/* ============================================
   VARIÁVEIS CSS PERSONALIZADAS
   ============================================ */
:root {
    /* Cores Principais */
    --color-primary: #00ff88;
    --color-primary-dark: #00cc6a;
    --color-secondary: #0066ff;
    --color-secondary-light: #3385ff;
    --color-accent: #ff6b35;
    --color-dark: #0f172a;
    --color-dark-secondary: #1a2332;
    --color-dark-tertiary: #111827;
    --color-light: #e0e0e0;
    --color-light-secondary: #a0aec0;
    --color-border: rgba(0, 255, 136, 0.1);
    
    /* Espaçamento */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Tipografia */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', monospace;
    
    /* Transições */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
}

/* ============================================
   RESET E BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--color-dark);
    color: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

p {
    color: var(--color-light-secondary);
}

a {
    color: var(--color-primary);
    transition: color var(--transition-normal);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ============================================
   UTILITÁRIOS
   ============================================ */

/* Gradiente de Texto */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Background Dark Customizado */
.bg-dark-custom {
    background-color: var(--color-dark) !important;
}

.bg-dark-footer {
    background-color: var(--color-dark-tertiary);
}

/* Bordas */
.border-custom {
    border: 1px solid var(--color-border) !important;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(15, 23, 42, 0.95) !important;
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.navbar-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-light) !important;
    transition: all var(--transition-normal);
}

.navbar-brand:hover {
    transform: translateX(5px);
}

.logo-badge {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    color: var(--color-dark);
    font-size: 0.9rem;
}

.navbar-nav .nav-link {
    color: var(--color-light-secondary) !important;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-normal);
    padding-bottom: 0.5rem;
}

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

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

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--color-primary) !important;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    overflow: hidden;
}

.animated-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 102, 255, 0.1) 0%, transparent 50%);
    animation: gradientShift 8s ease infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes gradientShift {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(30px, 30px);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-image {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}

/* Profile Card */
.profile-card {
    position: relative;
    width: 320px;
    height: 380px;
    margin: 0 auto;
}

.profile-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    z-index: -1;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-border);
    object-fit: cover;
    transition: transform var(--transition-normal);
    box-shadow: 0 20px 60px rgba(0, 255, 136, 0.2);
}

.profile-card:hover .profile-image {
    transform: translateY(-10px);
}

.profile-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    animation: slideUp 0.5s ease 0.5s both;
}

/* Stat Badges */
.stat-badge {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    border: 1px solid var(--color-border);
    padding: 1rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-badge:hover {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2) 0%, rgba(0, 102, 255, 0.2) 100%);
    transform: translateY(-5px);
}

.stat-badge strong {
    display: block;
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

.stat-badge small {
    color: var(--color-light-secondary);
    font-size: 0.85rem;
}

/* CTA Buttons */
.btn {
    transition: all var(--transition-normal);
    border: none;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-dark) !important;
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.3);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 255, 136, 0.4);
    color: var(--color-dark) !important;
}

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

.btn-outline-accent:hover {
    background: var(--color-primary);
    color: var(--color-dark) !important;
    transform: translateY(-3px);
}

/* Social Links */
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-dark);
    transform: translateY(-5px) scale(1.1);
    border-color: var(--color-primary);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    cursor: pointer;
    animation: bounce 2s infinite;
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    font-size: 0.9rem;
    color: var(--color-light-secondary);
    margin-bottom: 0.5rem;
}

.scroll-indicator i {
    display: block;
    color: var(--color-primary);
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* ============================================
   SEÇÃO GERAL
   ============================================ */
.section-spacing {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* ============================================
   SEÇÃO SOBRE
   ============================================ */
.specialty-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    text-align: center;
}

.specialty-card:hover {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.1);
}

.specialty-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.specialty-card h4 {
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   ESTATÍSTICAS
   ============================================ */
.stats-section {
    position: relative;
    overflow: hidden;
}

.stat-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.08) 0%, rgba(0, 102, 255, 0.08) 100%);
    border: 1px solid var(--color-border);
    padding: var(--spacing-2xl) var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.5rem;
    margin-left: -0.5rem;
}

.stat-card p {
    margin-top: var(--spacing-md);
    color: var(--color-light-secondary);
}

/* ============================================
   BADGES TECNOLOGIAS
   ============================================ */
.badge-tech {
    display: inline-block;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    cursor: default;
}

.badge-tech:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-dark);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.badge-accent {
    color: var(--color-primary);
    background: none;
    padding: 0;
}

/* ============================================
   PROJETOS
   ============================================ */
.filter-btn {
    background: transparent;
    border: 2px solid transparent;
    color: var(--color-light-secondary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-dark);
    border-color: transparent;
}

.project-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.project-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 255, 136, 0.15);
}

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--color-dark-tertiary);
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.project-info {
    padding: var(--spacing-lg);
}

.project-info h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.badge-project {
    display: inline-block;
    background: rgba(0, 255, 136, 0.15);
    color: var(--color-primary);
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

/* ============================================
   IMPACT CARDS
   ============================================ */
.impact-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.08) 0%, rgba(0, 102, 255, 0.08) 100%);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.impact-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.12);
}

.impact-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.impact-card h4 {
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
}

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

/* ============================================
   ESPECIALIDADES
   ============================================ */
.spec-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: default;
}

.spec-card:hover {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    transform: translateY(-8px) scale(1.05);
}

.spec-card i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    display: block;
}

.spec-card h5 {
    color: var(--color-light);
    font-size: 1rem;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding: var(--spacing-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 50%, transparent 100%);
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-marker {
    left: auto;
    right: calc(50% + 20px);
}

.timeline-item:nth-child(even) .timeline-marker {
    left: calc(50% + 20px);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: auto;
    width: 45%;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
    width: 45%;
    text-align: left;
}

.timeline-marker {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border: 3px solid var(--color-dark);
    border-radius: 50%;
    display: block;
    box-shadow: 0 0 0 6px rgba(0, 255, 136, 0.1);
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-dot {
    box-shadow: 0 0 0 12px rgba(0, 255, 136, 0.2);
    transform: scale(1.3);
}

.timeline-content {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-content {
    border-color: var(--color-primary);
    box-shadow: 0 15px 35px rgba(0, 255, 136, 0.1);
}

.timeline-header h4 {
    color: var(--color-light);
}

.badge-exp {
    display: inline-block;
    background: rgba(0, 255, 136, 0.15);
    color: var(--color-primary);
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

/* ============================================
   CERTIFICAÇÕES
   ============================================ */
.cert-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.cert-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.12);
}

.cert-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.cert-card h5 {
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   CONTATO
   ============================================ */
.contact-link-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    color: inherit;
}

.contact-link-card:hover {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    transform: translateY(-5px);
}

.contact-link-card i {
    font-size: 1.8rem;
    color: var(--color-primary);
}

.contact-link-card h6 {
    color: var(--color-light);
    margin: 0;
}

/* Formulário de Contato */
.contact-form {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.form-control-custom {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-light);
    transition: all var(--transition-normal);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
}

.form-control-custom::placeholder {
    color: var(--color-light-secondary);
}

.form-control-custom:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary);
    color: var(--color-light);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

/* ============================================
   MODAL DE SUCESSO
   ============================================ */
.modal-backdrop {
    background-color: rgba(15, 23, 42, 0.8);
}

.modal-content {
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.98) 0%, rgba(17, 24, 39, 0.98) 100%) !important;
    border: 2px solid var(--color-primary) !important;
    box-shadow: 0 25px 50px rgba(0, 255, 136, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.modal-header {
    border-color: rgba(0, 255, 136, 0.2) !important;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
}

.modal-footer {
    border-color: rgba(0, 255, 136, 0.2) !important;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 255, 136, 0.05) 100%);
}

.modal-title {
    color: var(--color-light) !important;
    font-weight: 600;
    font-size: 1.3rem;
}

.modal-body {
    color: var(--color-light) !important;
    padding: 1.5rem;
    line-height: 1.8;
}

.modal-body p {
    margin-bottom: 1rem;
}

.modal-body .text-secondary {
    color: var(--color-light-secondary) !important;
}

.modal-body strong {
    color: var(--color-primary);
    font-weight: 600;
}

.modal-body .small {
    color: var(--color-light-secondary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-close-white {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.8;
}

.btn-close-white:hover {
    opacity: 1;
}

.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: scale(1);
}

/* ============================================
   ANIMAÇÕES
   ============================================ */

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
    animation-delay: 0.2s;
}

.fade-in-delay {
    animation-delay: 0.4s;
}

/* Slide Up */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.5s ease-out forwards;
}

/* Float */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* Scroll Spy Behavior */
.nav-link {
    position: relative;
}

/* ============================================
   VIEWPORT ANIMATIONS
   ============================================ */
.observer-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.observer-element.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Large Devices (desktops, 992px and up) */
@media (max-width: 991.98px) {
    .timeline::before {
        left: auto;
        right: 0;
    }
    
    .timeline-item:nth-child(odd) .timeline-marker,
    .timeline-item:nth-child(even) .timeline-marker {
        left: auto;
        right: -10px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: 100%;
        text-align: left;
        margin-left: 0;
        margin-right: 0;
        margin-left: 30px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-section .row {
        gap: 2rem !important;
    }
}

/* Tablets (768px and up) */
@media (max-width: 767.98px) {
    .hero-section {
        padding-top: 6rem !important;
    }
    
    .profile-card {
        width: 260px;
        height: 320px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .h3 {
        font-size: 1.3rem;
    }
    
    .lead {
        font-size: 1rem;
    }
}

/* Small Devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) {
    :root {
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
    
    .hero-section {
        padding: 5rem 0 !important;
    }
    
    .profile-card {
        width: 100%;
        max-width: 260px;
        height: auto;
    }
    
    .section-spacing {
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .display-4 {
        font-size: 1.5rem;
    }
    
    .h3 {
        font-size: 1.1rem;
    }
    
    .lead {
        font-size: 0.95rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .badge-tech,
    .badge-exp,
    .badge-project {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .logo-badge {
        width: 35px;
        height: 35px;
        font-size: 0.8rem;
    }
    
    .scroll-indicator {
        bottom: 20px;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 25px;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .project-image {
        height: 180px;
    }
}

/* Extra Small Devices */
@media (max-width: 360px) {
    .display-4 {
        font-size: 1.25rem;
    }
    
    .stat-badge {
        padding: 0.75rem 0.5rem;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
}

/* ============================================
   DARK MODE - JÁ ATIVO POR DEFAULT
   ============================================ */
@media (prefers-color-scheme: dark) {
    body {
        background: var(--color-dark);
        color: var(--color-light);
    }
}

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

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .navbar,
    .scroll-indicator,
    .social-link,
    .btn {
        display: none;
    }
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    text-decoration: none;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.3);
    transition: all var(--transition-normal);
    z-index: 1000;
    animation: floatPulse 3s ease-in-out infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
    bottom: 2.3rem;
}

@keyframes floatPulse {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Mobile Adjustment */
@media (max-width: 576px) {
    .floating-whatsapp {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }
}