/* ============================================
   RESET E VARIÁVEIS GLOBAIS - TEMA PREMIUM
   ============================================ */

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

:root {
    /* Cores Primárias */
    --primary-color: #003366;
    --primary-dark: #002244;
    --secondary-color: #00509d;
    --accent-color: #ff9900;
    --accent-dark: #e68a00;

    /* Cores de Fundo */
    --bg-main: #ffffff;
    --bg-alt: #f4f7f6;
    --bg-dark: #003366;

    /* Cores de Texto */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #ffffff;

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);

    /* Tipografia */
    --font-title: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transições */
    --transition: all 0.3s ease-in-out;
}

/* ============================================
   ESTILOS GLOBAIS
   ============================================ */

html, body {
    height: 100%;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--bg-main);
    line-height: 1.6;
    padding-top: calc(70px + env(safe-area-inset-top, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

button {
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    transition: var(--transition);
}

/* ============================================
   HEADER & NAV - PREMIUM GLASS
   ============================================ */

.header {
    background: rgba(0, 51, 102, 0.95);
    backdrop-filter: blur(10px);
    color: var(--text-light);
    height: 70px; /* Altura fixa para evitar linha branca */
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-section {
    display: flex;
    align-items: center;
}

.header-brand {
    display: flex;
    align-items: center;
}

.site-title {
    font-size: 1.6rem;
    font-weight: 800;
    font-family: var(--font-title);
    color: #fff;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, #ddd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-btn i {
    width: 28px;
    height: 28px;
}

.nav-link {
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    position: relative;
    padding: 5px 0;
}

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
    opacity: 1;
}

/* ============================================
   HERO SECTION - PREMIUM 100VH
   ============================================ */

.hero {
    height: calc(100vh - 70px);
    background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.8)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-1.2.1&auto=format&fit=crop&w=1352&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--text-light);
    padding: 0 20px;
    position: relative;
    overflow: hidden;
    margin-top: 0; /* Garante que não haja espaço extra */
}

.hero-title {
    font-family: var(--font-title);
    font-size: clamp(2.1rem, 4vw, 3.6rem);
    margin-bottom: 20px;
    font-weight: 800;
    text-shadow: 0 5px 15px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.2vw, 1.4rem);
    margin-bottom: 28px;
    opacity: 0.95;
    font-weight: 400;
    max-width: 820px;
    line-height: 1.4;
    animation: fadeInUp 1.2s ease-out;
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn {
    background: var(--accent-color);
    color: var(--text-light);
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    box-shadow: 0 10px 30px rgba(255, 153, 0, 0.3);
    animation: fadeInUp 1.4s ease-out;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hero-btn:hover {
    background: var(--accent-dark);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 153, 0, 0.4);
}

.hero-btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: none;
}

.hero-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-3px);
}

/* ============================================
   SEÇÕES & TÍTULOS
   ============================================ */

.services-section {
    padding: 80px 0;
    scroll-margin-top: 90px;
}

.bg-alt-section {
    background-color: var(--bg-alt);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--primary-color);
    font-family: var(--font-title);
    font-weight: 800;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: var(--accent-color);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* ============================================
   SOBRE MIM
   ============================================ */

#aboutContent {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

/* ============================================
   EXPERIÊNCIA PROFISSIONAL
   ============================================ */

.experience-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.experience-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-md);
    border-left: 6px solid var(--primary-color);
    transition: var(--transition);
}

.experience-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.experience-card h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 6px;
    font-weight: 700;
}

.experience-card .company {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 5px;
}

.experience-card .date {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 15px;
}

/* ============================================
   HABILIDADES TÉCNICAS - MENORES E APRESENTÁVEIS
   ============================================ */

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.skill-category-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border-top: 5px solid var(--primary-color);
    transition: var(--transition);
}

.skill-category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-header {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 1.1rem;
    border-bottom: 1px solid #eee;
}

.category-header i {
    width: 22px;
    height: 22px;
    color: var(--secondary-color);
}

.category-body {
    padding: 20px;
}

.skill-list-v2 {
    list-style: none !important;
    padding: 0;
    margin: 0;
}

.skill-item-v2 {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
    list-style-type: none !important;
}

.skill-item-v2:last-child {
    margin-bottom: 0;
}

.skill-check {
    color: var(--accent-color);
    font-weight: 900;
    font-size: 1.1rem;
    line-height: 1;
    margin-top: 2px;
}

.skill-content-v2 h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 3px;
    font-weight: 700;
}

.skill-content-v2 p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ============================================
   PROJETOS & SERVIÇOS - MENORES E APRESENTÁVEIS
   ============================================ */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    max-width: 100%;
    gap: 25px;
}

.service-card-v2 {
    background: #fff;
    border-radius: 15px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-top: 5px solid var(--accent-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition);
}

.service-card-v2:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.card-icon-v2 {
    width: 55px;
    height: 60px;
    margin-bottom: 20px;
    object-fit: contain;
    display: block;
}

.card-title-v2 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-family: var(--font-title);
}

.card-desc-v2 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 25px;
    flex-grow: 1;
    white-space: pre-line; /* respeita quebras de linha do Admin */
}

.card-link-v2 {
    background: var(--accent-color);
    color: #fff;
    padding: 10px 35px;
    border-radius: 30px;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1.2px;
}

.card-link-v2:hover {
    background: var(--accent-dark);
    box-shadow: 0 8px 20px rgba(255, 153, 0, 0.3);
}

/* ============================================
   GRADUAÇÃO & CERTIFICAÇÕES
   ============================================ */

.education-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.education-container.full-width {
    grid-template-columns: 1fr;
}

.education-container.full-width .grad-card {
    max-width: 900px;
    margin: 0 auto;
}

.grad-card, .cert-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px;
    box-shadow: var(--shadow-md);
    border-top: 5px solid var(--primary-color);
}

.grad-card h3, .cert-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
}

.grad-content-box {
    background: var(--accent-color);
    color: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    font-weight: 800;
    font-size: 1.1rem;
    line-height: 1.7;
}

.cert-list {
    list-style: none;
}

.cert-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.cert-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 900;
    font-size: 1.2rem;
}

/* ============================================
   CONTATO
   ============================================ */

.contact-grid-v2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    text-align: center;
    padding: 20px 0;
}

.contact-item-v2 {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.contact-item-v2 i {
    width: 35px;
    height: 35px;
    color: var(--primary-color);
}

.contact-item-v2 i.fa-brands {
    width: auto;
    height: auto;
    font-size: 32px;
}

.contact-item-v2 a, 
.contact-item-v2 p,
.contact-item-v2 span {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.1rem;
    font-family: var(--font-body);
}

.contact-item-v2 a:hover {
    color: var(--accent-color);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--primary-color);
    color: #fff;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.95rem;
    opacity: 0.95;
    font-weight: 600;
}

.back-to-top {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(0, 51, 102, 0.92);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 30px rgba(0,0,0,0.18);
    opacity: 0;
    transform: translateY(6px);
    pointer-events: none;
}

.back-to-top.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    background: rgba(0, 51, 102, 1);
}

@media (max-width: 900px) {
    .hero {
        background-attachment: scroll;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ACESSIBILIDADE */
.a11y-controls { display: flex; gap: 12px; }
.a11y-btn {
    background: rgba(255,255,255,0.15);
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.a11y-btn:hover { background: var(--accent-color); }

body.high-contrast {
    background: #000 !important;
    color: #fff !important;
}

/* WCAG High-Contrast mode (AA/AAA oriented) */
body.high-contrast * {
    text-shadow: none !important;
    box-shadow: none !important;
}

/* Global links and focus */
body.high-contrast a {
    color: #00E5FF !important; /* ciano bem visível sobre preto */
    text-decoration: underline !important;
}
body.high-contrast a:hover { color: #18FFFF !important; }
body.high-contrast :focus-visible {
    outline: 3px dotted #FFD600 !important;
    outline-offset: 3px !important;
}

/* Hero em alto contraste */
body.high-contrast .hero {
    background: #000 !important;
    background-image: none !important;
}

/* Alta acessibilidade: reforça contraste em elementos com cores fixas */
body.high-contrast .header { background: #000 !important; }
body.high-contrast .site-title,
body.high-contrast .nav-link,
body.high-contrast .section-title,
body.high-contrast .hero-title,
body.high-contrast .hero-subtitle,
body.high-contrast .experience-card h3,
body.high-contrast .card-title-v2,
body.high-contrast .card-desc-v2,
body.high-contrast .skill-content-v2 h4,
body.high-contrast .skill-content-v2 p,
body.high-contrast .contact-item-v2 a,
body.high-contrast .contact-item-v2 span,
body.high-contrast .footer-bottom p,
body.high-contrast #aboutContent p,
body.high-contrast #aboutContent strong,
body.high-contrast .experience-card p,
body.high-contrast .experience-card strong,
body.high-contrast .grad-content-box,
body.high-contrast .cert-list li,
body.high-contrast .company,
body.high-contrast .date,
body.high-contrast .skill-check,
body.high-contrast p,
body.high-contrast span,
body.high-contrast li,
body.high-contrast h1,
body.high-contrast h2,
body.high-contrast h3,
body.high-contrast h4 {
    color: #f5f5f5 !important;
}

body.high-contrast strong {
    color: #fff !important;
    font-weight: 700 !important;
}

body.high-contrast .service-card-v2,
body.high-contrast .skill-category-card,
body.high-contrast .experience-card,
body.high-contrast .grad-card,
body.high-contrast .cert-card {
    background: #111 !important;
    border-color: #444 !important;
    border-width: 1px !important;
    border-style: solid !important;
    box-shadow: none !important;
}

body.high-contrast .bg-alt-section {
    background-color: #000 !important;
}

body.high-contrast .card-link-v2,
body.high-contrast .hero-btn {
    color: #000 !important;
    background: var(--accent-color) !important;
    font-weight: 800 !important;
}
body.high-contrast .hero-btn-secondary {
    border-color: #fff !important;
    color: #fff !important;
    background: transparent !important;
}

body.high-contrast .contact-item-v2 i,
body.high-contrast .contact-item-v2 i.fa-brands {
    color: #fff !important;
}

/* Ícones Lucide (SVG) */
body.high-contrast svg {
    stroke: #fff !important;
    color: #fff !important;
}

body.high-contrast .a11y-btn {
    border: 1px solid #f5f5f5 !important;
    background: transparent !important;
    color: #f5f5f5 !important;
}

body.high-contrast .a11y-btn svg {
    stroke: #f5f5f5 !important;
}

body.high-contrast .footer { background: #000 !important; color: #f5f5f5 !important; }
body.high-contrast .footer-bottom p { color: #f5f5f5 !important; opacity: 1 !important; }

/* ============================================
   RESPONSIVIDADE E LIMITES DE COLUNAS
   ============================================ */
@media (min-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   ÍCONES DE HABILIDADES
   ============================================ */
.skill-icon-container {
    width: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.skill-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
}

/* ============================================
   RESPONSIVIDADE DO MENU MOBILE
   ============================================ */
@media (max-width: 992px) {
    body {
        overflow-x: hidden;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        margin-right: 15px; /* Margem à direita para afastar do logo */
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%; /* Invertido: agora vem da esquerda */
        width: 280px;
        height: 100vh;
        background: rgba(0, 51, 102, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.3); /* Sombra invertida */
        z-index: 2000;
        display: flex !important;
        visibility: hidden;
    }

    .nav-menu.active {
        left: 0; /* Abre na esquerda */
        visibility: visible;
    }

    .nav-link {
        font-size: 1.2rem;
        width: 100%;
        text-align: center;
        padding: 15px 0;
    }

    .a11y-controls {
        gap: 8px;
    }

    .education-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .grad-card, .cert-card {
        padding: 25px;
    }
}