/* --- Reset Básico e Variáveis de Cor --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border;
}

html {
    scroll-behavior: smooth;
}

:root {
    --bg-light: #FFFFFF;
    --text-light: #090909;
    --primary-color: #5407A3;
    --dark-bg: #090909;
    --text-dark: #FFFFFF;
    --card-dark: #1a1a1a;
    --section-spacing: 2rem; /* Espaçamento original entre seções, revertido */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-light);
    transition: background-color 0.3s, color 0.3s;
    position: relative; /* Necessário para pseudo-elementos fixos */
    overflow-x: hidden; /* Evita barra de rolagem horizontal se a pulsação for muito grande */
}

/* --- Estilos do Modo Dark --- */
body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--text-dark);
}

/* Animação de pulsação de fundo (apenas um ponto, sutil) */
@keyframes subtle-pulse {
    0% {
        transform: scale(1);
        opacity: 0.03; /* Opacidade inicial bem baixa */
    }
    50% {
        transform: scale(1.1); /* Um pouco maior */
        opacity: 0.08; /* Mais visível no pico */
    }
    100% {
        transform: scale(1);
        opacity: 0.03; /* Volta à opacidade inicial */
    }
}

body::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 150vw; /* Grande o suficiente para cobrir a tela */
    height: 150vh; /* Grande o suficiente para cobrir a tela */
    border-radius: 50%;
    background-color: #5407A3; /* Cor primária */
    z-index: -1; /* Fica atrás do conteúdo */
    pointer-events: none; /* Não interfere com cliques */
    transform: translate(-50%, -50%) scale(1);
    animation: subtle-pulse 25s ease-in-out infinite; /* Animação lenta e suave */
}


.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

@keyframes hero-button-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.fade-in { animation: fadeIn 0.8s ease-out forwards; }
.fade-in-delay-1 { animation: fadeIn 0.8s 0.2s ease-out forwards; opacity: 0; }
.fade-in-delay-2 { animation: fadeIn 0.8s 0.4s ease-out forwards; opacity: 0; }
.fade-in-delay-3 { animation: fadeIn 0.8s 0.6s ease-out forwards; opacity: 0; }

section {
    padding: 4rem 0; /* Revertido para o valor original */
    margin-bottom: 5rem; /* Aumentado o espaçamento entre as seções */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Botão Dark Mode --- */
#dark-mode-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: var(--text-dark);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1001;
    overflow: hidden;
    transition: background-color 0.3s;
}
#dark-mode-toggle i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.4s ease, opacity 0.4s ease;
}
#dark-mode-toggle .fa-sun {
    transform: translate(-50%, 100%);
    opacity: 0;
}
body.dark-mode #dark-mode-toggle .fa-moon {
    transform: translate(-50%, -100%);
    opacity: 0;
}
body.dark-mode #dark-mode-toggle .fa-sun {
    transform: translate(-50%, -50%);
    opacity: 1;
}

/* --- Cabeçalho --- */
header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: background 0.3s, box-shadow 0.3s;
}
header.scrolled {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
body.dark-mode header {
    background: rgba(9, 9, 9, 0.8);
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
}
.logo span {
    color: var(--text-light);
    transition: color 0.3s ease;
}

nav ul {
    display: flex;
    list-style: none;
}
nav a {
    text-decoration: none;
    color: var(--text-light);
    padding: 0 1.5rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}
body.dark-mode nav a {
    color: var(--text-dark);
}
body.dark-mode .logo span {
    color: var(--text-dark);
}
nav a:hover {
    color: var(--primary-color);
}
nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s;
}
nav a:hover::after {
    width: 50%;
}

/* --- Seção Hero --- */
#hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding-top: 70px;
}
.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}
.hero-text p {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 2rem;
}
.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
    opacity: 0;
    animation: 
        fadeIn 0.8s 0.4s ease-out forwards,
        hero-button-pulse 2.5s 1.2s infinite ease-in-out;
}
.cta-button:hover {
    animation-play-state: paused, paused;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(84, 7, 163, 0.3);
}
.hero-image img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    box-shadow: 0 0 30px rgba(84, 7, 163, 0.4);
}

/* --- Seções Genéricas --- */
h2 {
    font-size: 2.5rem; /* Revertido para o valor original */
    text-align: center;
    margin-bottom: 4rem; /* Revertido para o valor original */
    position: relative;
    /* padding-bottom: 1.5rem; Revertido, não necessário com margem original */
}
h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    bottom: -15px; /* Revertido para o valor original */
    left: 50%;
    transform: translateX(-50%);
}

/* --- Sobre --- */
.sobre-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
}
.sobre-content p {
    margin-bottom: 1.5rem;
}

/* --- Serviços --- */
.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.servico-card {
    background: var(--bg-light);
    padding: 2.5rem;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}
.servico-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
body.dark-mode .servico-card {
    background-color: var(--card-dark);
}
.servico-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}
.servico-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* --- Projetos --- */
.projetos-grid {
    display: grid;
    gap: 2rem;
}
.projeto-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}
.projeto-card:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}
.projeto-card:nth-child(even) .projeto-imagem {
    order: 2;
}
.projeto-card:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
body.dark-mode .projeto-card {
    background-color: var(--card-dark);
}
.projeto-imagem img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}
.projeto-card:hover .projeto-imagem img {
    transform: scale(1.05);
}
.projeto-info {
    padding: 2rem;
    line-height: 1.6;
}
.projeto-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.projeto-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.projeto-tags span {
    background: #5407A3;
    color: #F3F4F6;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}
body.dark-mode .projeto-tags span {
    background: #333;
    color: #eee;
}
.projeto-links {
  margin-top: 1.5rem; 
}
.projeto-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}
.projeto-links a i {
    margin-left: 0.5rem;
}

/* --- Habilidades --- */
.habilidades-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}
.habilidade {
    background: var(--bg-light);
    color: var(--text-light);
    padding: 1rem 1.5rem;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.3s, color 0.3s;
}
.habilidade:hover {
    transform: translateY(-5px);
    color: var(--primary-color);
}
body.dark-mode .habilidade {
    background-color: var(--card-dark);
    color: var(--text-dark);
}
.habilidade i {
    color: var(--primary-color);
}

/* --- Rodapé --- */
footer {
    background: var(--dark-bg);
    color: var(--text-dark);
    text-align: center;
    padding: 4rem 2rem;
    margin-top: var(--section-spacing);
}
footer h2 {
    color: var(--text-dark);
}
.social-links {
    margin: 2rem 0;
}
.social-links a {
    color: white;
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.3s;
}
.social-links a:hover {
    color: var(--primary-color);
}
.copyright .fa-heart {
    color: #e74c3c;
}
.copyright .fa-coffee {
    color: #f1c40f;
}

/* --- Botão WhatsApp Flutuante --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 100;
    animation: pulse 2s infinite;
    cursor: pointer;
}
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* --- Modal WhatsApp --- */
#whatsapp-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1002;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
#whatsapp-modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}
.whatsapp-modal-content {
    background: var(--bg-light);
    color: var(--text-light);
    padding: 2.5rem;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.4s ease;
}
#whatsapp-modal-overlay.visible .whatsapp-modal-content {
    transform: scale(1);
}
body.dark-mode .whatsapp-modal-content {
    background-color: var(--card-dark);
    color: var(--text-dark);
}
.modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s;
}
.modal-close-btn:hover {
    color: var(--primary-color);
}
.modal-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.whatsapp-modal-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}
.whatsapp-modal-content p {
    margin-bottom: 2rem;
    line-height: 1.6;
}
.modal-cta-button {
    background: #25D366;
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: transform 0.3s, box-shadow 0.3s;
}
.modal-cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

/* Removido o código da animação pulse-bg e pseudo-elementos body::before/after */

/* --- Responsividade --- */
@media (max-width: 992px) {
    #hero {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 120px; /* Mais espaço para o header fixo */
        padding-bottom: 4rem;
        min-height: auto;
    }
    .hero-text {
        margin-top: 3rem; /* Aumenta o espaço da imagem para o texto */
    }
    .hero-text h1 {
        font-size: 2.8rem;
    }
    .hero-image img {
        width: 280px;
        height: 280px;
    }
    .projeto-card, .projeto-card:nth-child(even) {
        grid-template-columns: 1fr;
    }
    .projeto-card:nth-child(even) .projeto-imagem {
        order: 0; /* Reseta a ordem da imagem */
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem; /* Menos padding lateral no mobile */
    }
    
    section {
        padding: 4rem 0; /* Menos padding vertical nas seções */
        margin-bottom: 3rem; /* Ajustado para mobile */
    }

    h2 { 
        font-size: 2rem; 
        margin-bottom: 3rem; /* Menos margem abaixo do título da seção */
    }

    header nav { 
        display: none; /* Esconde a navegação (ideal para um futuro menu hamburguer) */
    }

    .hero-text h1 {
        font-size: 2.2rem; /* Título principal menor */
    }

    .hero-text p {
        font-size: 1rem; /* Parágrafo do hero menor */
    }

    .hero-image img {
        width: 220px; /* Imagem de perfil menor */
        height: 220px;
    }
    
    .servico-card {
        padding: 2rem 1.5rem; /* Menos padding nos cards de serviço */
    }

    .projeto-info {
        padding: 1.5rem; /* Menos padding nas informações do projeto */
    }

    .projeto-info h3 {
        font-size: 1.5rem; /* Título do projeto menor */
    }

    .habilidades-grid {
        gap: 1rem; /* Menor espaçamento entre as habilidades */
    }

    .habilidade {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }

    footer {
        padding: 3rem 1rem; /* Menos padding no rodapé */
    }

    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 1.8rem;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-modal-content h3 {
        font-size: 1.5rem;
    }
}