/* ============================================
   Portfólio Profissional - Keven Castilho
   Design Premium com HTML5, CSS3, Bootstrap 5
   ============================================ */

:root {
    --primary-dark: #0A0E27;
    --primary-blue: #1E3A8A;
    --accent-blue: #3B82F6;
    --accent-gold: #D4AF37;
    --bg-secondary: #2D3142;
    --border-color: #3F4557;
    --text-primary: #FAFAFA;
    --text-secondary: #9CA3AF;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-gold);
}

/* ============ NAVBAR ============ */
.navbar {
    background-color: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(63, 69, 87, 0.3);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-brand {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-primary) !important;
}

.brand-symbol {
    color: var(--accent-blue);
    margin-right: 0.5rem;
    width: 25px;
    height: 25px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary) !important;
    position: relative;
    transition: var(--transition);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: var(--accent-blue) !important;
}

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

/* ============ HERO SECTION ============ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    margin-top: 60px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero-bg.png') center/cover no-repeat;
    opacity: 0.4;
    z-index: 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.8), rgba(30, 58, 138, 0.4));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    line-height: 1.1;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-visual {
    width: 300px;
    height: 300px;
    background-image:
        linear-gradient(135deg,
            rgba(59, 130, 246, .15),
            rgba(0, 0, 0, .4)),
        url("https://kevencastilho.com.br/KC_logo.png");
    
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover, 100% 100%;
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    animation: float 3s ease-in-out infinite;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============ BUTTONS ============ */
.btn {
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
    border: none;
}

.btn-primary {
    padding: 16px 2rem 10px 2rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--text-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
    color: var(--text-primary);
}

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

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

/* ============ SEÇÕES GERAIS ============ */
section {
    scroll-margin-top: 80px;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
    border-radius: 2px;
}

.section-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* ============ ABOUT SECTION ============ */
.about-section {
    background-color: var(--primary-dark);
}

.about-visual {
    position: relative;
    height: 400px;
    background-image:
        linear-gradient(135deg,
            rgba(59, 130, 246, 0.1),
            rgba(212, 175, 55, 0.05)),
        url("https://kevencastilho.com.br/assets/css/images/avatar.jpg");
    
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    overflow: hidden;
}

.visual-accent {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2), transparent);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.highlight-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.highlight-item:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-blue);
    transform: translateY(-5px);
}

.highlight-icon {
    font-size: 1.5rem;
}

.highlight-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.highlight-item p {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
}

/* ============ EXPERIENCE SECTION ============ */
.experience-section {
    background-color: var(--primary-dark);
}

.experience-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/experience-pattern.png') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-gold));
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
    margin-left: 100px;
}

.timeline-marker {
    position: absolute;
    left: -70px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--accent-blue);
    border: 3px solid var(--primary-dark);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
    transition: var(--transition);
}

.timeline-item:hover .timeline-marker {
    width: 24px;
    height: 24px;
    left: -73px;
    top: 5px;
    background: var(--accent-gold);
}

.timeline-card {
    padding: 2rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.timeline-card:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-blue);
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

.timeline-header {
    margin-bottom: 1rem;
}

.timeline-header h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--accent-blue);
    font-weight: 600;
}

.timeline-list {
    list-style: none;
    margin: 0;
}

.timeline-list li {
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    position: relative;
}

.timeline-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

@media (max-width: 768px) {
    .timeline::before {
        left: 8px;
    }

    .timeline-item {
        margin-left: 40px;
    }

    .timeline-marker {
        left: -22px;
    }

    .timeline-item:hover .timeline-marker {
        left: -22px;
    }
}

/* ============ SKILLS SECTION ============ */
.skills-section {
    background-color: var(--primary-dark);
}

.skills-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/skills-bg.png') center/cover no-repeat;
    opacity: 0.12;
    z-index: 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    padding: 2rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.skill-category:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-blue);
    transform: translateY(-5px);
}

.skill-category-title {
    font-size: 1.1rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: default;
}

.skill-tag:hover {
    background-color: rgba(59, 130, 246, 0.2);
    transform: scale(1.05);
}

.skill-tag.accent {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background-color: rgba(212, 175, 55, 0.05);
}

.skill-tag.accent:hover {
    background-color: rgba(212, 175, 55, 0.15);
}

/* ============ EDUCATION SECTION ============ */
.education-section {
    background-color: var(--primary-dark);
}

.education-card {
    padding: 2rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.education-card:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-blue);
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

.education-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.education-card h5 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.education-meta {
    font-size: 0.9rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.education-period {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ============ CONTACT SECTION ============ */
.contact-section {
    background-color: var(--primary-dark);
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    color: var(--text-primary);
}

.contact-method:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-blue);
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-top: 0.25rem;
}

.contact-method h6 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-method p {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
}

.contact-method:hover p {
    color: var(--accent-blue);
}

/* ============ PROJECTS SECTION ============ */
.projects-section {
    background-color: var(--primary-dark);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.project-card {
    padding: 2rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    text-align: center;
}

.project-card:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-blue);
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

.project-image {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.project-card:hover .project-image {
    transform: scale(1.1) rotate(5deg);
    color: var(--accent-gold);
}

.project-info h5 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.project-info p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    font-weight: 600;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--accent-gold);
    transform: translateX(5px);
}

/* ============ LANGUAGES SECTION ============ */
.languages-section {
    background-color: var(--primary-dark);
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.language-card {
    padding: 2rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.language-card:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-blue);
    transform: translateY(-5px);
}

.language-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.language-header h5 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0;
}

.language-loc {
    font-size: 0.9rem;
    color: var(--accent-blue);
    font-weight: 600;
}

.language-bar {
    width: 100%;
    height: 8px;
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.language-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
    border-radius: 4px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.language-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

@media (max-width: 576px) {
    #linguagensChart {
        display: none !important;
    }
}

/* ============ DIPLOMAS SECTION ============ */
.diplomas-section {
    background-color: var(--primary-dark);
}

.diplomas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.diploma-card {
    padding: 2rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    text-align: center;
}

.diploma-card:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-gold);
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(212, 175, 55, 0.15);
}

.diploma-image {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.diploma-card:hover .diploma-image {
    transform: scale(1.15) rotate(-5deg);
}

.diploma-info h5 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.diploma-institution {
    font-size: 0.95rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.diploma-period {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.diploma-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Garante posicionamento relativo da seção */
.diplomas-section {
    position: relative;
}

/* Controles do Bootstrap fora do carrossel */
.carousel-control-prev,
.carousel-control-next {
    width: 44px;
    height: 44px;
    top: calc(50% - 22px);
    opacity: .65;
}

/* Posiciona as setas para fora da área dos cards */
.carousel-control-prev {
    left: -28px;
}

.carousel-control-next {
    right: -28px;
}

/* Espaçadores ocupam espaço mas não mostram nada */
.diploma-card.spacer {
    visibility: hidden;
    pointer-events: none;
}

/* Opcional: melhora contraste do ícone */
.carousel-control-prev-icon,
.carousel-control-next-icon {
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, .35));
}

@media (max-width: 576px) {

    .carousel-control-prev,
    .carousel-control-next {
        display: none;
    }
}

/* ============ STATS SECTION ============ */
.stats-section {
    background-color: var(--primary-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    padding: 2rem;
    background-color: rgba(45, 49, 66, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    background-color: rgba(45, 49, 66, 0.8);
    border-color: var(--accent-blue);
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.counter {
    font-family: 'Poppins', sans-serif;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ============ FOOTER ============ */
.footer {
    background-color: rgba(10, 14, 39, 0.8);
    border-top: 1px solid rgba(63, 69, 87, 0.3);
}

.footer-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ============ RESPONSIVIDADE ============ */
@media (max-width: 768px) {
    .hero-section {
        min-height: 80vh;
        padding-bottom: 20px;
        margin-top: 76px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

    .contact-methods {
        grid-template-columns: 1fr;
    }
}

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

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar {
    width: 10px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}