/* ==========================================================================
   ESTILOS GLOBAIS E COMPONENTES (style.css)
   ========================================================================== */

/* --- Configurações Globais e Paleta de Cores --- */
:root {
    --azul-noite: #10182A;
    --azul-marinho: #01257D;
    --ciano-vibrante: #00FFFF;
    --lavanda-suave: #BDB2FF;
    --branco: #FFFFFF;
    --cinza-claro: #E0E0E0;
    --card-bg: #1C253B;
}

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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--cinza-claro);
    line-height: 1.6;
    background: linear-gradient(180deg, var(--azul-noite) 30%, var(--azul-marinho) 100%);
}

/* --- ANIMAÇÕES GLOBAIS --- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Cabeçalho e Navegação --- */
.main-header {
    background-color: transparent; 
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease;
}
.main-header.scrolled {
    background-color: rgba(16, 24, 42, 0.8);
    backdrop-filter: blur(10px);
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--branco);
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease-in-out, color 0.3s ease-in-out;
}
.logo a:hover {
    transform: scale(1.1); 
    color: var(--ciano-vibrante);
}
.logo { opacity: 0; }
.logo.visible { animation: fadeInUp 0.8s ease-out forwards; }
.nav-links { list-style: none; display: flex; align-items: center; }
.nav-links li { 
    margin-left: 2rem;
    opacity: 0; 
}
.nav-links.visible li:nth-child(1) { animation: fadeInUp 0.6s 0.3s ease-out forwards; }
.nav-links.visible li:nth-child(2) { animation: fadeInUp 0.6s 0.4s ease-out forwards; }
.nav-links.visible li:nth-child(3) { animation: fadeInUp 0.6s 0.5s ease-out forwards; }
.nav-links.visible li:nth-child(4) { animation: fadeInUp 0.6s 0.6s ease-out forwards; }
.nav-links.visible li:nth-child(5) { animation: fadeInUp 0.6s 0.7s ease-out forwards; }
.nav-links a { 
    color: var(--cinza-claro); 
    text-decoration: none; 
    font-weight: 500; 
    transition: color 0.3s ease; 
    position: relative;
    padding-bottom: 5px;
}
.nav-links a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--ciano-vibrante);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease-out;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a:hover { color: var(--ciano-vibrante); }
#open-meaning-modal i { font-size: 1.2rem; }

/* --- Estilos do Modal de Significado --- */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(16, 24, 42, 0.9); backdrop-filter: blur(5px); }
.modal-content { background-color: var(--card-bg); margin: 10% auto; padding: 40px; border: 1px solid rgba(189, 178, 255, 0.2); border-radius: 12px; width: 90%; max-width: 600px; position: relative; animation: fadeInScale 0.5s ease-out; }
@keyframes fadeInScale { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.close-modal { color: var(--lavanda-suave); position: absolute; top: 15px; right: 25px; font-size: 28px; font-weight: bold; transition: color 0.3s ease; }
.close-modal:hover, .close-modal:focus { color: var(--branco); text-decoration: none; cursor: pointer; }
.modal-content h2 { color: var(--ciano-vibrante); margin-bottom: 1.5rem; text-align: left; }
.modal-content p { margin-bottom: 1.5rem; font-weight: 300; }
.meaning-item { margin-bottom: 1.5rem; border-left: 3px solid var(--ciano-vibrante); padding-left: 1.5rem; }
.meaning-item h3 { font-size: 1.2rem; font-weight: 500; color: var(--branco); margin-bottom: 0.5rem; }


/* --- Componentes Globais (Botões e Títulos) --- */
.cta-button { 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
    gap: 0.8rem; 
    background-color: var(--ciano-vibrante); 
    color: var(--azul-noite); 
    padding: 1rem 2.5rem; 
    text-decoration: none; 
    font-size: 1.1rem; 
    font-weight: 700; 
    border-radius: 50px; 
    transition: transform 0.3s ease, box-shadow 0.3s ease; 
    border: none;
    cursor: pointer;
}
.cta-button:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 10px 25px rgba(0, 255, 255, 0.25); 
}
.cta-button:active {
    transform: translateY(-2px) scale(0.98);
    box-shadow: 0 4px 10px rgba(0, 255, 255, 0.2);
}
.cta-button i { font-size: 1.2rem; }

/* --- Seções Padrão --- */
.services-section, .about-section, .projects-section, .diferenciais-section, .philosophy-section {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 6rem auto 0;
}
h2 { 
    font-size: 2.5rem; 
    font-weight: 700; 
    color: var(--branco); 
    margin-bottom: 3rem; 
    text-align: center; 
}
.section-subtitle { 
    display: block; 
    font-weight: 500; 
    color: var(--ciano-vibrante); 
    margin-bottom: 0.5rem; 
}
@media (max-width: 768px) {
    h2 { font-size: 2rem !important; }
}


/* --- Estrutura de Cards (Estilos base) --- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.service-card { background-color: var(--card-bg); padding: 2.5rem 2rem; border-radius: 12px; text-align: left; border: 1px solid rgba(189, 178, 255, 0.2); transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease; text-decoration: none; color: inherit; }
.service-card:hover { transform: translateY(-10px); border-color: var(--lavanda-suave); box-shadow: 0 15px 30px rgba(0,0,0,0.2); }
.service-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.service-card h3 { font-size: 1.5rem; font-weight: 500; color: var(--branco); margin-bottom: 0.5rem; }
.service-card p { font-weight: 300; }

/* --- Seção de Filosofia --- */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}
.philosophy-card {
    background-color: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(189, 178, 255, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.philosophy-card:hover {
    transform: translateY(-5px);
    border-color: var(--ciano-vibrante);
}
.philosophy-icon {
    font-size: 2.5rem;
    color: var(--ciano-vibrante);
    margin-bottom: 1.5rem;
}
.philosophy-card h3 {
    font-size: 1.4rem;
    color: var(--branco);
    margin-bottom: 1rem;
    line-height: 1.3;
}
.philosophy-card p {
    font-weight: 300;
    font-size: 0.95rem;
}

/* --- Menu Dropdown --- */
.nav-links .dropdown { position: relative; }
.dropdown a { display: flex; align-items: center; }
.dropdown-menu {
    display: none; 
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--card-bg);
    border: 1px solid rgba(189, 178, 255, 0.2);
    border-radius: 8px;
    padding: 0.5rem 0;
    list-style: none;
    min-width: 260px;
    z-index: 1001;
    opacity: 0;
    transform: translateY(10px);
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}
.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}
.dropdown-menu li {
    transition: background-color 0.2s ease-in-out;
    margin: 0;
    padding: 0;
}
.dropdown-menu li:hover { background-color: var(--azul-noite); }
.dropdown-menu li a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: var(--cinza-claro);
    font-weight: 400;
    transition: color 0.2s ease-in-out;
    text-decoration: none;
    width: 100%; 
    box-sizing: border-box;
}
.dropdown-menu li:hover a { color: var(--ciano-vibrante); }


/* --- Menu Hambúrguer e Responsividade --- */
#hamburger-btn {
    display: none;
    background: none;
    border: none;
    color: var(--branco);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10000;
    padding: 0.5rem;
    position: relative;
}
@media (max-width: 768px) {
    #hamburger-btn { display: block; }
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: var(--azul-noite);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        z-index: 9999;
        list-style: none;
        margin: 0;
        padding: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
    }
    .nav-links.active { transform: translateX(0); }
    .nav-links.visible li, .nav-links li { animation: none; opacity: 1; }
    .nav-links li { margin: 0; margin-bottom: 1rem; list-style: none; width: 85%; text-align: center; }
    .nav-links > li > a { font-size: 1.5rem; font-weight: 500; color: var(--branco); text-decoration: none; padding: 1rem 2rem; display: block; text-align: center; border-radius: 8px; transition: background-color 0.3s ease; }
    .nav-links > li > a::after { display: none; }
    .nav-links > li > a:hover { background-color: var(--card-bg); color: var(--ciano-vibrante); }
    .dropdown { width: 100%; text-align: center; }
    .dropdown:hover .dropdown-menu { display: none; }
    .dropdown-menu {
        position: static;
        display: none;
        background-color: transparent;
        border: none;
        width: 100%;
        margin: 0.5rem auto 0;
        padding: 0;
        list-style: none;
        box-shadow: none;
    }
    .dropdown.open .dropdown-menu { display: block; animation: slideDown 0.3s ease-out; }
    @keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
    .dropdown-menu li { margin: 0; padding: 0; width: 100%; }
    .dropdown-menu li a { font-size: 1rem; font-weight: 400; color: var(--lavanda-suave); padding: 0.8rem 1rem; display: block; text-decoration: none; transition: all 0.2s ease; text-align: center; border-radius: 8px; width: 100%; box-sizing: border-box; margin: 0 auto; }
    .dropdown-menu li:hover { background-color: transparent; }
    .dropdown-menu li a:hover { background-color: var(--card-bg); color: var(--ciano-vibrante); }
}

/* --- EFEITO DE ANIMAÇÃO NO SCROLL --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1.2s ease-out, transform 1.2s ease-out;
    will-change: opacity, transform; 
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}
.services-grid .service-card.animate-on-scroll:nth-child(2),
.philosophy-grid .philosophy-card.animate-on-scroll:nth-child(2) {
    transition-delay: 0.2s;
}
.services-grid .service-card.animate-on-scroll:nth-child(3),
.philosophy-grid .philosophy-card.animate-on-scroll:nth-child(3) {
    transition-delay: 0.4s;
}

/* --- Ícone Flutuante do WhatsApp --- */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 100;
    color: #25D366;
    font-size: 50px;
    text-shadow: 1px 1px 8px rgba(0, 0, 0, 0.4);
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease, transform 0.3s ease;
}
.whatsapp-float.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.whatsapp-float:hover { transform: scale(1.15); }
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        font-size: 45px;
    }
}