/* 
    ESTILO PRINCIPAL - PORTFÓLIO ANALISTA DE DADOS
    Foco: Responsividade Total e Design Moderno
*/

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark: #0f172a;
    --text-main: #1e293b;
    --text-muted: #475569;
    --text-light: #94a3b8;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --container-width: 1100px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden; /* Evita scroll horizontal */
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-white);
    overflow-x: hidden;
    width: 100%;
}

ul {
    list-style: none;
}

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

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

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

.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: var(--primary-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); }
.text-white { color: var(--white); }
.text-light { color: var(--text-light); }

/* Header & Nav */
header {
    height: 70px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

header.scrolled {
    height: 60px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
}

.code-tag {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 0 60px;
    background: radial-gradient(circle at top right, #eff6ff 0%, #ffffff 50%);
}

.headline {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

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

.subheadline {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Carrossel Infinito de Tags */
.hero-tags-container {
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    margin: 0 auto 2.5rem;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.hero-tags {
    display: flex;
    width: max-content;
    gap: 1rem;
    animation: scroll-tags 25s linear infinite;
}

.hero-tags:hover {
    animation-play-state: paused;
}

.hero-tags span {
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

@keyframes scroll-tags {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 0.5rem)); }
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translate(-50%, 0);}
    40% {transform: translate(-50%, -10px);}
    60% {transform: translate(-50%, -5px);}
}

/* Sobre Mim */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.25rem;
    font-size: 1rem;
    color: var(--text-muted);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.stat-card {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Projetos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.project-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-name {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.project-techs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    margin-top: auto;
}

.project-techs span {
    font-size: 0.7rem;
    background: #eff6ff;
    color: var(--primary-color);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
}

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

.link-icon {
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Tecnologias */
.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.tech-category {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.tech-category h3 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--primary-color);
}

.tech-list li {
    margin-bottom: 0.6rem;
    padding-left: 1.25rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.tech-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Contato */
.contact-wrapper {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.contact-item i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

/* Footer */
footer {
    padding: 1.5rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-light);
}

/* MEDIA QUERIES - RESPONSIVIDADE */

@media (max-width: 992px) {
    .headline { font-size: 2.2rem; }
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .about-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Escondido por padrão no mobile */
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-white);
        padding: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
        gap: 1rem;
        text-align: center;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .section { padding: 3rem 0; }
    .headline { font-size: 1.8rem; }
    .subheadline { font-size: 1rem; }
    .section-title { font-size: 1.6rem; }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn { width: 100%; }
    
    .about-stats { grid-template-columns: 1fr; }
    
    .hero-tags-container {
        mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
        -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    }
}

@media (max-width: 480px) {
    .headline { font-size: 1.6rem; }
    .container { padding: 0 1rem; }
    .logo { font-size: 1rem; }
    .contact-item span {
        font-size: 0.8rem;
        word-break: break-all;
    }
}