/* =========================================
   VARIÁVEIS GLOBAIS (CORES E TEMAS)
   ========================================= */
:root {
    --color-1: #000000; 
    --color-2: #162651; 
    --color-3: #2F3B69; 
    --color-4: #3E829A; 
    --color-5: #43758A; 
    --color-6: #E3DDDC; 
    --color-7: #ECF3FB; 
    --color-8: #FAFAFF; 

    --bg-color: var(--color-8);
    --text-color: var(--color-2);
    --text-muted: var(--color-3);
    --nav-bg: rgba(250, 250, 255, 0.95); 
    --card-bg: var(--color-7);
    --accent-color: var(--color-4); 
    --accent-hover: var(--color-5);
    --btn-text: var(--color-8);
    --shadow-color: rgba(22, 38, 81, 0.1);
}

body.dark-mode {
    --bg-color: var(--color-1);
    --text-color: var(--color-7);
    --text-muted: var(--color-6);
    --nav-bg: rgba(0, 0, 0, 0.95);
    --card-bg: var(--color-2);
    --accent-color: var(--color-4);
    --accent-hover: var(--color-5);
    --btn-text: var(--color-8);
    --shadow-color: rgba(0, 0, 0, 0.5);
}

/* =========================================
   ESTILOS BASE E PROTEÇÕES GLOBAIS
   ========================================= */
*, *::before, *::after { 
    box-sizing: border-box !important; 
}

html, body { 
    width: 100%; max-width: 100%; 
    overflow-x: hidden !important; 
    margin: 0; padding: 0;
    scroll-behavior: smooth; 
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.4s ease, color 0.4s ease;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; transition: color 0.3s; }
h1, h2, h3 { color: var(--accent-color); font-weight: 700; }
p { color: var(--text-muted); }

.page-content { flex: 1; width: 100%; max-width: 100%; }

section { 
    padding: 100px 20px 60px; 
    max-width: 1100px; 
    margin: 0 auto; 
    text-align: center; 
    width: 100%;
}

/* =========================================
   NAVEGAÇÃO (MENU)
   ========================================= */
nav {
    position: fixed; top: 0; left: 0; width: 100%;
    background-color: var(--nav-bg); padding: 15px 40px; 
    display: flex; align-items: center; justify-content: center; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); z-index: 1000; min-height: 60px; 
}
.nav-logo { position: absolute; left: 40px; }
.nav-logo img { height: 40px; display: block; transition: transform 0.2s; }
.nav-logo img:hover { transform: scale(1.05); }
.nav-links { display: flex; align-items: center; }
.nav-links a { margin: 0 15px; font-weight: bold; font-size: 14px; text-decoration: none; color: var(--text-color); transition: color 0.2s; }
.nav-links a:hover { color: var(--accent-color); }
.nav-links a.nav-cta { background-color: var(--accent-color); color: var(--btn-text) !important; padding: 8px 20px; border-radius: 25px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.nav-links a.nav-cta:hover { background-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 15px rgba(0,0,0,0.15); color: var(--btn-text) !important; }
.menu-icon { display: none; font-size: 30px; cursor: pointer; color: var(--text-color); position: absolute; right: 20px; top: 50%; transform: translateY(-50%);}

/* Estilos específicos para o botão secundário do menu (Pitch Deck)*/

.nav-links a.nav-cta-secondary {
    background-color: transparent;
    color: var(--accent-color) !important;
    border: 2px solid var(--accent-color);
    padding: 6px 18px; /* Ligeiramente menor para não ofuscar o CTA principal */
    border-radius: 25px;
    box-shadow: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nav-links a.nav-cta-secondary:hover {
    background-color: var(--accent-color);
    color: var(--btn-text) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

body.dark-mode .nav-links a.nav-cta-secondary {
    color: var(--color-8) !important;
    border-color: var(--color-8);
}

body.dark-mode .nav-links a.nav-cta-secondary:hover {
    background-color: var(--color-8);
    color: var(--bg-color) !important;
}


/* =========================================
   HERO E PÁGINA INICIAL
   ========================================= */
#home { height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; background: linear-gradient(rgba(22, 38, 81, 0.6), rgba(0, 0, 0, 0.3)), url('Imagens/fundo3.png') no-repeat center center/cover; color: var(--color-8); text-align: center; padding: 0 20px; width: 100%; }
#home h1 { color: var(--color-8); font-size: 3.5em; margin-bottom: 10px; text-shadow: 2px 2px 8px rgba(0,0,0,0.5); }
#home p { color: var(--color-7); font-size: 1.2em; font-weight: 300; }
.hero-btn { display: inline-flex; align-items: center; gap: 10px; margin-top: 30px; padding: 15px 35px; background-color: var(--accent-color); color: var(--btn-text) !important; border: 2px solid transparent; text-decoration: none; border-radius: 30px; font-weight: 700; font-size: 16px; transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
.hero-btn:hover { background-color: var(--accent-hover); transform: scale(1.05); box-shadow: 0 6px 20px rgba(0,0,0,0.4); }

.subtitle { text-align: center; max-width: 700px; margin: 0 auto 40px auto; font-size: 1.1em; color: var(--text-muted); }

/* The Challenge / Solution - FLIP CARDS */
.ps-container { display: flex; gap: 30px; justify-content: center; flex-wrap: wrap; margin-bottom: 50px; }

.ps-card {
    background-color: transparent;
    flex: 1; 
    min-width: 250px; 
    max-width: 480px;
    min-height: 280px; /* Altura mínima necessária para o cartão ter espaço para rodar */
    perspective: 1000px; /* Cria o efeito de profundidade 3D */
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

/* Efeito Hover apenas em dispositivos com Rato (PC) */
@media (hover: hover) {
    .ps-card:hover .flip-card-inner {
        transform: rotateY(180deg);
    }
}

/* Efeito de clique no Telemóvel (Classe alternada via JavaScript no HTML) */
.ps-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden; /* Suporte para o Safari não piscar */
    backface-visibility: hidden;
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: 0 8px 15px var(--shadow-color);
    border-top: 5px solid var(--accent-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Estilos da Frente (O Título) */
.flip-card-front {
    align-items: center; /* Centra o título horizontalmente no cartão */
}
.flip-card-front h2 { margin: 0; font-size: 1.8em; display: flex; flex-direction: column; align-items: center; gap: 15px; color: var(--accent-color); text-align: center; }
.flip-card-front h2 i { font-size: 1.6em; color: var(--text-color); }

/* Estilos das Costas (O Texto) */
.flip-card-back {
    transform: rotateY(180deg); /* Começa logo virado ao contrário */
    align-items: flex-start;
}
.flip-card-back p { font-size: 1.05em; line-height: 1.7; color: var(--text-muted); margin: 0; text-align: center; }

.mission-banner { max-width: 900px; margin: 20px auto 80px auto; background: linear-gradient(135deg, var(--color-2) 0%, var(--color-4) 100%); padding: 40px 60px; border-radius: 16px; text-align: center; box-shadow: 0 15px 30px var(--shadow-color); position: relative; overflow: hidden; }
.mission-banner::before { content: "“"; position: absolute; top: -20px; left: 20px; font-size: 150px; color: rgba(255, 255, 255, 0.07); font-family: Georgia, serif; line-height: 1; }
.mission-banner h3 { margin-top: 0; margin-bottom: 15px; color: var(--color-7); font-size: 1.4em; letter-spacing: 2px; position: relative; z-index: 1; }
.mission-banner p { margin-bottom: 0; font-size: 1.3em; font-style: italic; font-weight: 500; color: var(--color-8); line-height: 1.6; position: relative; z-index: 1; }

/* Aumentar a largura máxima da secção "About" para dar espaço aos cartões */
#about {
    max-width: 1300px;
    margin: 0 auto;
}

.features-block, .beneficiaries-block { margin-bottom: 60px; margin-top: 60px; }
#about .centered-cards { display: flex; justify-content: center; align-items: stretch; flex-wrap: nowrap; gap: 25px; }
#about .centered-cards .card { flex: 1; max-width: 400px; min-width: 0; }

/* How It Works */
.how-it-works-block { margin: 80px 0; padding: 40px 0; }
.hiw-container { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; margin-top: 50px; }
.hiw-step { flex: 1; min-width: 200px; max-width: 320px; text-align: center; position: relative; }
.hiw-icon { background-color: var(--accent-color); color: var(--btn-text); width: 90px; height: 90px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 35px; margin: 0 auto 25px auto; box-shadow: 0 10px 20px var(--shadow-color); transition: transform 0.3s ease; }
.hiw-step:hover .hiw-icon { transform: translateY(-10px); background-color: var(--accent-hover); }
.hiw-step h3 { color: var(--text-color); margin-bottom: 15px; font-size: 1.3em; }
.hiw-step p { font-size: 1.05em; }

/* Mockups */
.mockup-section { margin: 80px 0; padding: 40px 0; }
.mockup-item { display: flex; align-items: center; justify-content: space-between; gap: 50px; margin: 60px auto; max-width: 1000px; text-align: left; }
.mockup-item:nth-child(even) { flex-direction: row-reverse; }
.mockup-text { flex: 1; min-width: 250px; }
.mockup-text h2 { font-size: 1.8em; margin-top: 0; margin-bottom: 15px; color: var(--accent-color); text-align: justify; }
.mockup-text h3 { color: var(--text-color); font-weight: 400; font-size: 1.2em; margin-bottom: 25px; }
.mockup-text p { font-size: 1.05em; margin-bottom: 20px; line-height: 1.8; text-align: justify; }
.mockup-text ul { list-style: none; padding: 0; margin-bottom: 30px; }
.mockup-text li { margin-bottom: 15px; font-size: 1.05em; color: var(--text-muted); }
.mockup-text li i { color: var(--accent-color); margin-right: 10px; font-size: 1.2em; }
.mockup-image { flex: 1; min-width: 250px; }
.mockup-image img { width: 100%; border-radius: 16px; box-shadow: 0 20px 40px var(--shadow-color); transition: transform 0.4s ease; }
.mockup-image img:hover { transform: perspective(1000px) rotateY(-5deg) scale(1.03); }

.hardware-title { white-space: nowrap; }

/* =========================================
   SISTEMA DE GRELHA UNIVERSAL (A "MAGIA" DO BLOG)
   ========================================= */
.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; }
.card { background-color: var(--card-bg); padding: 30px 20px; border-radius: 12px; box-shadow: 0 8px 15px var(--shadow-color); transition: transform 0.3s ease; }
.card:hover { transform: translateY(-8px); box-shadow: 0 12px 20px var(--shadow-color); }
.card img { max-width: 100%; border-radius: 8px; }

/* Equipa e Parceiros */
#team { max-width: 1600px; }
#team .card { padding: 30px 10px; }
#team .grid-container { grid-template-columns: repeat(6, 1fr); gap: 15px; }
#team .card img { width: 130px; height: 130px; object-fit: cover; display: block; margin: 0 auto 20px auto; border-radius: 50%; border: 4px solid var(--accent-color); }
#partners .card img { width: 100%; height: 120px; object-fit: contain; margin-bottom: 20px; display: block; }
body.dark-mode #partners .card img { background-color: var(--color-8); padding: 15px; border-radius: 8px; }

/* =========================================
   ESTILOS DA PÁGINA "PRODUCT"
   ========================================= */
.product-section { padding: 140px 20px 60px; max-width: 1200px; margin: 0 auto; text-align: left; width: 100%; }
.section-block { margin-top: 100px; }
.section-block h2 { text-align: center; font-size: 2em; margin-bottom: 40px; }

.product-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 50px; align-items: center; width: 100%; }
.product-image img { width: 100%; border-radius: 12px; box-shadow: 0 10px 30px var(--shadow-color); transition: transform 0.3s ease; }
.product-image img:hover { transform: scale(1.02); }

.product-info h1 { color: var(--accent-color); font-weight: 700; font-size: 2.5em; margin-top: 0; margin-bottom: 10px; }
.product-info h2 { color: var(--text-color); font-weight: 400; font-size: 1.2em; margin-top: 0; margin-bottom: 30px; border-bottom: 2px solid var(--accent-color); padding-bottom: 15px; display: inline-block; }
.product-info p { color: var(--text-muted); font-size: 1.1em; margin-bottom: 20px; line-height: 1.8; }
.product-features { list-style: none; padding: 0; margin-bottom: 40px; }
.product-features li { color: var(--text-muted); font-size: 1.1em; margin-bottom: 15px; display: flex; align-items: center; gap: 15px; }
.product-features li i { color: var(--accent-color); font-size: 1.3em; }

/* Tabela do Produto */
.table-wrapper { width: 100%; max-width: 100%; }
.table-scroll { width: 100%; border-radius: 12px; box-shadow: 0 5px 15px var(--shadow-color); background: var(--card-bg); overflow: hidden; }
.responsive-table { width: 100%; min-width: 600px; border-collapse: collapse; text-align: center; }
.responsive-table th { padding: 20px; background-color: var(--accent-color); color: var(--color-8); }
.responsive-table td { padding: 20px; color: var(--text-color); border-bottom: 1px solid var(--color-6); }
.responsive-table tr:last-child td { border-bottom: none; }

/* =========================================
   BLOG (MODAIS)
   ========================================= */
#blog { padding: 120px 20px 60px; max-width: 1100px; text-align: center; }
#blog .card { cursor: pointer; }
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.85); z-index: 2000; justify-content: center; align-items: center; backdrop-filter: blur(4px); }
.modal-content { background-color: var(--bg-color); padding: 40px; border-radius: 12px; max-width: 1000px; width: 90vw; max-height: 85vh; overflow-y: auto; position: relative; text-align: justify; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.modal-image { width: 100%; max-height: 450px; object-fit: cover; border-radius: 10px; margin: 20px 0; box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.close-btn { position: absolute; top: 15px; right: 25px; font-size: 28px; font-weight: bold; cursor: pointer; color: var(--text-muted); transition: color 0.3s; }
.close-btn:hover { color: var(--accent-color); }

/* =========================================
   BOTÕES E FORMULÁRIO (GERAL E CORREÇÃO BETA TESTER)
   ========================================= */
.social-links { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 15px; }

/* Adicionado border: 2px solid transparent à base dos botões para alinhar tudo perfeitamente */
.social-btn, button { 
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; 
    padding: 12px 24px; background-color: var(--accent-color); color: var(--btn-text) !important; 
    border: 2px solid transparent; border-radius: 30px; font-weight: 600; font-size: 14px; 
    cursor: pointer; transition: all 0.3s ease; text-decoration: none; 
}
.social-btn:hover, button:hover { background-color: var(--accent-hover); transform: scale(1.05); }

/* Correção do Botão Secundário para manter a estabilidade no PC e Mobile */
.product-buttons { display: flex; gap: 15px; flex-wrap: wrap; margin-top: 30px; }
.secondary-btn { background-color: transparent !important; border: 2px solid var(--accent-color) !important; color: var(--text-color) !important; }
.secondary-btn:hover { background-color: var(--accent-color) !important; color: var(--color-8) !important; }

.linkedin-btn { background-color: #0077b5 !important; }
.linkedin-btn:hover { background-color: #005885 !important; }

form { display: flex; flex-direction: column; gap: 20px; max-width: 550px; margin: 40px auto 0; text-align: left; width: 100%; }
input, textarea, select { padding: 15px; border: 2px solid var(--color-6); border-radius: 8px; background-color: transparent; color: var(--text-color); font-family: 'Montserrat', sans-serif; font-size: 14px; transition: border-color 0.3s; width: 100%; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent-color); }

#scrollTopBtn { display: none; position: fixed; bottom: 30px; right: 30px; z-index: 1000; background-color: var(--accent-color); color: var(--btn-text) !important; border: none; border-radius: 50%; width: 50px; height: 50px; cursor: pointer; justify-content: center; align-items: center; box-shadow: 0 4px 15px rgba(0,0,0,0.3); transition: transform 0.3s; padding: 0;}
#scrollTopBtn:hover { transform: translateY(-5px); }

/* =========================================
   RODAPÉ (FOOTER)
   ========================================= */
footer { background-color: var(--nav-bg); padding: 40px 20px; text-align: center; border-top: 1px solid var(--color-6); margin-top: auto; width: 100%; }
body.dark-mode footer { border-top: 1px solid var(--color-3); }
footer button { margin-top: 20px; background-color: var(--color-3); }

/* =========================================
   MEDIA QUERIES (RESPONSIVIDADE SIMPLIFICADA)
   ========================================= */

/* Forçar os 4 cartões na mesma linha e otimizar o espaço em ecrãs PC */
@media (min-width: 901px) {
    .beneficiaries-block .grid-container {
        display: flex !important;
        justify-content: center !important;
        align-items: stretch !important;
        flex-wrap: nowrap !important; /* Proíbe de passar para a linha de baixo */
        gap: 15px !important;
    }
    
    .beneficiaries-block .grid-container .card {
        flex: 1 1 0 !important; /* Força os 4 cartões a terem exatamente a mesma largura */
        min-width: 0 !important; 
        padding: 30px 10px !important;
    }

    .beneficiaries-block .grid-container .card h3 {
        font-size: 1em !important; /* Tamanho ajustado para caber */
        white-space: nowrap !important; /* Força o título a ficar numa única linha */
        letter-spacing: -0.3px !important; /* Junta as letras um pentelho para o "CLUBS & ASSOCIATIONS" caber perfeitamente */
    }
}

@media (max-width: 900px) { 
    #about .grid-container { grid-template-columns: repeat(2, 1fr); } 
    #home h1 { font-size: 2.5em; } 
    .hardware-title { white-space: normal; font-size: 1.6em; }
}

@media (max-width: 800px) { 
    #team .grid-container { grid-template-columns: repeat(2, 1fr); } 
    #about .centered-cards { flex-wrap: wrap; } 
    #about .centered-cards .card { flex: 1 1 100%; max-width: 100%; }
    .mockup-item, .mockup-item:nth-child(even) { flex-direction: column !important; text-align: center; }
    .mockup-text p { text-align: center; }
    .mockup-text ul li { justify-content: center; }
}

@media (max-width: 768px) {
    /* Menu e Topos */
    .menu-icon { display: block; }
    nav { padding: 15px 20px; }
    .nav-logo { left: 20px; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; width: 100%; background-color: var(--nav-bg); padding: 20px 0; box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
    .nav-links.active { display: flex; }
    .nav-links a { margin: 10px 0; font-size: 18px; }
    #scrollTopBtn { bottom: 20px; right: 20px; width: 45px; height: 45px; font-size: 16px; }
    .mission-banner { padding: 30px 25px; margin: 20px 20px 60px 20px; } 

    /* Adaptações da grelha de Produto para Mobile */
    .product-container { grid-template-columns: 1fr; gap: 30px; }
    .product-info h1, .product-info h2 { text-align: left; }
    .product-info p { text-align: justify; }
    .product-features li { justify-content: flex-start; }
    
    .tech-specs-card { text-align: center; }
    .section-block { margin-top: 60px; }
    
    /* Botões a ocupar a largura toda perfeitamente alinhados */
    .product-buttons { flex-direction: column !important; width: 100% !important; margin-top: 20px; gap: 15px !important; }
    .product-buttons a { width: 100% !important; justify-content: center !important; margin: 0 !important; }

    /* Força a tabela a encolher e caber no ecrã partindo o texto se necessário */
    .table-scroll { overflow-x: hidden !important; width: 100% !important; }
    .responsive-table { 
        width: 100% !important; 
        min-width: 100% !important; 
        font-size: 0.75em !important; 
        table-layout: fixed !important; 
        word-wrap: break-word !important; 
    }
    .responsive-table th, .responsive-table td { 
        padding: 12px 5px !important; 
        white-space: normal !important; 
    }

    .modal-content { width: 90vw; padding: 25px; }
}

@media (max-width: 600px) { 
    #about .grid-container { grid-template-columns: 1fr; } 
    nav a { margin: 0 8px; font-size: 12px; } 
}
@media (max-width: 500px) { 
    #team .grid-container { grid-template-columns: 1fr; } 
}

/* =========================================
   COOKIE BANNER
   ========================================= */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--card-bg);
    padding: 20px 40px;
    display: none;
    justify-content: space-between;
    align-items: center;
    z-index: 9999; /* Z-index muito alto para ficar sempre por cima do menu (que tem 1000) */
    box-shadow: 0 -5px 20px var(--shadow-color);
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-banner p {
    margin: 0;
    flex: 1;
    min-width: 250px;
    color: var(--text-muted);
    font-size: 0.95em;
    text-align: left;
}

.cookie-buttons {
    display: flex;
    gap: 15px;
}

/* Estilo específico para o botão de Reject para o diferenciar do botão principal */
.reject-btn {
    background-color: transparent !important;
    border: 2px solid var(--text-muted) !important;
    color: var(--text-muted) !important;
}

.reject-btn:hover {
    background-color: var(--text-muted) !important;
    color: var(--bg-color) !important;
}

/* Ajuste para ecrãs mais pequenos (Telemóveis) */
@media (max-width: 768px) {
    .cookie-banner {
        flex-direction: column;
        padding: 20px;
        text-align: center;
    }
    
    .cookie-banner p {
        text-align: center;
    }

    .cookie-buttons {
        width: 100%;
        justify-content: stretch;
    }
    
    .cookie-buttons button {
        flex: 1;
        justify-content: center;
    }
}