvas {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    z-index: 1000;
    transition: right var(--transition-slow);
    display: flex;
    flex-direction: column;
    padding: 2rem;
    overflow-y: auto;
}

.offcanvas.active {
    right: 0;
}

.offcanvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.offcanvas-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex-grow: 1;
}

.offcanvas-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

.offcanvas-link:hover {
    color: var(--primary);
    padding-left: 1rem;
}

.offcanvas-social {
    display: flex;
    gap: 1.5rem;
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.close-menu {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

/* ====================
   8. HERO SECTION
   ==================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 6rem;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-grid {
    display: block;
    width: 100%;
}

@media (min-width: 992px) {
    .hero-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }
}

.hero-text {
    position: relative;
    z-index: 2;
    margin-bottom: 3rem;
}

@media (min-width: 992px) {
    .hero-text {
        margin-bottom: 0;
    }
}

.hero-visual {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .hero-badge {
        padding: 0.5rem 1.5rem;
        font-size: 1rem;
        margin-top: 1rem;
    }
}

.hero-text h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.typing-container {
    min-height: 60px;
    margin: 1.5rem 0 2rem;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .typing-container {
        font-size: 1.5rem;
        min-height: 70px;
    }
}

@media (min-width: 992px) {
    .typing-container {
        font-size: 1.75rem;
        min-height: 80px;
    }
}

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

.hero-subtitle {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.125rem;
    }
}

/* Floating Tech Stack */
.floating-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0 2.5rem;
    justify-content: center;
}

@media (min-width: 768px) {
    .floating-tech-stack {
        justify-content: flex-start;
    }
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 0.75rem;
    transition: all var(--transition);
}

.light-theme .tech-item {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

@media (min-width: 768px) {
    .tech-item {
        width: 80px;
        height: 80px;
        padding: 1rem;
    }
}

.tech-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    background: rgba(37, 99, 235, 0.1);
}

.tech-item i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .tech-item i {
        font-size: 2rem;
    }
}

.tech-item span {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .tech-item span {
        font-size: 0.75rem;
    }
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.hero-cta .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    flex: 1;
    min-width: 140px;
    justify-content: center;
}

@media (min-width: 768px) {
    .hero-cta .btn {
        padding: 0.875rem 2rem;
        font-size: 1rem;
        flex: initial;
        min-width: auto;
    }
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .hero-stats {
        gap: 3rem;
        justify-content: flex-start;
    }
}

.stat-item {
    text-align: center;
    min-width: 80px;
}

@media (min-width: 768px) {
    .stat-item {
        min-width: 100px;
    }
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}

@media (min-width: 768px) {
    .stat-number {
        font-size: 2.5rem;
    }
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (min-width: 768px) {
    .stat-label {
        font-size: 0.875rem;
    }
}

/* Code Editor */
.code-editor {
    background: var(--bg-secondary);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    max-width: 100%;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .code-editor {
        max-width: 500px;
    }
}

.editor-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

@media (min-width: 768px) {
    .editor-header {
        padding: 1rem;
    }
}

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

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca3f; }

.editor-title {
    margin-left: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
}

@media (min-width: 768px) {
    .editor-title {
        font-size: 0.875rem;
        margin-left: 1rem;
    }
}

.code-snippet {
    padding: 1rem;
    margin: 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    line-height: 1.5;
}

@media (min-width: 768px) {
    .code-snippet {
        padding: 1.5rem;
        font-size: 0.875rem;
    }
}

/* ====================
   9. ABOUT SECTION
   ==================== */

.about-grid {
    display: grid;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.image-badge {
    position: absolute;
    bottom: -1rem;
    right: 2rem;
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

/* About Highlights */
.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.highlight-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem;
    text-align: center;
    transition: all var(--transition);
}

.highlight-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    color: white;
    font-size: 1.25rem;
}

.highlight-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.highlight-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

/* About Details */
.about-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.detail-card {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem;
    transition: all var(--transition);
}

.detail-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.detail-card i {
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.detail-card h5 {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.detail-card p {
    font-size: 0.875rem;
    margin: 0;
    color: var(--text-primary);
}

.detail-card small {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.25rem;
}

/* ====================
   10. TIMELINE (ESTRUTURA)
   ==================== */

.about-timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
    padding: 2rem 0;
}

.about-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-weight: 700;
    z-index: 1;
    box-shadow: var(--shadow);
    min-width: 80px;
    text-align: center;
}

.timeline-content {
    width: 45%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 2rem;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 2rem;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -40px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -40px;
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.timeline-content h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* ====================
   11. SKILLS SECTION
   ==================== */

.skills-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.skill-category {
    background: var(--bg-secondary);
    border-radius: 1.5rem;
    padding: 2rem;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.skill-category:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.skill-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.skill-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.skill-level {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.skill-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

/* ====================
   12. PROJECTS SECTION
   ==================== */

.project-filters {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.projects-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    background: var(--bg-secondary);
    border-radius: 1.5rem;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.project-image {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity var(--transition);
}

.light-theme .project-overlay {
    background: rgba(255, 255, 255, 0.9);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
}

.project-links {
    display: flex;
    gap: 1rem;
}

/* ====================
   13. TESTIMONIALS (ESTRUTURA)
   ==================== */

.testimonials-section {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.testimonials-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
}

.testimonials-slider {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.testimonial-track {
    display: flex;
    gap: 2rem;
}

.testimonial-card {
    min-width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

@media (min-width: 768px) {
    .testimonial-card {
        min-width: calc(50% - 1rem);
    }
}

@media (min-width: 992px) {
    .testimonial-card {
        min-width: calc(33.333% - 1.333rem);
    }
}

.testimonial-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.testimonial-content {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 3rem;
    color: var(--primary);
    opacity: 0.3;
    font-family: serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.testimonial-author h5 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.testimonial-author p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-top: 0.5rem;
}

.testimonial-rating i {
    color: var(--warning);
    font-size: 0.875rem;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.testimonial-nav button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-nav button:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: scale(1.1);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
}

.testimonial-dot.active {
    background: var(--primary);
}

/* ====================
   14. CONTACT SECTION
   ==================== */

.contact-grid {
    display: grid;
    gap: 4rem;
}

@media (min-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-link {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

.contact-link:hover {
    text-decoration: underline;
}

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

.contact-note {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.contact-form {
    background: var(--bg-secondary);
    border-radius: 1.5rem;
    padding: 3rem;
    border: 1px solid var(--border);
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input.error {
    border-color: var(--danger);
}

.form-input.success {
    border-color: var(--accent);
}

.error-message {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    height: auto;
    margin-top: 0.5rem;
}

textarea.form-input {
    min-height: 150px;
    resize: vertical;
}

/* ====================
   15. CTA SECTION
   ==================== */

.cta-section {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
    color: white;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 4rem 0;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.cta-content > p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    color: white;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.cta-actions .btn {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 1rem 2rem;
    font-size: 1rem;
}

.cta-actions .btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.cta-actions .btn-primary {
    background: white;
    color: var(--primary);
    font-weight: 600;
}

.cta-actions .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

.cta-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.cta-stat {
    text-align: center;
}

.cta-stat .number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.cta-stat .label {
    font-size: 0.875rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ====================
   16. FOOTER
   ==================== */

.footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-title {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0;
    display: block;
    transition: color var(--transition);
}

.footer-link:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright p {
    margin: 0;
    font-size: 0.875rem;
}

.footer-newsletter {
    display: flex;
    gap: 0.5rem;
}

.footer-newsletter input {
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    min-width: 200px;
    font-family: inherit;
}

.footer-newsletter input:focus {
    outline: none;
    border-color: var(--primary);
}

.footer-newsletter button {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    font-weight: 500;
}

.footer-newsletter button:hover {
    transform: translateY(-2px);
}

/* ====================
   17. UTILIDADES
   ==================== */

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 1rem;
}

.fs-3 {
    font-size: 1.5rem;
}

.fs-4 {
    font-size: 1.25rem;
}

.fw-bold {
    font-weight: 700;
}

.text-decoration-none {
    text-decoration: none;
}

/* ====================
   18. ELEMENTOS FLUTUANTES
   ==================== */

.floating-element {
    position: absolute;
    pointer-events: none;
    z-index: -1;
}

.floating-element.shape-1 {
    top: 20%;
    left: 5%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
}

.floating-element.shape-2 {
    bottom: 20%;
    right: 5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
}

/* ====================
   19. SCROLL PROGRESS
   ==================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 1001;
}

/* ====================
   20. THEME TOGGLE
   ==================== */

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    z-index: 999;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(180deg);
}

/* ====================
   21. LOADING
   ==================== */

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
}

/* ====================
   22. BACK TO TOP
   ==================== */

.back-to-top {
    position: fixed;
    bottom: 5rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ====================
   23. WHATSAPP FLOAT
   ==================== */

.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 20px;
    background: #25D366;
    color: white;
    border-radius: 50px;
    padding: 12px 20px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    z-index: 998;
    transform: translateX(150%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.whatsapp-float.show {
    transform: translateX(0);
    opacity: 1;
}

.whatsapp-float a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.whatsapp-float i {
    font-size: 1.5rem;
}

.close-whatsapp {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    margin-left: 5px;
}

/* ====================
   24. NOTIFICAÇÕES
   ==================== */

.notification-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 350px;
}

.notification {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary);
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification.success {
    border-left-color: var(--accent);
    background: rgba(16, 185, 129, 0.1);
}

.notification.error {
    border-left-color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.notification.warning {
    border-left-color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.notification.info {
    border-left-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

.notification i {
    font-size: 1.25rem;
}

.notification.success i {
    color: var(--accent);
}

.notification.error i {
    color: var(--danger);
}

.notification.warning i {
    color: var(--warning);
}

.notification.info i {
    color: var(--primary);
}

.close-notification {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
}

.close-notification:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

/* ====================
   25. SCROLLBAR
   ==================== */

::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

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

/* ====================
   26. PWA STYLES
   ==================== */

.pwa-install-btn {
    position: fixed;
    bottom: 100px;
    right: 20px;
    z-index: 9999;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.pwa-install-btn.show {
    opacity: 1;
    transform: translateY(0);
}

.pwa-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    z-index: 10000;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    border-left: 4px solid #10b981;
}

.pwa-notification.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-left-color: #2563eb;
}

.pwa-notification.info {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    border-left-color: #f59e0b;
}

/* ====================
   27. RESPONSIVIDADE
   ==================== */

@media (max-width: 768px) {
    :root {
        --section-py: 4rem;
    }

    .hero {
        padding-top: 8rem;
        padding-bottom: 3rem;
    }
    
    .floating-tech-stack {
        gap: 0.75rem;
    }
    
    .tech-item {
        width: 65px;
        height: 65px;
    }
    
    .tech-item i {
        font-size: 1.25rem;
    }
    
    .tech-item span {
        font-size: 0.65rem;
    }
    
    .hero-cta {
        gap: 0.5rem;
    }
    
    .hero-cta .btn {
        padding: 0.75rem 1rem;
        font-size: 0.8rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .footer-newsletter {
        flex-direction: column;
        width: 100%;
    }

    .footer-newsletter input {
        min-width: 100%;
    }

    /* Timeline mobile */
    .about-timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-left: 60px;
        margin-bottom: 2rem;
    }
    
    .timeline-year {
        left: 0;
        transform: translateX(-50%);
    }
    
    .timeline-content {
        width: 100%;
        margin: 0 !important;
    }
    
    .timeline-content::before {
        left: -40px !important;
        right: auto !important;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.75rem;
    }
    
    .typing-container {
        font-size: 1.1rem;
        min-height: 50px;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
        margin-top: 0.5rem;
    }
    
    .tech-item {
        width: 60px;
        height: 60px;
    }
    
    .tech-item i {
        font-size: 1.1rem;
    }
    
    .tech-item span {
        font-size: 0.6rem;
    }
    
    .hero-cta .btn {
        padding: 0.6rem 0.75rem;
        font-size: 0.75rem;
        min-width: 120px;
    }
    
    .code-snippet {
        font-size: 0.7rem;
        padding: 0.75rem;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-item {
        min-width: 70px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.65rem;
    }

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

    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .project-links {
        flex-direction: column;
    }
}

/* iPhone SE */
@media (max-width: 375px) {
    .hero-text h1 {
        font-size: 1.5rem;
    }
    
    .typing-container {
        font-size: 1rem;
        min-height: 45px;
    }
    
    .hero-badge {
        font-size: 0.7rem;
        padding: 0.35rem 0.6rem;
    }
    
    .tech-item {
        width: 55px;
        height: 55px;
    }
    
    .tech-item i {
        font-size: 1rem;
    }
    
    .tech-item span {
        font-size: 0.55rem;
    }
    
    .hero-cta .btn {
        padding: 0.5rem 0.6rem;
        font-size: 0.7rem;
        min-width: 110px;
    }
    
    .hero-cta .btn i {
        font-size: 0.8rem;
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
    
    .stat-label {
        font-size: 0.6rem;
    }
}

/* Tablet landscape */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .typing-container {
        font-size: 1.3rem;
        min-height: 60px;
    }
    
    .floating-tech-stack {
        margin: 1.5rem 0;
    }
    
    .tech-item {
        width: 70px;
        height: 70px;
    }
}

/* Mobile landscape */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 6rem 0 3rem;
    }

    .hero-text h1 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .typing-container {
        min-height: 40px;
        margin: 0.5rem 0;
        font-size: 1rem;
    }
    
    .hero-subtitle {
        font-size: 0.875rem;
        margin-bottom: 1rem;
    }
    
    .floating-tech-stack {
        margin: 1rem 0;
    }
    
    .tech-item {
        width: 60px;
        height: 60px;
        padding: 0.5rem;
    }
    
    .tech-item i {
        font-size: 1rem;
        margin-bottom: 0.25rem;
    }
    
    .hero-cta {
        margin-bottom: 1.5rem;
    }
    
    .hero-cta .btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

/* ====================
   28. FIX PARA PWA
   ==================== */

@media (display-mode: standalone) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
    
    .header {
        position: sticky;
        top: 0;
        z-index: 1000;
        padding-top: env(safe-area-inset-top);
        background: var(--bg-primary);
    }
    
    .pwa-install-btn {
        display: none !important;
    }
}

/* ====================
   29. ACESSIBILIDADE
   ==================== */

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

::selection {
    background: var(--primary);
    color: white;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ====================
   30. CLEARFIX
   ==================== */

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* ====================
   31. VISIBILITY
   ==================== */

.visible {
    visibility: visible;
}

.hidden {
    visibility: hidden;
}

/* ============================================
   MINI-BOOTSTRAP UTILITIES
   ============================================ */

/* Container Responsivo */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }

/* Display */
.d-flex { display: flex !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-none { display: none !important; }
.d-grid { display: grid !important; }

@media (min-width: 768px) {
    .d-md-flex { display: flex !important; }
    .d-md-block { display: block !important; }
    .d-md-none { display: none !important; }
}

@media (min-width: 992px) {
    .d-lg-flex { display: flex !important; }
    .d-lg-block { display: block !important; }
    .d-lg-none { display: none !important; }
}

/* Flexbox */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-row-reverse { flex-direction: row-reverse !important; }
.flex-column-reverse { flex-direction: column-reverse !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-fill { flex: 1 1 auto !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }

/* Align Items */
.align-items-start { align-items: flex-start !important; }
.align-items-center { align-items: center !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-stretch { align-items: stretch !important; }
.align-items-baseline { align-items: baseline !important; }

/* Justify Content */
.justify-content-start { justify-content: flex-start !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }
.justify-content-evenly { justify-content: space-evenly !important; }

/* Align Self */
.align-self-start { align-self: flex-start !important; }
.align-self-center { align-self: center !important; }
.align-self-end { align-self: flex-end !important; }
.align-self-stretch { align-self: stretch !important; }
.align-self-baseline { align-self: baseline !important; }

/* Gap */
.gap-0 { gap: 0 !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }
.gap-5 { gap: 3rem !important; }

/* Margin */
.m-0 { margin: 0 !important; }
.m-1 { margin: 0.25rem !important; }
.m-2 { margin: 0.5rem !important; }
.m-3 { margin: 1rem !important; }
.m-4 { margin: 1.5rem !important; }
.m-5 { margin: 3rem !important; }
.m-auto { margin: auto !important; }

/* Margin Top */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }
.mt-auto { margin-top: auto !important; }

/* Margin Bottom */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.mb-auto { margin-bottom: auto !important; }

/* Margin Left/Right */
.ms-0 { margin-left: 0 !important; }
.ms-1 { margin-left: 0.25rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.ms-3 { margin-left: 1rem !important; }
.ms-4 { margin-left: 1.5rem !important; }
.ms-5 { margin-left: 3rem !important; }
.ms-auto { margin-left: auto !important; }

.me-0 { margin-right: 0 !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.me-4 { margin-right: 1.5rem !important; }
.me-5 { margin-right: 3rem !important; }
.me-auto { margin-right: auto !important; }

/* Margin X/Y */
.mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
.mx-1 { margin-left: 0.25rem !important; margin-right: 0.25rem !important; }
.mx-2 { margin-left: 0.5rem !important; margin-right: 0.5rem !important; }
.mx-3 { margin-left: 1rem !important; margin-right: 1rem !important; }
.mx-4 { margin-left: 1.5rem !important; margin-right: 1.5rem !important; }
.mx-5 { margin-left: 3rem !important; margin-right: 3rem !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.my-1 { margin-top: 0.25rem !important; margin-bottom: 0.25rem !important; }
.my-2 { margin-top: 0.5rem !important; margin-bottom: 0.5rem !important; }
.my-3 { margin-top: 1rem !important; margin-bottom: 1rem !important; }
.my-4 { margin-top: 1.5rem !important; margin-bottom: 1.5rem !important; }
.my-5 { margin-top: 3rem !important; margin-bottom: 3rem !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }

/* Padding */
.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

/* Padding Top */
.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pt-5 { padding-top: 3rem !important; }

/* Padding Bottom */
.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 0.25rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

/* Text */
.text-start { text-align: left !important; }
.text-center { text-align: center !important; }
.text-end { text-align: right !important; }
.text-justify { text-align: justify !important; }

.text-decoration-none { text-decoration: none !important; }
.text-decoration-underline { text-decoration: underline !important; }
.text-decoration-line-through { text-decoration: line-through !important; }

.text-lowercase { text-transform: lowercase !important; }
.text-uppercase { text-transform: uppercase !important; }
.text-capitalize { text-transform: capitalize !important; }

/* Font Weight */
.fw-light { font-weight: 300 !important; }
.fw-normal { font-weight: 400 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-semibold { font-weight: 600 !important; }
.fw-bold { font-weight: 700 !important; }
.fw-bolder { font-weight: 800 !important; }

/* Font Size */
.fs-1 { font-size: 2.5rem !important; }
.fs-2 { font-size: 2rem !important; }
.fs-3 { font-size: 1.75rem !important; }
.fs-4 { font-size: 1.5rem !important; }
.fs-5 { font-size: 1.25rem !important; }
.fs-6 { font-size: 1rem !important; }

/* Line Height */
.lh-1 { line-height: 1 !important; }
.lh-sm { line-height: 1.25 !important; }
.lh-base { line-height: 1.5 !important; }
.lh-lg { line-height: 2 !important; }

/* Width & Height */
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }
.w-auto { width: auto !important; }

.h-25 { height: 25% !important; }
.h-50 { height: 50% !important; }
.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }
.h-auto { height: auto !important; }

.vw-100 { width: 100vw !important; }
.vh-100 { height: 100vh !important; }
.min-vw-100 { min-width: 100vw !important; }
.min-vh-100 { min-height: 100vh !important; }

/* Position */
.position-static { position: static !important; }
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

.top-0 { top: 0 !important; }
.top-50 { top: 50% !important; }
.top-100 { top: 100% !important; }

.bottom-0 { bottom: 0 !important; }
.bottom-50 { bottom: 50% !important; }
.bottom-100 { bottom: 100% !important; }

.start-0 { left: 0 !important; }
.start-50 { left: 50% !important; }
.start-100 { left: 100% !important; }

.end-0 { right: 0 !important; }
.end-50 { right: 50% !important; }
.end-100 { right: 100% !important; }

.translate-middle { transform: translate(-50%, -50%) !important; }
.translate-middle-x { transform: translateX(-50%) !important; }
.translate-middle-y { transform: translateY(-50%) !important; }

/* Border */
.border { border: 1px solid var(--border) !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid var(--border) !important; }
.border-top-0 { border-top: 0 !important; }
.border-bottom { border-bottom: 1px solid var(--border) !important; }
.border-bottom-0 { border-bottom: 0 !important; }
.border-start { border-left: 1px solid var(--border) !important; }
.border-start-0 { border-left: 0 !important; }
.border-end { border-right: 1px solid var(--border) !important; }
.border-end-0 { border-right: 0 !important; }

.border-primary { border-color: var(--primary) !important; }
.border-secondary { border-color: var(--secondary) !important; }

.rounded { border-radius: 0.25rem !important; }
.rounded-0 { border-radius: 0 !important; }
.rounded-1 { border-radius: 0.2rem !important; }
.rounded-2 { border-radius: 0.25rem !important; }
.rounded-3 { border-radius: 0.3rem !important; }
.rounded-circle { border-radius: 50% !important; }
.rounded-pill { border-radius: 50rem !important; }

/* Shadow */
.shadow { box-shadow: var(--shadow) !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-none { box-shadow: none !important; }

/* Opacity */
.opacity-0 { opacity: 0 !important; }
.opacity-25 { opacity: 0.25 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

/* Overflow */
.overflow-auto { overflow: auto !important; }
.overflow-hidden { overflow: hidden !important; }
.overflow-visible { overflow: visible !important; }
.overflow-scroll { overflow: scroll !important; }

/* Z-index */
.z-0 { z-index: 0 !important; }
.z-1 { z-index: 1 !important; }
.z-2 { z-index: 2 !important; }
.z-3 { z-index: 3 !important; }
.z-999 { z-index: 999 !important; }
.z-1000 { z-index: 1000 !important; }
.z-1001 { z-index: 1001 !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

/* User Select */
.user-select-all { user-select: all !important; }
.user-select-auto { user-select: auto !important; }
.user-select-none { user-select: none !important; }

/* Visibility */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* Responsive utilities for mobile */
@media (max-width: 767px) {
    .d-sm-none { display: none !important; }
    .d-sm-block { display: block !important; }
    .text-sm-center { text-align: center !important; }
    .flex-sm-column { flex-direction: column !important; }
}

/* ====================
   32. POSITIONING
   ==================== */

.position-relative {
    position: relative;
}

.position-absolute {
    position: absolute;
}

.position-fixed {
    position: fixed;
}

.position-sticky {
    position: sticky;
}

/* ====================
   33. Z-INDEX
   ==================== */

.z-1 { z-index: 1; }
.z-2 { z-index: 2; }
.z-3 { z-index: 3; }
.z-999 { z-index: 999; }
.z-1000 { z-index: 1000; }
.z-1001 { z-index: 1001; }

/* ====================
   34. WIDTH & HEIGHT
   ==================== */

.w-100 { width: 100%; }
.h-100 { height: 100%; }
.vh-100 { height: 100vh; }

/* ====================
   35. OVERFLOW
   ==================== */

.overflow-hidden {
    overflow: hidden;
}

.overflow-auto {
    overflow: auto;
}

.overflow-x-auto {
    overflow-x: auto;
}

.overflow-y-auto {
    overflow-y: auto;
}